| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 200048000 | HIGH-POTENTIAL TYPE | 44 |
| 20080197008 | Electrical Switchgear and Method for Operating an Electrical Switchgear - An electrical switchgear has a first switching point and a second switching point The first switching point is arranged inside an evacuated region. The second switching point is arranged outside the evacuated region. The first switching point is surrounded by the second switching point. For the connection process of the electrical switchgear, the first switching point is switched on before the second switching point, and for the disconnection process, the first switching point is switched off after the second switching point. | 08-21-2008 |
| 20080217153 | Insulating Body For a Medium-Voltage Switchgear Assembly - An insulating element for a medium-voltage switchgear has a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in the insulating element. The insulating element supports a first contact point that is connected to the circuit-breaker and is used as a bearing point for a movable switching contact of a disconnector, and an additional contact point for the movable switching contact. A favorable structure for producing medium-voltage switchgears in general for primary and secondary power supply systems while reducing expenses, the additional contact point is also configured as a bearing point for the movable switching contact, the movable switching contact is alternatively mounted on the additional contact point rather than on the first contact point, and the additional contact point is alternatively connected to the outgoing cable rather than to the terminal at the busbar end. | 09-11-2008 |
| 20080217154 | Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece - A contact assembly for a grounding switch or circuit breaker includes a first and second contact piece. The two contact pieces can be displaced in relation to one another. At least one of the contact pieces is allocated to a limiting element, which restricts a deflection of the contact piece transversely to the displacement path. When closed, the limiting element connects the second contact piece to a support element. | 09-11-2008 |
| 20080257703 | Diverter Switch, a Method for Operating Such a Switch and Use of Such a Switch - The invention relates to a diverter switch with an operating member and an electric circuit. The electric circuit has a main branch ( | 10-23-2008 |
| 20080314724 | High Voltage Switch Configuration - A high-voltage switch configuration having a subdivision housing, which is supported on a frame by an insulating supporting housing, and having a switch which is fitted to this subdivision housing and has an insulator, a switching chamber surrounded by the insulator, and disconnectible contacts which are accommodated in the switching chamber. The switch can be switched via a switching linkage that can be operated by a drive and is arranged within the supporting housing and the subdivision housing. At least three switches are attached to the subdivision housing, and each switch has a separate associated switching linkage with a separate drive. | 12-25-2008 |
| 20090095610 | METHOD AND DEVICE FOR MAINTENANCE OF HIGH-VOLTAGE SWITCHGEAR WITH VOLTAGE - Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device includes screening plates | 04-16-2009 |
| 20090166168 | GROUNDING SWITCH - A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact. | 07-02-2009 |
| 20090194403 | HEAVY-DUTY CIRCUIT BREAKER WITH A HOUSING - A heavy-duty circuit breaker has a housing with a longitudinal housing axis and a contact arrangement disposed in the housing. The contact arrangement is conductively connected to a first electrical lead fed through the housing and a second electrical lead fed through the housing. The housing comprises a first housing part and a second housing part. The first electrical lead is fed through the first housing part, and the second electrical lead through the second housing part. The two housing parts are connected together so as to be rotatable in opposite directions about the longitudinal housing axis. | 08-06-2009 |
| 20090266695 | SWITCH FOR A SWITCHGEAR ASSEMBLY FOR POWER SUPPLY AND DISTRIBUTION - A switch for a switching unit for energy supply and distribution includes a first connection and a second connection, each with a cylindrical bolt. The bolts are axially adjacent one another and spaced apart. An annular sleeve with an inner diameter larger than the diameter of the bolts, is arranged in such a way that it can be axially displaced on the bolt of the first connection, and partially on the bolt of the second connection. At least a first contact element is arranged between the surface of the bolt of the first connection and the inner surface of the annular sleeve. At least a second contact element is arranged and constructed in such a way that it can be positioned between the surface of the bolt of the second connection and the inner surface of the annular sleeve. The switch has an annular third connection, the inner diameter of which is greater than an outer diameter of the annular sleeve, and which is arranged such that the sleeve can be shifted between the bolts of the first connection and the annular third connection. At least a third contact element is arranged and constructed in such a way that it can be positioned between the inner surface of the annular third connection and the outer surface of the annular sleeve. | 10-29-2009 |
| 20100170774 | SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK - A switching pole for a high-voltage network has a switching unit disposed in a switching pole housing. The switching unit includes a fixed contact and a movable contact. An input connector on a fixed contact side is connected to an output connector on the movable contact side in an electrically conductive manner in the switched-on position of the switching unit. In order to be able to simultaneously connect a current sensor and a voltage sensor to one of the connectors while maintaining breakdown safety, an arrangement of the current and voltage sensors is provided at a circumferential distance from each other on the circumferential wall of the switching pole housing, which prevents partial discharges. | 07-08-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20120181156 | GAS-INSULATED HIGH-VOLTAGE SWITCHING SYSTEM - A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding switch are spatially and structurally separated from one another and may be operated by a common actuator. | 07-19-2012 |
| 20120285806 | SWITCHING DEVICE AND RELATED SWITCHGEAR - Exemplary embodiments are directed to a switching device that connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein said semiconducting assembly is configured to be installed into said housing to surround at least a portion of at least one of said fixed contact and said movable contact when it is coupled to the fixed contact. | 11-15-2012 |
| 20130037399 | FOLDING HIGH VOLTAGE ELECTRIC POWER SWITCH - A folding high voltage electric power switch that can be fully assembled, tested and adjusted at the factory and then folded for shipping on a road truck with minimal disassembly. The switch can then be readied for installation with minimal field assembly largely limited to unfolding and securing support beams and struts. The switch includes a number of phase insulators (i.e., two phase insulators for a 2-way switch and three phase insulators for a three-way switch), a central switch insulator and a number of blade arms, each selectively connecting an electric power tap at the central insulator to an electric power tap at a respective phase insulator. The platform includes structural beams and struts that easily fold for transportation and unfold for installation in the field while the beams, struts, insulators and blade arms remain attached together. | 02-14-2013 |
| 20130056339 | ELECTRICAL CUT-OFF DEVICE WITH HIGH MAKING CAPACITY - An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set ( | 03-07-2013 |
| 20130118874 | DISCONNECTOR, PARTICULARLY OF THE DOUBLE-BREAK DOUBLE-MOVEMENT TYPE - A disconnector, including a crossmember, which has contact pins at its opposite ends, C-shaped contact sockets, which are aligned so as to correspond to the pins in order to receive them by insertion, along a trajectory that is circumferential with respect to a first rotation axis of the crossmember, which is substantially transverse thereto, a support of the crossmember that defines for it the first rotation axis, and a second rotation axis, which is substantially longitudinal to the crossmember, elements for the rotation of the crossmember about the first rotation axis and about the second rotation axis, where fixed contacts are connected electrically, in two separate regions, to supporting arms that belong to the sockets, and have a portion that is intermediate with respect to the two regions, is adapted for contact with the moving contacts, and divides the fixed contacts into two opposite conducting arms. | 05-16-2013 |
| 20130146433 | ELECTRICAL CONTACT ARRANGEMENT AND AIR INSULATED MEDIUM VOLTAGE CIRCUIT BREAKER INCLUDING THE ELECTRICAL CONTACT ARRANGEMENT - An electrical contact arrangement for medium to high voltage applications includes a contact arm having a distal end section on which a circular shaped annulus arrangement having several axially and parallel directed contact fingers is arranged. The contact fingers are pressed on the contact arm via respective radially directed connection sections by a spring ring which is peripherally arranged around the contact fingers. The distal end section of the contact arm includes a first ring-shaped surface and an adjacent second ring-shaped surface, so that the connection section of each contact finger is pressed to at least both the first and second ring-shaped surfaces. | 06-13-2013 |
| 20130228431 | Electrical Interface Interlock System - A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being applied to the HV circuit. If, however, the HV lines are properly positioned within the interface housing, the levers of the lever assembly automatically retract, thus allowing the interface cover to be fully installed onto the interface housing. In this state, the interface cover closes the HV interlock loop switch, thus closing the HV interlock loop and allowing power to be applied to the HV circuit. | 09-05-2013 |
| 20130228432 | REMOVABLE SHED SLEEVE FOR SWITCH - A housing for a high voltage electrical switch includes a tubular body having a top portion and a bottom portion opposite the top portion and removable shed sleeves. A first shed sleeve is removably attached to an outside surface of the top portion, such that an interior surface of the first shed sleeve forms a dielectric interface between the outside surface of the top portion and the interior surface of the first shed sleeve. A second shed sleeve is removably attached to an outside surface of the bottom portion, such that an interior surface of the second shed sleeve forms a dielectric interface between the outside surface of the bottom portion and the interior surface of the second shed sleeve. The first and second shed sleeves are stretched over their respective portions of the tubular body and secured via an interference fit. | 09-05-2013 |
| 20130270087 | Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker - Linkage structure is provided for connection between an operating mechanism and at least one actuating assembly of a circuit breaker for opening and closing a movable electrical contact of a pole assembly associated with the actuating assembly. The linkage structure includes at least one lever constructed and arranged to connect with the at least one actuating assembly. At least one connection rod is coupled to the lever and associated with a close spring for closing the electrical contact. At least one spring structure is coupled to the lever. The spring structure includes at least one open spring providing a spring force on the lever for opening the electrical contact while maintaining the connection rod in tension. | 10-17-2013 |
| 20130270088 | Guide Structure For Raising Control Cabinet Of A High Voltage Dead Tank Circuit Breaker To A Shipping Position - A pole and actuating assembly for a circuit breaker includes a support frame, a plurality of pole and actuating members carried on the support frame, cabinet movably coupled with respect to the support frame, and guide structure between the support frame and the cabinet. The guide structure is constructed and arranged to permit guided, generally vertical movement of the cabinet with respect to the support frame so that the cabinet can be moved between an installation position wherein a bottom surface of the cabinet is on a plane different from a plane of the support frame, and a travel position wherein the bottom surface of the cabinet is on generally the same plane as the support frame. | 10-17-2013 |
| 20130270089 | Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker - A linkage and operating assembly is provided for a dead tank circuit breaker. The circuit breaker has a plurality of pole assemblies and an actuating assembly associated with each pole assembly for opening and closing a movable electrical contact of the associated pole assembly. The linkage and operating assembly includes a linkage module having a plurality of drive structures. Each drive structure has a portion constructed and arranged to be removably coupled to an associated actuating assembly. An operating mechanism is coupled with the linkage module for causing movement of the drive structures substantially simultaneously. When the portions of the drive structures are decoupled from the associated actuating assemblies, the linkage module together with the operating mechanism is constructed and arranged to be removed as a single unit from the circuit breaker. | 10-17-2013 |
| 20130306454 | MOLDED CASE CIRCUIT BREAKER - A circuit breaker includes a housing and a line strap at least partially disposed within the housing. The line strap has a top surface and an opposing bottom surface, a first side surface and an opposing second side surface. A line strap insulator is positioned within the housing and has a first sidewall and a second sidewall. Each of the first sidewall and said second sidewall extend from a point above said line strap top surface to a point below said line strap bottom surface. The line strap insulator is fabricated from an electrically insulative material. | 11-21-2013 |
| 20140083831 | Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same - A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member. | 03-27-2014 |
| 20140083832 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor. | 03-27-2014 |
| 20140110235 | Dual Current Path For High Rated Currents - A circuit breaker is disclosed. The circuit breaker includes a first current path section and a second current path section. At least one of the first and second current path section includes a first current path section member and at least one second current path section member. The at least one second current path section member is arranged in spaced relation to a surface of the first current path section member. The at least one second current path section member is electrically coupled with the first current path section member via at least a first coupling surface portion of the surface of the first current path section member. | 04-24-2014 |
| 20140116866 | MOLDED CASE CIRCUIT BREAKER WITH LARGE CAPACITY - A molded case circuit breaker comprises: a plurality of stationary contact arms; a plurality of movable contact arms each having a plurality of contact arm pieces; a switching mechanism providing a driving force to move the movable contact arms to a closing position or an opening position; a driving shaft configured to provide a driving force for simultaneously rotating the movable contact arms; a link configured to transmit a driving force; a holder configured to rotate the movable contact arms; an upper arc barrier configured to prevent arcs from moving to a rear side from an upper side of the movable contact arms; and a torsion spring having one end portion contacting upper surface of the movable contact arms on the opening position, so as to provide an elastic force to the movable contact arms such that the movable contact arms are rotated to the closing position. | 05-01-2014 |
| 20140246298 | HIGH VOLTAGE SWITCHING DEVICE - An exemplary HV switching device includes a casing having at least a first fixed contact and a second fixed contact that are spaced apart from each other and can be connected to two corresponding power terminals. A first movable contact and a second movable contact are spaced apart from each other and actuated for coupling the first fixed contact and the second fixed contact, respectively. At least one of the first fixed contact and first movable contact has a shape for coupling the first movable contact to the first fixed contact in at least a first coupling position and a second coupling position which are spaced apart, and at least one of the second fixed contact and second movable contact has a shape for coupling the second movable contact to the second fixed contact in at least a third coupling position and a fourth coupling position which are spaced apart. | 09-04-2014 |
| 20140346023 | AUTOMATED GROUNDING DEVICE WITH VISUAL INDICATION - A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller. | 11-27-2014 |
| 20150083563 | WORKING CYLINDER FOR A DRIVE OF AN ELECTRIC CIRCUIT BREAKER - An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. The thrust ring compresses mechanical springs in the mechanical resilient energy storage device by way of a storage piston in a storage module. | 03-26-2015 |
| 20160042892 | SAFETY SYSTEM FOR HIGH VOLTAGE NETWORK GROUNDING SWITCH - The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to updated IEEE/ANSI Standards, while still fitting into existing vault space meant to accommodate earlier switch gear. | 02-11-2016 |
| 20160203929 | BYPASS SWITCH FOR HVDC TRANSMISSION | 07-14-2016 |
| 20090173612 | Rotational stabilizer - An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position. | 07-09-2009 |
| 20100155212 | ISOLATING APPARATUS FOR ELECTRIC POWER LINES AND METHODS FOR FORMING AND USING THE SAME - An isolating apparatus for an electric power line includes an elongate insulator having opposed insulator ends and a pair of electrically conductive end members each secured to a respective one of the insulator ends. At least one of the end members includes a mounting slot that receives its respective one of the insulator ends. | 06-24-2010 |
| 20130092517 | Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor - The invention relates to a conductor for electrical equipment, including at least two electrically-conductive material support elements spaced apart from each other along a longitudinal axis (Y) and at least four electrically-conductive material structural sections elongate along the longitudinal axis (Y), curved transversely to the longitudinal axis, and supported by the support elements;
| 04-18-2013 |
| 20140048396 | High-Voltage Disconnection Knife for Outdoor Use With Air Insulation - A high-voltage disconnection knife insulated by air for external use in high-voltage electrical transmission and distribution networks, the disconnection knife includes two copper arms for the disconnection or contact, mounted in a parallel relation to each other, a front and rear contact base, a turning support in the vicinity of the rear base such that the arms turn at one of its ends about an axis perpendicular to them, a central copper block for distribution of the current flowing through the copper arms; the distance between the arms is defined by the set of stainless steel axes, the copper block and the turning mechanism. At the ends of the disconnection arms an aluminum spring of with transverse section of gradually reduced thickness is connected to the external surface, said spring being fixed to the ends of the arms by means of a pair of stainless steel axes. The front and rear L-shaped bases are formed by the bending of a copper sill with rounded edges to define an area of contact. | 02-20-2014 |
| 20080217152 | HIGH-VOLTAGE CIRCUIT BREAKER AND SWITCH ARRANGEMENT - The disclosure relates to an electrical switching device, e.g., a high-voltage switch, with a mantle-side electrical connection. According to the disclosure, an encapsulated angle disconnector is fitted between the mantle-side electrical connection and the outdoor bushing or an outgoing cable, by means of which angle disconnector the electrical connection is deflected in the disconnector plane, e.g., toward the vertical in the operating position of the switching device. Exemplary embodiments relate, inter alia, to: a horizontal electrical connection and a, 90° disconnector; an additional tilting angle (β) of the angle disconnector about the disconnector input axis; a plurality of mantle-side horizontal electrical connections with associated angle disconnectors, which are tilted away from one another. | 09-11-2008 |
| 20160055997 | SELF-DEICING LIGHTWEIGHT CONDUCTOR - The invention relates to a conductor ( | 02-25-2016 |
| 20160064168 | AIR BREAK ELECTRICAL SWITCH HAVING A BLADE TOGGLE MECHANISM - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 03-03-2016 |
| 20130153385 | HIGH-CURRENT SWITCHING ARRANGEMENT - An exemplary high-current switching arrangement in a generator duct arranged between a generator and a transformer is disclosed. This arrangement includes a pole frame which can be positioned on a base surface, a breaker pole of a generator circuit-breaker which is secured to the pole frame, and a drive which is secured to the pole frame. The breaker pole includes an active component arranged along an axis designed for the conduction and interruption of high currents and which incorporates a power switching point, with two axially spaced current terminals. The drive is arranged on a first of two end faces of the pole frame, and includes a linkage mechanism that transmits power from the drive to the power switching point. | 06-20-2013 |
| 20130270086 | Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker - A pole and actuating assembly for a circuit breaker includes a frame, a plurality of pole and actuating members including a pair of outer pole and actuating members fixed to the frame and a center pole and actuating member disposed there-between and rotatably fixed with respect to the frame. The center pole and actuating member, in an installation position, has a vertical height greater than a vertical height of each of the outer pole and actuating members. Bracket structure is coupled to the frame to permit rotation of the center pole and actuating member to be disposed securely at an acute angle with respect to the frame, thereby reducing the vertical height of the center pole and actuating member in a travel position thereof. | 10-17-2013 |
| 20150101915 | HIGH VOLTAGE SWITCH BLADE CLOSING DETECTOR - A blade closing detector for an electric power switch includes a blade closing detector and an electronic or visual indicator. A first type of detector uses a gravity switch and a magnetic pickup to detect proper engagement between the blade and the switch. A second type of detector uses a sliding latch with a visual indicator rod to provide a visual indication of proper engagement of the blade within the jaws. A third type of detector uses a magnetic switch with a pivot arm and a dome shaped visual indicator. These detectors may be deployed individually or in combination and may be augmented with communication equipment to transmit switch status to a remote location. It will be understood that specific embodiments may include a variety of features in different combinations, as desired by different users. | 04-16-2015 |
| 20090218208 | DISCONNECTOR AND A SUPPORT INSULATOR THEREFOR - A disconnector for interrupting a current path on a voltage of at least 100 kV with respect to earth. Two groups of elongated post-like support insulators are adapted to rest on the ground and support an end of a conductor each on a high level above the ground. A disconnector arm is connected to one or both of the conductor ends and is moveable for connecting and disconnecting these conductor ends. At least the external parts of the support insulators are made of a hydrophobic rubber composite insulating material. | 09-03-2009 |
| 20130284575 | Air Break Electrical Switch Having a Blade Open/Closed Indicator - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 10-31-2013 |
| 200048000 | Pivoted insulator | 3 |
| 20080197008 | Electrical Switchgear and Method for Operating an Electrical Switchgear - An electrical switchgear has a first switching point and a second switching point The first switching point is arranged inside an evacuated region. The second switching point is arranged outside the evacuated region. The first switching point is surrounded by the second switching point. For the connection process of the electrical switchgear, the first switching point is switched on before the second switching point, and for the disconnection process, the first switching point is switched off after the second switching point. | 08-21-2008 |
| 20080217153 | Insulating Body For a Medium-Voltage Switchgear Assembly - An insulating element for a medium-voltage switchgear has a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in the insulating element. The insulating element supports a first contact point that is connected to the circuit-breaker and is used as a bearing point for a movable switching contact of a disconnector, and an additional contact point for the movable switching contact. A favorable structure for producing medium-voltage switchgears in general for primary and secondary power supply systems while reducing expenses, the additional contact point is also configured as a bearing point for the movable switching contact, the movable switching contact is alternatively mounted on the additional contact point rather than on the first contact point, and the additional contact point is alternatively connected to the outgoing cable rather than to the terminal at the busbar end. | 09-11-2008 |
| 20080217154 | Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece - A contact assembly for a grounding switch or circuit breaker includes a first and second contact piece. The two contact pieces can be displaced in relation to one another. At least one of the contact pieces is allocated to a limiting element, which restricts a deflection of the contact piece transversely to the displacement path. When closed, the limiting element connects the second contact piece to a support element. | 09-11-2008 |
| 20080257703 | Diverter Switch, a Method for Operating Such a Switch and Use of Such a Switch - The invention relates to a diverter switch with an operating member and an electric circuit. The electric circuit has a main branch ( | 10-23-2008 |
| 20080314724 | High Voltage Switch Configuration - A high-voltage switch configuration having a subdivision housing, which is supported on a frame by an insulating supporting housing, and having a switch which is fitted to this subdivision housing and has an insulator, a switching chamber surrounded by the insulator, and disconnectible contacts which are accommodated in the switching chamber. The switch can be switched via a switching linkage that can be operated by a drive and is arranged within the supporting housing and the subdivision housing. At least three switches are attached to the subdivision housing, and each switch has a separate associated switching linkage with a separate drive. | 12-25-2008 |
| 20090095610 | METHOD AND DEVICE FOR MAINTENANCE OF HIGH-VOLTAGE SWITCHGEAR WITH VOLTAGE - Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device includes screening plates | 04-16-2009 |
| 20090166168 | GROUNDING SWITCH - A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact. | 07-02-2009 |
| 20090194403 | HEAVY-DUTY CIRCUIT BREAKER WITH A HOUSING - A heavy-duty circuit breaker has a housing with a longitudinal housing axis and a contact arrangement disposed in the housing. The contact arrangement is conductively connected to a first electrical lead fed through the housing and a second electrical lead fed through the housing. The housing comprises a first housing part and a second housing part. The first electrical lead is fed through the first housing part, and the second electrical lead through the second housing part. The two housing parts are connected together so as to be rotatable in opposite directions about the longitudinal housing axis. | 08-06-2009 |
| 20090266695 | SWITCH FOR A SWITCHGEAR ASSEMBLY FOR POWER SUPPLY AND DISTRIBUTION - A switch for a switching unit for energy supply and distribution includes a first connection and a second connection, each with a cylindrical bolt. The bolts are axially adjacent one another and spaced apart. An annular sleeve with an inner diameter larger than the diameter of the bolts, is arranged in such a way that it can be axially displaced on the bolt of the first connection, and partially on the bolt of the second connection. At least a first contact element is arranged between the surface of the bolt of the first connection and the inner surface of the annular sleeve. At least a second contact element is arranged and constructed in such a way that it can be positioned between the surface of the bolt of the second connection and the inner surface of the annular sleeve. The switch has an annular third connection, the inner diameter of which is greater than an outer diameter of the annular sleeve, and which is arranged such that the sleeve can be shifted between the bolts of the first connection and the annular third connection. At least a third contact element is arranged and constructed in such a way that it can be positioned between the inner surface of the annular third connection and the outer surface of the annular sleeve. | 10-29-2009 |
| 20100170774 | SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK - A switching pole for a high-voltage network has a switching unit disposed in a switching pole housing. The switching unit includes a fixed contact and a movable contact. An input connector on a fixed contact side is connected to an output connector on the movable contact side in an electrically conductive manner in the switched-on position of the switching unit. In order to be able to simultaneously connect a current sensor and a voltage sensor to one of the connectors while maintaining breakdown safety, an arrangement of the current and voltage sensors is provided at a circumferential distance from each other on the circumferential wall of the switching pole housing, which prevents partial discharges. | 07-08-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20120181156 | GAS-INSULATED HIGH-VOLTAGE SWITCHING SYSTEM - A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding switch are spatially and structurally separated from one another and may be operated by a common actuator. | 07-19-2012 |
| 20120285806 | SWITCHING DEVICE AND RELATED SWITCHGEAR - Exemplary embodiments are directed to a switching device that connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein said semiconducting assembly is configured to be installed into said housing to surround at least a portion of at least one of said fixed contact and said movable contact when it is coupled to the fixed contact. | 11-15-2012 |
| 20130037399 | FOLDING HIGH VOLTAGE ELECTRIC POWER SWITCH - A folding high voltage electric power switch that can be fully assembled, tested and adjusted at the factory and then folded for shipping on a road truck with minimal disassembly. The switch can then be readied for installation with minimal field assembly largely limited to unfolding and securing support beams and struts. The switch includes a number of phase insulators (i.e., two phase insulators for a 2-way switch and three phase insulators for a three-way switch), a central switch insulator and a number of blade arms, each selectively connecting an electric power tap at the central insulator to an electric power tap at a respective phase insulator. The platform includes structural beams and struts that easily fold for transportation and unfold for installation in the field while the beams, struts, insulators and blade arms remain attached together. | 02-14-2013 |
| 20130056339 | ELECTRICAL CUT-OFF DEVICE WITH HIGH MAKING CAPACITY - An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set ( | 03-07-2013 |
| 20130118874 | DISCONNECTOR, PARTICULARLY OF THE DOUBLE-BREAK DOUBLE-MOVEMENT TYPE - A disconnector, including a crossmember, which has contact pins at its opposite ends, C-shaped contact sockets, which are aligned so as to correspond to the pins in order to receive them by insertion, along a trajectory that is circumferential with respect to a first rotation axis of the crossmember, which is substantially transverse thereto, a support of the crossmember that defines for it the first rotation axis, and a second rotation axis, which is substantially longitudinal to the crossmember, elements for the rotation of the crossmember about the first rotation axis and about the second rotation axis, where fixed contacts are connected electrically, in two separate regions, to supporting arms that belong to the sockets, and have a portion that is intermediate with respect to the two regions, is adapted for contact with the moving contacts, and divides the fixed contacts into two opposite conducting arms. | 05-16-2013 |
| 20130146433 | ELECTRICAL CONTACT ARRANGEMENT AND AIR INSULATED MEDIUM VOLTAGE CIRCUIT BREAKER INCLUDING THE ELECTRICAL CONTACT ARRANGEMENT - An electrical contact arrangement for medium to high voltage applications includes a contact arm having a distal end section on which a circular shaped annulus arrangement having several axially and parallel directed contact fingers is arranged. The contact fingers are pressed on the contact arm via respective radially directed connection sections by a spring ring which is peripherally arranged around the contact fingers. The distal end section of the contact arm includes a first ring-shaped surface and an adjacent second ring-shaped surface, so that the connection section of each contact finger is pressed to at least both the first and second ring-shaped surfaces. | 06-13-2013 |
| 20130228431 | Electrical Interface Interlock System - A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being applied to the HV circuit. If, however, the HV lines are properly positioned within the interface housing, the levers of the lever assembly automatically retract, thus allowing the interface cover to be fully installed onto the interface housing. In this state, the interface cover closes the HV interlock loop switch, thus closing the HV interlock loop and allowing power to be applied to the HV circuit. | 09-05-2013 |
| 20130228432 | REMOVABLE SHED SLEEVE FOR SWITCH - A housing for a high voltage electrical switch includes a tubular body having a top portion and a bottom portion opposite the top portion and removable shed sleeves. A first shed sleeve is removably attached to an outside surface of the top portion, such that an interior surface of the first shed sleeve forms a dielectric interface between the outside surface of the top portion and the interior surface of the first shed sleeve. A second shed sleeve is removably attached to an outside surface of the bottom portion, such that an interior surface of the second shed sleeve forms a dielectric interface between the outside surface of the bottom portion and the interior surface of the second shed sleeve. The first and second shed sleeves are stretched over their respective portions of the tubular body and secured via an interference fit. | 09-05-2013 |
| 20130270087 | Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker - Linkage structure is provided for connection between an operating mechanism and at least one actuating assembly of a circuit breaker for opening and closing a movable electrical contact of a pole assembly associated with the actuating assembly. The linkage structure includes at least one lever constructed and arranged to connect with the at least one actuating assembly. At least one connection rod is coupled to the lever and associated with a close spring for closing the electrical contact. At least one spring structure is coupled to the lever. The spring structure includes at least one open spring providing a spring force on the lever for opening the electrical contact while maintaining the connection rod in tension. | 10-17-2013 |
| 20130270088 | Guide Structure For Raising Control Cabinet Of A High Voltage Dead Tank Circuit Breaker To A Shipping Position - A pole and actuating assembly for a circuit breaker includes a support frame, a plurality of pole and actuating members carried on the support frame, cabinet movably coupled with respect to the support frame, and guide structure between the support frame and the cabinet. The guide structure is constructed and arranged to permit guided, generally vertical movement of the cabinet with respect to the support frame so that the cabinet can be moved between an installation position wherein a bottom surface of the cabinet is on a plane different from a plane of the support frame, and a travel position wherein the bottom surface of the cabinet is on generally the same plane as the support frame. | 10-17-2013 |
| 20130270089 | Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker - A linkage and operating assembly is provided for a dead tank circuit breaker. The circuit breaker has a plurality of pole assemblies and an actuating assembly associated with each pole assembly for opening and closing a movable electrical contact of the associated pole assembly. The linkage and operating assembly includes a linkage module having a plurality of drive structures. Each drive structure has a portion constructed and arranged to be removably coupled to an associated actuating assembly. An operating mechanism is coupled with the linkage module for causing movement of the drive structures substantially simultaneously. When the portions of the drive structures are decoupled from the associated actuating assemblies, the linkage module together with the operating mechanism is constructed and arranged to be removed as a single unit from the circuit breaker. | 10-17-2013 |
| 20130306454 | MOLDED CASE CIRCUIT BREAKER - A circuit breaker includes a housing and a line strap at least partially disposed within the housing. The line strap has a top surface and an opposing bottom surface, a first side surface and an opposing second side surface. A line strap insulator is positioned within the housing and has a first sidewall and a second sidewall. Each of the first sidewall and said second sidewall extend from a point above said line strap top surface to a point below said line strap bottom surface. The line strap insulator is fabricated from an electrically insulative material. | 11-21-2013 |
| 20140083831 | Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same - A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member. | 03-27-2014 |
| 20140083832 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor. | 03-27-2014 |
| 20140110235 | Dual Current Path For High Rated Currents - A circuit breaker is disclosed. The circuit breaker includes a first current path section and a second current path section. At least one of the first and second current path section includes a first current path section member and at least one second current path section member. The at least one second current path section member is arranged in spaced relation to a surface of the first current path section member. The at least one second current path section member is electrically coupled with the first current path section member via at least a first coupling surface portion of the surface of the first current path section member. | 04-24-2014 |
| 20140116866 | MOLDED CASE CIRCUIT BREAKER WITH LARGE CAPACITY - A molded case circuit breaker comprises: a plurality of stationary contact arms; a plurality of movable contact arms each having a plurality of contact arm pieces; a switching mechanism providing a driving force to move the movable contact arms to a closing position or an opening position; a driving shaft configured to provide a driving force for simultaneously rotating the movable contact arms; a link configured to transmit a driving force; a holder configured to rotate the movable contact arms; an upper arc barrier configured to prevent arcs from moving to a rear side from an upper side of the movable contact arms; and a torsion spring having one end portion contacting upper surface of the movable contact arms on the opening position, so as to provide an elastic force to the movable contact arms such that the movable contact arms are rotated to the closing position. | 05-01-2014 |
| 20140246298 | HIGH VOLTAGE SWITCHING DEVICE - An exemplary HV switching device includes a casing having at least a first fixed contact and a second fixed contact that are spaced apart from each other and can be connected to two corresponding power terminals. A first movable contact and a second movable contact are spaced apart from each other and actuated for coupling the first fixed contact and the second fixed contact, respectively. At least one of the first fixed contact and first movable contact has a shape for coupling the first movable contact to the first fixed contact in at least a first coupling position and a second coupling position which are spaced apart, and at least one of the second fixed contact and second movable contact has a shape for coupling the second movable contact to the second fixed contact in at least a third coupling position and a fourth coupling position which are spaced apart. | 09-04-2014 |
| 20140346023 | AUTOMATED GROUNDING DEVICE WITH VISUAL INDICATION - A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller. | 11-27-2014 |
| 20150083563 | WORKING CYLINDER FOR A DRIVE OF AN ELECTRIC CIRCUIT BREAKER - An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. The thrust ring compresses mechanical springs in the mechanical resilient energy storage device by way of a storage piston in a storage module. | 03-26-2015 |
| 20160042892 | SAFETY SYSTEM FOR HIGH VOLTAGE NETWORK GROUNDING SWITCH - The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to updated IEEE/ANSI Standards, while still fitting into existing vault space meant to accommodate earlier switch gear. | 02-11-2016 |
| 20160203929 | BYPASS SWITCH FOR HVDC TRANSMISSION | 07-14-2016 |
| 20090173612 | Rotational stabilizer - An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position. | 07-09-2009 |
| 20100155212 | ISOLATING APPARATUS FOR ELECTRIC POWER LINES AND METHODS FOR FORMING AND USING THE SAME - An isolating apparatus for an electric power line includes an elongate insulator having opposed insulator ends and a pair of electrically conductive end members each secured to a respective one of the insulator ends. At least one of the end members includes a mounting slot that receives its respective one of the insulator ends. | 06-24-2010 |
| 20130092517 | Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor - The invention relates to a conductor for electrical equipment, including at least two electrically-conductive material support elements spaced apart from each other along a longitudinal axis (Y) and at least four electrically-conductive material structural sections elongate along the longitudinal axis (Y), curved transversely to the longitudinal axis, and supported by the support elements;
| 04-18-2013 |
| 20140048396 | High-Voltage Disconnection Knife for Outdoor Use With Air Insulation - A high-voltage disconnection knife insulated by air for external use in high-voltage electrical transmission and distribution networks, the disconnection knife includes two copper arms for the disconnection or contact, mounted in a parallel relation to each other, a front and rear contact base, a turning support in the vicinity of the rear base such that the arms turn at one of its ends about an axis perpendicular to them, a central copper block for distribution of the current flowing through the copper arms; the distance between the arms is defined by the set of stainless steel axes, the copper block and the turning mechanism. At the ends of the disconnection arms an aluminum spring of with transverse section of gradually reduced thickness is connected to the external surface, said spring being fixed to the ends of the arms by means of a pair of stainless steel axes. The front and rear L-shaped bases are formed by the bending of a copper sill with rounded edges to define an area of contact. | 02-20-2014 |
| 20080217152 | HIGH-VOLTAGE CIRCUIT BREAKER AND SWITCH ARRANGEMENT - The disclosure relates to an electrical switching device, e.g., a high-voltage switch, with a mantle-side electrical connection. According to the disclosure, an encapsulated angle disconnector is fitted between the mantle-side electrical connection and the outdoor bushing or an outgoing cable, by means of which angle disconnector the electrical connection is deflected in the disconnector plane, e.g., toward the vertical in the operating position of the switching device. Exemplary embodiments relate, inter alia, to: a horizontal electrical connection and a, 90° disconnector; an additional tilting angle (β) of the angle disconnector about the disconnector input axis; a plurality of mantle-side horizontal electrical connections with associated angle disconnectors, which are tilted away from one another. | 09-11-2008 |
| 20160055997 | SELF-DEICING LIGHTWEIGHT CONDUCTOR - The invention relates to a conductor ( | 02-25-2016 |
| 20160064168 | AIR BREAK ELECTRICAL SWITCH HAVING A BLADE TOGGLE MECHANISM - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 03-03-2016 |
| 20130153385 | HIGH-CURRENT SWITCHING ARRANGEMENT - An exemplary high-current switching arrangement in a generator duct arranged between a generator and a transformer is disclosed. This arrangement includes a pole frame which can be positioned on a base surface, a breaker pole of a generator circuit-breaker which is secured to the pole frame, and a drive which is secured to the pole frame. The breaker pole includes an active component arranged along an axis designed for the conduction and interruption of high currents and which incorporates a power switching point, with two axially spaced current terminals. The drive is arranged on a first of two end faces of the pole frame, and includes a linkage mechanism that transmits power from the drive to the power switching point. | 06-20-2013 |
| 20130270086 | Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker - A pole and actuating assembly for a circuit breaker includes a frame, a plurality of pole and actuating members including a pair of outer pole and actuating members fixed to the frame and a center pole and actuating member disposed there-between and rotatably fixed with respect to the frame. The center pole and actuating member, in an installation position, has a vertical height greater than a vertical height of each of the outer pole and actuating members. Bracket structure is coupled to the frame to permit rotation of the center pole and actuating member to be disposed securely at an acute angle with respect to the frame, thereby reducing the vertical height of the center pole and actuating member in a travel position thereof. | 10-17-2013 |
| 20150101915 | HIGH VOLTAGE SWITCH BLADE CLOSING DETECTOR - A blade closing detector for an electric power switch includes a blade closing detector and an electronic or visual indicator. A first type of detector uses a gravity switch and a magnetic pickup to detect proper engagement between the blade and the switch. A second type of detector uses a sliding latch with a visual indicator rod to provide a visual indication of proper engagement of the blade within the jaws. A third type of detector uses a magnetic switch with a pivot arm and a dome shaped visual indicator. These detectors may be deployed individually or in combination and may be augmented with communication equipment to transmit switch status to a remote location. It will be understood that specific embodiments may include a variety of features in different combinations, as desired by different users. | 04-16-2015 |
| 20090218208 | DISCONNECTOR AND A SUPPORT INSULATOR THEREFOR - A disconnector for interrupting a current path on a voltage of at least 100 kV with respect to earth. Two groups of elongated post-like support insulators are adapted to rest on the ground and support an end of a conductor each on a high level above the ground. A disconnector arm is connected to one or both of the conductor ends and is moveable for connecting and disconnecting these conductor ends. At least the external parts of the support insulators are made of a hydrophobic rubber composite insulating material. | 09-03-2009 |
| 20130284575 | Air Break Electrical Switch Having a Blade Open/Closed Indicator - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 10-31-2013 |
| 200048000 | Rotating and pivoted | 3 |
| 20080197008 | Electrical Switchgear and Method for Operating an Electrical Switchgear - An electrical switchgear has a first switching point and a second switching point The first switching point is arranged inside an evacuated region. The second switching point is arranged outside the evacuated region. The first switching point is surrounded by the second switching point. For the connection process of the electrical switchgear, the first switching point is switched on before the second switching point, and for the disconnection process, the first switching point is switched off after the second switching point. | 08-21-2008 |
| 20080217153 | Insulating Body For a Medium-Voltage Switchgear Assembly - An insulating element for a medium-voltage switchgear has a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in the insulating element. The insulating element supports a first contact point that is connected to the circuit-breaker and is used as a bearing point for a movable switching contact of a disconnector, and an additional contact point for the movable switching contact. A favorable structure for producing medium-voltage switchgears in general for primary and secondary power supply systems while reducing expenses, the additional contact point is also configured as a bearing point for the movable switching contact, the movable switching contact is alternatively mounted on the additional contact point rather than on the first contact point, and the additional contact point is alternatively connected to the outgoing cable rather than to the terminal at the busbar end. | 09-11-2008 |
| 20080217154 | Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece - A contact assembly for a grounding switch or circuit breaker includes a first and second contact piece. The two contact pieces can be displaced in relation to one another. At least one of the contact pieces is allocated to a limiting element, which restricts a deflection of the contact piece transversely to the displacement path. When closed, the limiting element connects the second contact piece to a support element. | 09-11-2008 |
| 20080257703 | Diverter Switch, a Method for Operating Such a Switch and Use of Such a Switch - The invention relates to a diverter switch with an operating member and an electric circuit. The electric circuit has a main branch ( | 10-23-2008 |
| 20080314724 | High Voltage Switch Configuration - A high-voltage switch configuration having a subdivision housing, which is supported on a frame by an insulating supporting housing, and having a switch which is fitted to this subdivision housing and has an insulator, a switching chamber surrounded by the insulator, and disconnectible contacts which are accommodated in the switching chamber. The switch can be switched via a switching linkage that can be operated by a drive and is arranged within the supporting housing and the subdivision housing. At least three switches are attached to the subdivision housing, and each switch has a separate associated switching linkage with a separate drive. | 12-25-2008 |
| 20090095610 | METHOD AND DEVICE FOR MAINTENANCE OF HIGH-VOLTAGE SWITCHGEAR WITH VOLTAGE - Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device includes screening plates | 04-16-2009 |
| 20090166168 | GROUNDING SWITCH - A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact. | 07-02-2009 |
| 20090194403 | HEAVY-DUTY CIRCUIT BREAKER WITH A HOUSING - A heavy-duty circuit breaker has a housing with a longitudinal housing axis and a contact arrangement disposed in the housing. The contact arrangement is conductively connected to a first electrical lead fed through the housing and a second electrical lead fed through the housing. The housing comprises a first housing part and a second housing part. The first electrical lead is fed through the first housing part, and the second electrical lead through the second housing part. The two housing parts are connected together so as to be rotatable in opposite directions about the longitudinal housing axis. | 08-06-2009 |
| 20090266695 | SWITCH FOR A SWITCHGEAR ASSEMBLY FOR POWER SUPPLY AND DISTRIBUTION - A switch for a switching unit for energy supply and distribution includes a first connection and a second connection, each with a cylindrical bolt. The bolts are axially adjacent one another and spaced apart. An annular sleeve with an inner diameter larger than the diameter of the bolts, is arranged in such a way that it can be axially displaced on the bolt of the first connection, and partially on the bolt of the second connection. At least a first contact element is arranged between the surface of the bolt of the first connection and the inner surface of the annular sleeve. At least a second contact element is arranged and constructed in such a way that it can be positioned between the surface of the bolt of the second connection and the inner surface of the annular sleeve. The switch has an annular third connection, the inner diameter of which is greater than an outer diameter of the annular sleeve, and which is arranged such that the sleeve can be shifted between the bolts of the first connection and the annular third connection. At least a third contact element is arranged and constructed in such a way that it can be positioned between the inner surface of the annular third connection and the outer surface of the annular sleeve. | 10-29-2009 |
| 20100170774 | SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK - A switching pole for a high-voltage network has a switching unit disposed in a switching pole housing. The switching unit includes a fixed contact and a movable contact. An input connector on a fixed contact side is connected to an output connector on the movable contact side in an electrically conductive manner in the switched-on position of the switching unit. In order to be able to simultaneously connect a current sensor and a voltage sensor to one of the connectors while maintaining breakdown safety, an arrangement of the current and voltage sensors is provided at a circumferential distance from each other on the circumferential wall of the switching pole housing, which prevents partial discharges. | 07-08-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20120181156 | GAS-INSULATED HIGH-VOLTAGE SWITCHING SYSTEM - A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding switch are spatially and structurally separated from one another and may be operated by a common actuator. | 07-19-2012 |
| 20120285806 | SWITCHING DEVICE AND RELATED SWITCHGEAR - Exemplary embodiments are directed to a switching device that connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein said semiconducting assembly is configured to be installed into said housing to surround at least a portion of at least one of said fixed contact and said movable contact when it is coupled to the fixed contact. | 11-15-2012 |
| 20130037399 | FOLDING HIGH VOLTAGE ELECTRIC POWER SWITCH - A folding high voltage electric power switch that can be fully assembled, tested and adjusted at the factory and then folded for shipping on a road truck with minimal disassembly. The switch can then be readied for installation with minimal field assembly largely limited to unfolding and securing support beams and struts. The switch includes a number of phase insulators (i.e., two phase insulators for a 2-way switch and three phase insulators for a three-way switch), a central switch insulator and a number of blade arms, each selectively connecting an electric power tap at the central insulator to an electric power tap at a respective phase insulator. The platform includes structural beams and struts that easily fold for transportation and unfold for installation in the field while the beams, struts, insulators and blade arms remain attached together. | 02-14-2013 |
| 20130056339 | ELECTRICAL CUT-OFF DEVICE WITH HIGH MAKING CAPACITY - An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set ( | 03-07-2013 |
| 20130118874 | DISCONNECTOR, PARTICULARLY OF THE DOUBLE-BREAK DOUBLE-MOVEMENT TYPE - A disconnector, including a crossmember, which has contact pins at its opposite ends, C-shaped contact sockets, which are aligned so as to correspond to the pins in order to receive them by insertion, along a trajectory that is circumferential with respect to a first rotation axis of the crossmember, which is substantially transverse thereto, a support of the crossmember that defines for it the first rotation axis, and a second rotation axis, which is substantially longitudinal to the crossmember, elements for the rotation of the crossmember about the first rotation axis and about the second rotation axis, where fixed contacts are connected electrically, in two separate regions, to supporting arms that belong to the sockets, and have a portion that is intermediate with respect to the two regions, is adapted for contact with the moving contacts, and divides the fixed contacts into two opposite conducting arms. | 05-16-2013 |
| 20130146433 | ELECTRICAL CONTACT ARRANGEMENT AND AIR INSULATED MEDIUM VOLTAGE CIRCUIT BREAKER INCLUDING THE ELECTRICAL CONTACT ARRANGEMENT - An electrical contact arrangement for medium to high voltage applications includes a contact arm having a distal end section on which a circular shaped annulus arrangement having several axially and parallel directed contact fingers is arranged. The contact fingers are pressed on the contact arm via respective radially directed connection sections by a spring ring which is peripherally arranged around the contact fingers. The distal end section of the contact arm includes a first ring-shaped surface and an adjacent second ring-shaped surface, so that the connection section of each contact finger is pressed to at least both the first and second ring-shaped surfaces. | 06-13-2013 |
| 20130228431 | Electrical Interface Interlock System - A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being applied to the HV circuit. If, however, the HV lines are properly positioned within the interface housing, the levers of the lever assembly automatically retract, thus allowing the interface cover to be fully installed onto the interface housing. In this state, the interface cover closes the HV interlock loop switch, thus closing the HV interlock loop and allowing power to be applied to the HV circuit. | 09-05-2013 |
| 20130228432 | REMOVABLE SHED SLEEVE FOR SWITCH - A housing for a high voltage electrical switch includes a tubular body having a top portion and a bottom portion opposite the top portion and removable shed sleeves. A first shed sleeve is removably attached to an outside surface of the top portion, such that an interior surface of the first shed sleeve forms a dielectric interface between the outside surface of the top portion and the interior surface of the first shed sleeve. A second shed sleeve is removably attached to an outside surface of the bottom portion, such that an interior surface of the second shed sleeve forms a dielectric interface between the outside surface of the bottom portion and the interior surface of the second shed sleeve. The first and second shed sleeves are stretched over their respective portions of the tubular body and secured via an interference fit. | 09-05-2013 |
| 20130270087 | Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker - Linkage structure is provided for connection between an operating mechanism and at least one actuating assembly of a circuit breaker for opening and closing a movable electrical contact of a pole assembly associated with the actuating assembly. The linkage structure includes at least one lever constructed and arranged to connect with the at least one actuating assembly. At least one connection rod is coupled to the lever and associated with a close spring for closing the electrical contact. At least one spring structure is coupled to the lever. The spring structure includes at least one open spring providing a spring force on the lever for opening the electrical contact while maintaining the connection rod in tension. | 10-17-2013 |
| 20130270088 | Guide Structure For Raising Control Cabinet Of A High Voltage Dead Tank Circuit Breaker To A Shipping Position - A pole and actuating assembly for a circuit breaker includes a support frame, a plurality of pole and actuating members carried on the support frame, cabinet movably coupled with respect to the support frame, and guide structure between the support frame and the cabinet. The guide structure is constructed and arranged to permit guided, generally vertical movement of the cabinet with respect to the support frame so that the cabinet can be moved between an installation position wherein a bottom surface of the cabinet is on a plane different from a plane of the support frame, and a travel position wherein the bottom surface of the cabinet is on generally the same plane as the support frame. | 10-17-2013 |
| 20130270089 | Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker - A linkage and operating assembly is provided for a dead tank circuit breaker. The circuit breaker has a plurality of pole assemblies and an actuating assembly associated with each pole assembly for opening and closing a movable electrical contact of the associated pole assembly. The linkage and operating assembly includes a linkage module having a plurality of drive structures. Each drive structure has a portion constructed and arranged to be removably coupled to an associated actuating assembly. An operating mechanism is coupled with the linkage module for causing movement of the drive structures substantially simultaneously. When the portions of the drive structures are decoupled from the associated actuating assemblies, the linkage module together with the operating mechanism is constructed and arranged to be removed as a single unit from the circuit breaker. | 10-17-2013 |
| 20130306454 | MOLDED CASE CIRCUIT BREAKER - A circuit breaker includes a housing and a line strap at least partially disposed within the housing. The line strap has a top surface and an opposing bottom surface, a first side surface and an opposing second side surface. A line strap insulator is positioned within the housing and has a first sidewall and a second sidewall. Each of the first sidewall and said second sidewall extend from a point above said line strap top surface to a point below said line strap bottom surface. The line strap insulator is fabricated from an electrically insulative material. | 11-21-2013 |
| 20140083831 | Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same - A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member. | 03-27-2014 |
| 20140083832 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor. | 03-27-2014 |
| 20140110235 | Dual Current Path For High Rated Currents - A circuit breaker is disclosed. The circuit breaker includes a first current path section and a second current path section. At least one of the first and second current path section includes a first current path section member and at least one second current path section member. The at least one second current path section member is arranged in spaced relation to a surface of the first current path section member. The at least one second current path section member is electrically coupled with the first current path section member via at least a first coupling surface portion of the surface of the first current path section member. | 04-24-2014 |
| 20140116866 | MOLDED CASE CIRCUIT BREAKER WITH LARGE CAPACITY - A molded case circuit breaker comprises: a plurality of stationary contact arms; a plurality of movable contact arms each having a plurality of contact arm pieces; a switching mechanism providing a driving force to move the movable contact arms to a closing position or an opening position; a driving shaft configured to provide a driving force for simultaneously rotating the movable contact arms; a link configured to transmit a driving force; a holder configured to rotate the movable contact arms; an upper arc barrier configured to prevent arcs from moving to a rear side from an upper side of the movable contact arms; and a torsion spring having one end portion contacting upper surface of the movable contact arms on the opening position, so as to provide an elastic force to the movable contact arms such that the movable contact arms are rotated to the closing position. | 05-01-2014 |
| 20140246298 | HIGH VOLTAGE SWITCHING DEVICE - An exemplary HV switching device includes a casing having at least a first fixed contact and a second fixed contact that are spaced apart from each other and can be connected to two corresponding power terminals. A first movable contact and a second movable contact are spaced apart from each other and actuated for coupling the first fixed contact and the second fixed contact, respectively. At least one of the first fixed contact and first movable contact has a shape for coupling the first movable contact to the first fixed contact in at least a first coupling position and a second coupling position which are spaced apart, and at least one of the second fixed contact and second movable contact has a shape for coupling the second movable contact to the second fixed contact in at least a third coupling position and a fourth coupling position which are spaced apart. | 09-04-2014 |
| 20140346023 | AUTOMATED GROUNDING DEVICE WITH VISUAL INDICATION - A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller. | 11-27-2014 |
| 20150083563 | WORKING CYLINDER FOR A DRIVE OF AN ELECTRIC CIRCUIT BREAKER - An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. The thrust ring compresses mechanical springs in the mechanical resilient energy storage device by way of a storage piston in a storage module. | 03-26-2015 |
| 20160042892 | SAFETY SYSTEM FOR HIGH VOLTAGE NETWORK GROUNDING SWITCH - The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to updated IEEE/ANSI Standards, while still fitting into existing vault space meant to accommodate earlier switch gear. | 02-11-2016 |
| 20160203929 | BYPASS SWITCH FOR HVDC TRANSMISSION | 07-14-2016 |
| 20090173612 | Rotational stabilizer - An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position. | 07-09-2009 |
| 20100155212 | ISOLATING APPARATUS FOR ELECTRIC POWER LINES AND METHODS FOR FORMING AND USING THE SAME - An isolating apparatus for an electric power line includes an elongate insulator having opposed insulator ends and a pair of electrically conductive end members each secured to a respective one of the insulator ends. At least one of the end members includes a mounting slot that receives its respective one of the insulator ends. | 06-24-2010 |
| 20130092517 | Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor - The invention relates to a conductor for electrical equipment, including at least two electrically-conductive material support elements spaced apart from each other along a longitudinal axis (Y) and at least four electrically-conductive material structural sections elongate along the longitudinal axis (Y), curved transversely to the longitudinal axis, and supported by the support elements;
| 04-18-2013 |
| 20140048396 | High-Voltage Disconnection Knife for Outdoor Use With Air Insulation - A high-voltage disconnection knife insulated by air for external use in high-voltage electrical transmission and distribution networks, the disconnection knife includes two copper arms for the disconnection or contact, mounted in a parallel relation to each other, a front and rear contact base, a turning support in the vicinity of the rear base such that the arms turn at one of its ends about an axis perpendicular to them, a central copper block for distribution of the current flowing through the copper arms; the distance between the arms is defined by the set of stainless steel axes, the copper block and the turning mechanism. At the ends of the disconnection arms an aluminum spring of with transverse section of gradually reduced thickness is connected to the external surface, said spring being fixed to the ends of the arms by means of a pair of stainless steel axes. The front and rear L-shaped bases are formed by the bending of a copper sill with rounded edges to define an area of contact. | 02-20-2014 |
| 20080217152 | HIGH-VOLTAGE CIRCUIT BREAKER AND SWITCH ARRANGEMENT - The disclosure relates to an electrical switching device, e.g., a high-voltage switch, with a mantle-side electrical connection. According to the disclosure, an encapsulated angle disconnector is fitted between the mantle-side electrical connection and the outdoor bushing or an outgoing cable, by means of which angle disconnector the electrical connection is deflected in the disconnector plane, e.g., toward the vertical in the operating position of the switching device. Exemplary embodiments relate, inter alia, to: a horizontal electrical connection and a, 90° disconnector; an additional tilting angle (β) of the angle disconnector about the disconnector input axis; a plurality of mantle-side horizontal electrical connections with associated angle disconnectors, which are tilted away from one another. | 09-11-2008 |
| 20160055997 | SELF-DEICING LIGHTWEIGHT CONDUCTOR - The invention relates to a conductor ( | 02-25-2016 |
| 20160064168 | AIR BREAK ELECTRICAL SWITCH HAVING A BLADE TOGGLE MECHANISM - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 03-03-2016 |
| 20130153385 | HIGH-CURRENT SWITCHING ARRANGEMENT - An exemplary high-current switching arrangement in a generator duct arranged between a generator and a transformer is disclosed. This arrangement includes a pole frame which can be positioned on a base surface, a breaker pole of a generator circuit-breaker which is secured to the pole frame, and a drive which is secured to the pole frame. The breaker pole includes an active component arranged along an axis designed for the conduction and interruption of high currents and which incorporates a power switching point, with two axially spaced current terminals. The drive is arranged on a first of two end faces of the pole frame, and includes a linkage mechanism that transmits power from the drive to the power switching point. | 06-20-2013 |
| 20130270086 | Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker - A pole and actuating assembly for a circuit breaker includes a frame, a plurality of pole and actuating members including a pair of outer pole and actuating members fixed to the frame and a center pole and actuating member disposed there-between and rotatably fixed with respect to the frame. The center pole and actuating member, in an installation position, has a vertical height greater than a vertical height of each of the outer pole and actuating members. Bracket structure is coupled to the frame to permit rotation of the center pole and actuating member to be disposed securely at an acute angle with respect to the frame, thereby reducing the vertical height of the center pole and actuating member in a travel position thereof. | 10-17-2013 |
| 20150101915 | HIGH VOLTAGE SWITCH BLADE CLOSING DETECTOR - A blade closing detector for an electric power switch includes a blade closing detector and an electronic or visual indicator. A first type of detector uses a gravity switch and a magnetic pickup to detect proper engagement between the blade and the switch. A second type of detector uses a sliding latch with a visual indicator rod to provide a visual indication of proper engagement of the blade within the jaws. A third type of detector uses a magnetic switch with a pivot arm and a dome shaped visual indicator. These detectors may be deployed individually or in combination and may be augmented with communication equipment to transmit switch status to a remote location. It will be understood that specific embodiments may include a variety of features in different combinations, as desired by different users. | 04-16-2015 |
| 20090218208 | DISCONNECTOR AND A SUPPORT INSULATOR THEREFOR - A disconnector for interrupting a current path on a voltage of at least 100 kV with respect to earth. Two groups of elongated post-like support insulators are adapted to rest on the ground and support an end of a conductor each on a high level above the ground. A disconnector arm is connected to one or both of the conductor ends and is moveable for connecting and disconnecting these conductor ends. At least the external parts of the support insulators are made of a hydrophobic rubber composite insulating material. | 09-03-2009 |
| 20130284575 | Air Break Electrical Switch Having a Blade Open/Closed Indicator - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 10-31-2013 |
| 200048000 | Knife blade | 4 |
| 20080197008 | Electrical Switchgear and Method for Operating an Electrical Switchgear - An electrical switchgear has a first switching point and a second switching point The first switching point is arranged inside an evacuated region. The second switching point is arranged outside the evacuated region. The first switching point is surrounded by the second switching point. For the connection process of the electrical switchgear, the first switching point is switched on before the second switching point, and for the disconnection process, the first switching point is switched off after the second switching point. | 08-21-2008 |
| 20080217153 | Insulating Body For a Medium-Voltage Switchgear Assembly - An insulating element for a medium-voltage switchgear has a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in the insulating element. The insulating element supports a first contact point that is connected to the circuit-breaker and is used as a bearing point for a movable switching contact of a disconnector, and an additional contact point for the movable switching contact. A favorable structure for producing medium-voltage switchgears in general for primary and secondary power supply systems while reducing expenses, the additional contact point is also configured as a bearing point for the movable switching contact, the movable switching contact is alternatively mounted on the additional contact point rather than on the first contact point, and the additional contact point is alternatively connected to the outgoing cable rather than to the terminal at the busbar end. | 09-11-2008 |
| 20080217154 | Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece - A contact assembly for a grounding switch or circuit breaker includes a first and second contact piece. The two contact pieces can be displaced in relation to one another. At least one of the contact pieces is allocated to a limiting element, which restricts a deflection of the contact piece transversely to the displacement path. When closed, the limiting element connects the second contact piece to a support element. | 09-11-2008 |
| 20080257703 | Diverter Switch, a Method for Operating Such a Switch and Use of Such a Switch - The invention relates to a diverter switch with an operating member and an electric circuit. The electric circuit has a main branch ( | 10-23-2008 |
| 20080314724 | High Voltage Switch Configuration - A high-voltage switch configuration having a subdivision housing, which is supported on a frame by an insulating supporting housing, and having a switch which is fitted to this subdivision housing and has an insulator, a switching chamber surrounded by the insulator, and disconnectible contacts which are accommodated in the switching chamber. The switch can be switched via a switching linkage that can be operated by a drive and is arranged within the supporting housing and the subdivision housing. At least three switches are attached to the subdivision housing, and each switch has a separate associated switching linkage with a separate drive. | 12-25-2008 |
| 20090095610 | METHOD AND DEVICE FOR MAINTENANCE OF HIGH-VOLTAGE SWITCHGEAR WITH VOLTAGE - Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device includes screening plates | 04-16-2009 |
| 20090166168 | GROUNDING SWITCH - A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact. | 07-02-2009 |
| 20090194403 | HEAVY-DUTY CIRCUIT BREAKER WITH A HOUSING - A heavy-duty circuit breaker has a housing with a longitudinal housing axis and a contact arrangement disposed in the housing. The contact arrangement is conductively connected to a first electrical lead fed through the housing and a second electrical lead fed through the housing. The housing comprises a first housing part and a second housing part. The first electrical lead is fed through the first housing part, and the second electrical lead through the second housing part. The two housing parts are connected together so as to be rotatable in opposite directions about the longitudinal housing axis. | 08-06-2009 |
| 20090266695 | SWITCH FOR A SWITCHGEAR ASSEMBLY FOR POWER SUPPLY AND DISTRIBUTION - A switch for a switching unit for energy supply and distribution includes a first connection and a second connection, each with a cylindrical bolt. The bolts are axially adjacent one another and spaced apart. An annular sleeve with an inner diameter larger than the diameter of the bolts, is arranged in such a way that it can be axially displaced on the bolt of the first connection, and partially on the bolt of the second connection. At least a first contact element is arranged between the surface of the bolt of the first connection and the inner surface of the annular sleeve. At least a second contact element is arranged and constructed in such a way that it can be positioned between the surface of the bolt of the second connection and the inner surface of the annular sleeve. The switch has an annular third connection, the inner diameter of which is greater than an outer diameter of the annular sleeve, and which is arranged such that the sleeve can be shifted between the bolts of the first connection and the annular third connection. At least a third contact element is arranged and constructed in such a way that it can be positioned between the inner surface of the annular third connection and the outer surface of the annular sleeve. | 10-29-2009 |
| 20100170774 | SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK - A switching pole for a high-voltage network has a switching unit disposed in a switching pole housing. The switching unit includes a fixed contact and a movable contact. An input connector on a fixed contact side is connected to an output connector on the movable contact side in an electrically conductive manner in the switched-on position of the switching unit. In order to be able to simultaneously connect a current sensor and a voltage sensor to one of the connectors while maintaining breakdown safety, an arrangement of the current and voltage sensors is provided at a circumferential distance from each other on the circumferential wall of the switching pole housing, which prevents partial discharges. | 07-08-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20120181156 | GAS-INSULATED HIGH-VOLTAGE SWITCHING SYSTEM - A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding switch are spatially and structurally separated from one another and may be operated by a common actuator. | 07-19-2012 |
| 20120285806 | SWITCHING DEVICE AND RELATED SWITCHGEAR - Exemplary embodiments are directed to a switching device that connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein said semiconducting assembly is configured to be installed into said housing to surround at least a portion of at least one of said fixed contact and said movable contact when it is coupled to the fixed contact. | 11-15-2012 |
| 20130037399 | FOLDING HIGH VOLTAGE ELECTRIC POWER SWITCH - A folding high voltage electric power switch that can be fully assembled, tested and adjusted at the factory and then folded for shipping on a road truck with minimal disassembly. The switch can then be readied for installation with minimal field assembly largely limited to unfolding and securing support beams and struts. The switch includes a number of phase insulators (i.e., two phase insulators for a 2-way switch and three phase insulators for a three-way switch), a central switch insulator and a number of blade arms, each selectively connecting an electric power tap at the central insulator to an electric power tap at a respective phase insulator. The platform includes structural beams and struts that easily fold for transportation and unfold for installation in the field while the beams, struts, insulators and blade arms remain attached together. | 02-14-2013 |
| 20130056339 | ELECTRICAL CUT-OFF DEVICE WITH HIGH MAKING CAPACITY - An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set ( | 03-07-2013 |
| 20130118874 | DISCONNECTOR, PARTICULARLY OF THE DOUBLE-BREAK DOUBLE-MOVEMENT TYPE - A disconnector, including a crossmember, which has contact pins at its opposite ends, C-shaped contact sockets, which are aligned so as to correspond to the pins in order to receive them by insertion, along a trajectory that is circumferential with respect to a first rotation axis of the crossmember, which is substantially transverse thereto, a support of the crossmember that defines for it the first rotation axis, and a second rotation axis, which is substantially longitudinal to the crossmember, elements for the rotation of the crossmember about the first rotation axis and about the second rotation axis, where fixed contacts are connected electrically, in two separate regions, to supporting arms that belong to the sockets, and have a portion that is intermediate with respect to the two regions, is adapted for contact with the moving contacts, and divides the fixed contacts into two opposite conducting arms. | 05-16-2013 |
| 20130146433 | ELECTRICAL CONTACT ARRANGEMENT AND AIR INSULATED MEDIUM VOLTAGE CIRCUIT BREAKER INCLUDING THE ELECTRICAL CONTACT ARRANGEMENT - An electrical contact arrangement for medium to high voltage applications includes a contact arm having a distal end section on which a circular shaped annulus arrangement having several axially and parallel directed contact fingers is arranged. The contact fingers are pressed on the contact arm via respective radially directed connection sections by a spring ring which is peripherally arranged around the contact fingers. The distal end section of the contact arm includes a first ring-shaped surface and an adjacent second ring-shaped surface, so that the connection section of each contact finger is pressed to at least both the first and second ring-shaped surfaces. | 06-13-2013 |
| 20130228431 | Electrical Interface Interlock System - A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being applied to the HV circuit. If, however, the HV lines are properly positioned within the interface housing, the levers of the lever assembly automatically retract, thus allowing the interface cover to be fully installed onto the interface housing. In this state, the interface cover closes the HV interlock loop switch, thus closing the HV interlock loop and allowing power to be applied to the HV circuit. | 09-05-2013 |
| 20130228432 | REMOVABLE SHED SLEEVE FOR SWITCH - A housing for a high voltage electrical switch includes a tubular body having a top portion and a bottom portion opposite the top portion and removable shed sleeves. A first shed sleeve is removably attached to an outside surface of the top portion, such that an interior surface of the first shed sleeve forms a dielectric interface between the outside surface of the top portion and the interior surface of the first shed sleeve. A second shed sleeve is removably attached to an outside surface of the bottom portion, such that an interior surface of the second shed sleeve forms a dielectric interface between the outside surface of the bottom portion and the interior surface of the second shed sleeve. The first and second shed sleeves are stretched over their respective portions of the tubular body and secured via an interference fit. | 09-05-2013 |
| 20130270087 | Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker - Linkage structure is provided for connection between an operating mechanism and at least one actuating assembly of a circuit breaker for opening and closing a movable electrical contact of a pole assembly associated with the actuating assembly. The linkage structure includes at least one lever constructed and arranged to connect with the at least one actuating assembly. At least one connection rod is coupled to the lever and associated with a close spring for closing the electrical contact. At least one spring structure is coupled to the lever. The spring structure includes at least one open spring providing a spring force on the lever for opening the electrical contact while maintaining the connection rod in tension. | 10-17-2013 |
| 20130270088 | Guide Structure For Raising Control Cabinet Of A High Voltage Dead Tank Circuit Breaker To A Shipping Position - A pole and actuating assembly for a circuit breaker includes a support frame, a plurality of pole and actuating members carried on the support frame, cabinet movably coupled with respect to the support frame, and guide structure between the support frame and the cabinet. The guide structure is constructed and arranged to permit guided, generally vertical movement of the cabinet with respect to the support frame so that the cabinet can be moved between an installation position wherein a bottom surface of the cabinet is on a plane different from a plane of the support frame, and a travel position wherein the bottom surface of the cabinet is on generally the same plane as the support frame. | 10-17-2013 |
| 20130270089 | Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker - A linkage and operating assembly is provided for a dead tank circuit breaker. The circuit breaker has a plurality of pole assemblies and an actuating assembly associated with each pole assembly for opening and closing a movable electrical contact of the associated pole assembly. The linkage and operating assembly includes a linkage module having a plurality of drive structures. Each drive structure has a portion constructed and arranged to be removably coupled to an associated actuating assembly. An operating mechanism is coupled with the linkage module for causing movement of the drive structures substantially simultaneously. When the portions of the drive structures are decoupled from the associated actuating assemblies, the linkage module together with the operating mechanism is constructed and arranged to be removed as a single unit from the circuit breaker. | 10-17-2013 |
| 20130306454 | MOLDED CASE CIRCUIT BREAKER - A circuit breaker includes a housing and a line strap at least partially disposed within the housing. The line strap has a top surface and an opposing bottom surface, a first side surface and an opposing second side surface. A line strap insulator is positioned within the housing and has a first sidewall and a second sidewall. Each of the first sidewall and said second sidewall extend from a point above said line strap top surface to a point below said line strap bottom surface. The line strap insulator is fabricated from an electrically insulative material. | 11-21-2013 |
| 20140083831 | Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same - A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member. | 03-27-2014 |
| 20140083832 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor. | 03-27-2014 |
| 20140110235 | Dual Current Path For High Rated Currents - A circuit breaker is disclosed. The circuit breaker includes a first current path section and a second current path section. At least one of the first and second current path section includes a first current path section member and at least one second current path section member. The at least one second current path section member is arranged in spaced relation to a surface of the first current path section member. The at least one second current path section member is electrically coupled with the first current path section member via at least a first coupling surface portion of the surface of the first current path section member. | 04-24-2014 |
| 20140116866 | MOLDED CASE CIRCUIT BREAKER WITH LARGE CAPACITY - A molded case circuit breaker comprises: a plurality of stationary contact arms; a plurality of movable contact arms each having a plurality of contact arm pieces; a switching mechanism providing a driving force to move the movable contact arms to a closing position or an opening position; a driving shaft configured to provide a driving force for simultaneously rotating the movable contact arms; a link configured to transmit a driving force; a holder configured to rotate the movable contact arms; an upper arc barrier configured to prevent arcs from moving to a rear side from an upper side of the movable contact arms; and a torsion spring having one end portion contacting upper surface of the movable contact arms on the opening position, so as to provide an elastic force to the movable contact arms such that the movable contact arms are rotated to the closing position. | 05-01-2014 |
| 20140246298 | HIGH VOLTAGE SWITCHING DEVICE - An exemplary HV switching device includes a casing having at least a first fixed contact and a second fixed contact that are spaced apart from each other and can be connected to two corresponding power terminals. A first movable contact and a second movable contact are spaced apart from each other and actuated for coupling the first fixed contact and the second fixed contact, respectively. At least one of the first fixed contact and first movable contact has a shape for coupling the first movable contact to the first fixed contact in at least a first coupling position and a second coupling position which are spaced apart, and at least one of the second fixed contact and second movable contact has a shape for coupling the second movable contact to the second fixed contact in at least a third coupling position and a fourth coupling position which are spaced apart. | 09-04-2014 |
| 20140346023 | AUTOMATED GROUNDING DEVICE WITH VISUAL INDICATION - A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller. | 11-27-2014 |
| 20150083563 | WORKING CYLINDER FOR A DRIVE OF AN ELECTRIC CIRCUIT BREAKER - An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. The thrust ring compresses mechanical springs in the mechanical resilient energy storage device by way of a storage piston in a storage module. | 03-26-2015 |
| 20160042892 | SAFETY SYSTEM FOR HIGH VOLTAGE NETWORK GROUNDING SWITCH - The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to updated IEEE/ANSI Standards, while still fitting into existing vault space meant to accommodate earlier switch gear. | 02-11-2016 |
| 20160203929 | BYPASS SWITCH FOR HVDC TRANSMISSION | 07-14-2016 |
| 20090173612 | Rotational stabilizer - An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position. | 07-09-2009 |
| 20100155212 | ISOLATING APPARATUS FOR ELECTRIC POWER LINES AND METHODS FOR FORMING AND USING THE SAME - An isolating apparatus for an electric power line includes an elongate insulator having opposed insulator ends and a pair of electrically conductive end members each secured to a respective one of the insulator ends. At least one of the end members includes a mounting slot that receives its respective one of the insulator ends. | 06-24-2010 |
| 20130092517 | Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor - The invention relates to a conductor for electrical equipment, including at least two electrically-conductive material support elements spaced apart from each other along a longitudinal axis (Y) and at least four electrically-conductive material structural sections elongate along the longitudinal axis (Y), curved transversely to the longitudinal axis, and supported by the support elements;
| 04-18-2013 |
| 20140048396 | High-Voltage Disconnection Knife for Outdoor Use With Air Insulation - A high-voltage disconnection knife insulated by air for external use in high-voltage electrical transmission and distribution networks, the disconnection knife includes two copper arms for the disconnection or contact, mounted in a parallel relation to each other, a front and rear contact base, a turning support in the vicinity of the rear base such that the arms turn at one of its ends about an axis perpendicular to them, a central copper block for distribution of the current flowing through the copper arms; the distance between the arms is defined by the set of stainless steel axes, the copper block and the turning mechanism. At the ends of the disconnection arms an aluminum spring of with transverse section of gradually reduced thickness is connected to the external surface, said spring being fixed to the ends of the arms by means of a pair of stainless steel axes. The front and rear L-shaped bases are formed by the bending of a copper sill with rounded edges to define an area of contact. | 02-20-2014 |
| 20080217152 | HIGH-VOLTAGE CIRCUIT BREAKER AND SWITCH ARRANGEMENT - The disclosure relates to an electrical switching device, e.g., a high-voltage switch, with a mantle-side electrical connection. According to the disclosure, an encapsulated angle disconnector is fitted between the mantle-side electrical connection and the outdoor bushing or an outgoing cable, by means of which angle disconnector the electrical connection is deflected in the disconnector plane, e.g., toward the vertical in the operating position of the switching device. Exemplary embodiments relate, inter alia, to: a horizontal electrical connection and a, 90° disconnector; an additional tilting angle (β) of the angle disconnector about the disconnector input axis; a plurality of mantle-side horizontal electrical connections with associated angle disconnectors, which are tilted away from one another. | 09-11-2008 |
| 20160055997 | SELF-DEICING LIGHTWEIGHT CONDUCTOR - The invention relates to a conductor ( | 02-25-2016 |
| 20160064168 | AIR BREAK ELECTRICAL SWITCH HAVING A BLADE TOGGLE MECHANISM - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 03-03-2016 |
| 20130153385 | HIGH-CURRENT SWITCHING ARRANGEMENT - An exemplary high-current switching arrangement in a generator duct arranged between a generator and a transformer is disclosed. This arrangement includes a pole frame which can be positioned on a base surface, a breaker pole of a generator circuit-breaker which is secured to the pole frame, and a drive which is secured to the pole frame. The breaker pole includes an active component arranged along an axis designed for the conduction and interruption of high currents and which incorporates a power switching point, with two axially spaced current terminals. The drive is arranged on a first of two end faces of the pole frame, and includes a linkage mechanism that transmits power from the drive to the power switching point. | 06-20-2013 |
| 20130270086 | Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker - A pole and actuating assembly for a circuit breaker includes a frame, a plurality of pole and actuating members including a pair of outer pole and actuating members fixed to the frame and a center pole and actuating member disposed there-between and rotatably fixed with respect to the frame. The center pole and actuating member, in an installation position, has a vertical height greater than a vertical height of each of the outer pole and actuating members. Bracket structure is coupled to the frame to permit rotation of the center pole and actuating member to be disposed securely at an acute angle with respect to the frame, thereby reducing the vertical height of the center pole and actuating member in a travel position thereof. | 10-17-2013 |
| 20150101915 | HIGH VOLTAGE SWITCH BLADE CLOSING DETECTOR - A blade closing detector for an electric power switch includes a blade closing detector and an electronic or visual indicator. A first type of detector uses a gravity switch and a magnetic pickup to detect proper engagement between the blade and the switch. A second type of detector uses a sliding latch with a visual indicator rod to provide a visual indication of proper engagement of the blade within the jaws. A third type of detector uses a magnetic switch with a pivot arm and a dome shaped visual indicator. These detectors may be deployed individually or in combination and may be augmented with communication equipment to transmit switch status to a remote location. It will be understood that specific embodiments may include a variety of features in different combinations, as desired by different users. | 04-16-2015 |
| 20090218208 | DISCONNECTOR AND A SUPPORT INSULATOR THEREFOR - A disconnector for interrupting a current path on a voltage of at least 100 kV with respect to earth. Two groups of elongated post-like support insulators are adapted to rest on the ground and support an end of a conductor each on a high level above the ground. A disconnector arm is connected to one or both of the conductor ends and is moveable for connecting and disconnecting these conductor ends. At least the external parts of the support insulators are made of a hydrophobic rubber composite insulating material. | 09-03-2009 |
| 20130284575 | Air Break Electrical Switch Having a Blade Open/Closed Indicator - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 10-31-2013 |
| 200048000 | Side break | 2 |
| 20080197008 | Electrical Switchgear and Method for Operating an Electrical Switchgear - An electrical switchgear has a first switching point and a second switching point The first switching point is arranged inside an evacuated region. The second switching point is arranged outside the evacuated region. The first switching point is surrounded by the second switching point. For the connection process of the electrical switchgear, the first switching point is switched on before the second switching point, and for the disconnection process, the first switching point is switched off after the second switching point. | 08-21-2008 |
| 20080217153 | Insulating Body For a Medium-Voltage Switchgear Assembly - An insulating element for a medium-voltage switchgear has a terminal at the busbar end and an outgoing cable. A circuit-breaker is embedded in the insulating element. The insulating element supports a first contact point that is connected to the circuit-breaker and is used as a bearing point for a movable switching contact of a disconnector, and an additional contact point for the movable switching contact. A favorable structure for producing medium-voltage switchgears in general for primary and secondary power supply systems while reducing expenses, the additional contact point is also configured as a bearing point for the movable switching contact, the movable switching contact is alternatively mounted on the additional contact point rather than on the first contact point, and the additional contact point is alternatively connected to the outgoing cable rather than to the terminal at the busbar end. | 09-11-2008 |
| 20080217154 | Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece - A contact assembly for a grounding switch or circuit breaker includes a first and second contact piece. The two contact pieces can be displaced in relation to one another. At least one of the contact pieces is allocated to a limiting element, which restricts a deflection of the contact piece transversely to the displacement path. When closed, the limiting element connects the second contact piece to a support element. | 09-11-2008 |
| 20080257703 | Diverter Switch, a Method for Operating Such a Switch and Use of Such a Switch - The invention relates to a diverter switch with an operating member and an electric circuit. The electric circuit has a main branch ( | 10-23-2008 |
| 20080314724 | High Voltage Switch Configuration - A high-voltage switch configuration having a subdivision housing, which is supported on a frame by an insulating supporting housing, and having a switch which is fitted to this subdivision housing and has an insulator, a switching chamber surrounded by the insulator, and disconnectible contacts which are accommodated in the switching chamber. The switch can be switched via a switching linkage that can be operated by a drive and is arranged within the supporting housing and the subdivision housing. At least three switches are attached to the subdivision housing, and each switch has a separate associated switching linkage with a separate drive. | 12-25-2008 |
| 20090095610 | METHOD AND DEVICE FOR MAINTENANCE OF HIGH-VOLTAGE SWITCHGEAR WITH VOLTAGE - Method for maintenance of high-voltage switchgear/fuses in an installation, which method is performed while the switchgear/installation is under operation/voltage. It is further provided a device for carrying out the method, which device includes screening plates | 04-16-2009 |
| 20090166168 | GROUNDING SWITCH - A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact. | 07-02-2009 |
| 20090194403 | HEAVY-DUTY CIRCUIT BREAKER WITH A HOUSING - A heavy-duty circuit breaker has a housing with a longitudinal housing axis and a contact arrangement disposed in the housing. The contact arrangement is conductively connected to a first electrical lead fed through the housing and a second electrical lead fed through the housing. The housing comprises a first housing part and a second housing part. The first electrical lead is fed through the first housing part, and the second electrical lead through the second housing part. The two housing parts are connected together so as to be rotatable in opposite directions about the longitudinal housing axis. | 08-06-2009 |
| 20090266695 | SWITCH FOR A SWITCHGEAR ASSEMBLY FOR POWER SUPPLY AND DISTRIBUTION - A switch for a switching unit for energy supply and distribution includes a first connection and a second connection, each with a cylindrical bolt. The bolts are axially adjacent one another and spaced apart. An annular sleeve with an inner diameter larger than the diameter of the bolts, is arranged in such a way that it can be axially displaced on the bolt of the first connection, and partially on the bolt of the second connection. At least a first contact element is arranged between the surface of the bolt of the first connection and the inner surface of the annular sleeve. At least a second contact element is arranged and constructed in such a way that it can be positioned between the surface of the bolt of the second connection and the inner surface of the annular sleeve. The switch has an annular third connection, the inner diameter of which is greater than an outer diameter of the annular sleeve, and which is arranged such that the sleeve can be shifted between the bolts of the first connection and the annular third connection. At least a third contact element is arranged and constructed in such a way that it can be positioned between the inner surface of the annular third connection and the outer surface of the annular sleeve. | 10-29-2009 |
| 20100170774 | SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK - A switching pole for a high-voltage network has a switching unit disposed in a switching pole housing. The switching unit includes a fixed contact and a movable contact. An input connector on a fixed contact side is connected to an output connector on the movable contact side in an electrically conductive manner in the switched-on position of the switching unit. In order to be able to simultaneously connect a current sensor and a voltage sensor to one of the connectors while maintaining breakdown safety, an arrangement of the current and voltage sensors is provided at a circumferential distance from each other on the circumferential wall of the switching pole housing, which prevents partial discharges. | 07-08-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20120181156 | GAS-INSULATED HIGH-VOLTAGE SWITCHING SYSTEM - A gas-insulated high-voltage switching includes a housing having a switch module including an actuator, a control module, a cable outlet, a transformer, a circuit breaker, and a grounding switch. The circuit breaker and the grounding switch are spatially and structurally separated from one another and may be operated by a common actuator. | 07-19-2012 |
| 20120285806 | SWITCHING DEVICE AND RELATED SWITCHGEAR - Exemplary embodiments are directed to a switching device that connects and disconnects a power line to and from, respectively, at least an associated electrical load. The switching device includes at least one phase of the switching device having a housing that includes a movable contact configured to be coupled to and separated from a corresponding fixed contact, wherein the at least one phase of the switching device includes an electrically semiconducting assembly having an insulating support operatively associated with a plurality of semiconductor devices, wherein said plurality of semiconductor devices are connected in series and are electrically connected to said fixed contact and to said movable contact, and wherein said semiconducting assembly is configured to be installed into said housing to surround at least a portion of at least one of said fixed contact and said movable contact when it is coupled to the fixed contact. | 11-15-2012 |
| 20130037399 | FOLDING HIGH VOLTAGE ELECTRIC POWER SWITCH - A folding high voltage electric power switch that can be fully assembled, tested and adjusted at the factory and then folded for shipping on a road truck with minimal disassembly. The switch can then be readied for installation with minimal field assembly largely limited to unfolding and securing support beams and struts. The switch includes a number of phase insulators (i.e., two phase insulators for a 2-way switch and three phase insulators for a three-way switch), a central switch insulator and a number of blade arms, each selectively connecting an electric power tap at the central insulator to an electric power tap at a respective phase insulator. The platform includes structural beams and struts that easily fold for transportation and unfold for installation in the field while the beams, struts, insulators and blade arms remain attached together. | 02-14-2013 |
| 20130056339 | ELECTRICAL CUT-OFF DEVICE WITH HIGH MAKING CAPACITY - An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set ( | 03-07-2013 |
| 20130118874 | DISCONNECTOR, PARTICULARLY OF THE DOUBLE-BREAK DOUBLE-MOVEMENT TYPE - A disconnector, including a crossmember, which has contact pins at its opposite ends, C-shaped contact sockets, which are aligned so as to correspond to the pins in order to receive them by insertion, along a trajectory that is circumferential with respect to a first rotation axis of the crossmember, which is substantially transverse thereto, a support of the crossmember that defines for it the first rotation axis, and a second rotation axis, which is substantially longitudinal to the crossmember, elements for the rotation of the crossmember about the first rotation axis and about the second rotation axis, where fixed contacts are connected electrically, in two separate regions, to supporting arms that belong to the sockets, and have a portion that is intermediate with respect to the two regions, is adapted for contact with the moving contacts, and divides the fixed contacts into two opposite conducting arms. | 05-16-2013 |
| 20130146433 | ELECTRICAL CONTACT ARRANGEMENT AND AIR INSULATED MEDIUM VOLTAGE CIRCUIT BREAKER INCLUDING THE ELECTRICAL CONTACT ARRANGEMENT - An electrical contact arrangement for medium to high voltage applications includes a contact arm having a distal end section on which a circular shaped annulus arrangement having several axially and parallel directed contact fingers is arranged. The contact fingers are pressed on the contact arm via respective radially directed connection sections by a spring ring which is peripherally arranged around the contact fingers. The distal end section of the contact arm includes a first ring-shaped surface and an adjacent second ring-shaped surface, so that the connection section of each contact finger is pressed to at least both the first and second ring-shaped surfaces. | 06-13-2013 |
| 20130228431 | Electrical Interface Interlock System - A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being applied to the HV circuit. If, however, the HV lines are properly positioned within the interface housing, the levers of the lever assembly automatically retract, thus allowing the interface cover to be fully installed onto the interface housing. In this state, the interface cover closes the HV interlock loop switch, thus closing the HV interlock loop and allowing power to be applied to the HV circuit. | 09-05-2013 |
| 20130228432 | REMOVABLE SHED SLEEVE FOR SWITCH - A housing for a high voltage electrical switch includes a tubular body having a top portion and a bottom portion opposite the top portion and removable shed sleeves. A first shed sleeve is removably attached to an outside surface of the top portion, such that an interior surface of the first shed sleeve forms a dielectric interface between the outside surface of the top portion and the interior surface of the first shed sleeve. A second shed sleeve is removably attached to an outside surface of the bottom portion, such that an interior surface of the second shed sleeve forms a dielectric interface between the outside surface of the bottom portion and the interior surface of the second shed sleeve. The first and second shed sleeves are stretched over their respective portions of the tubular body and secured via an interference fit. | 09-05-2013 |
| 20130270087 | Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker - Linkage structure is provided for connection between an operating mechanism and at least one actuating assembly of a circuit breaker for opening and closing a movable electrical contact of a pole assembly associated with the actuating assembly. The linkage structure includes at least one lever constructed and arranged to connect with the at least one actuating assembly. At least one connection rod is coupled to the lever and associated with a close spring for closing the electrical contact. At least one spring structure is coupled to the lever. The spring structure includes at least one open spring providing a spring force on the lever for opening the electrical contact while maintaining the connection rod in tension. | 10-17-2013 |
| 20130270088 | Guide Structure For Raising Control Cabinet Of A High Voltage Dead Tank Circuit Breaker To A Shipping Position - A pole and actuating assembly for a circuit breaker includes a support frame, a plurality of pole and actuating members carried on the support frame, cabinet movably coupled with respect to the support frame, and guide structure between the support frame and the cabinet. The guide structure is constructed and arranged to permit guided, generally vertical movement of the cabinet with respect to the support frame so that the cabinet can be moved between an installation position wherein a bottom surface of the cabinet is on a plane different from a plane of the support frame, and a travel position wherein the bottom surface of the cabinet is on generally the same plane as the support frame. | 10-17-2013 |
| 20130270089 | Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker - A linkage and operating assembly is provided for a dead tank circuit breaker. The circuit breaker has a plurality of pole assemblies and an actuating assembly associated with each pole assembly for opening and closing a movable electrical contact of the associated pole assembly. The linkage and operating assembly includes a linkage module having a plurality of drive structures. Each drive structure has a portion constructed and arranged to be removably coupled to an associated actuating assembly. An operating mechanism is coupled with the linkage module for causing movement of the drive structures substantially simultaneously. When the portions of the drive structures are decoupled from the associated actuating assemblies, the linkage module together with the operating mechanism is constructed and arranged to be removed as a single unit from the circuit breaker. | 10-17-2013 |
| 20130306454 | MOLDED CASE CIRCUIT BREAKER - A circuit breaker includes a housing and a line strap at least partially disposed within the housing. The line strap has a top surface and an opposing bottom surface, a first side surface and an opposing second side surface. A line strap insulator is positioned within the housing and has a first sidewall and a second sidewall. Each of the first sidewall and said second sidewall extend from a point above said line strap top surface to a point below said line strap bottom surface. The line strap insulator is fabricated from an electrically insulative material. | 11-21-2013 |
| 20140083831 | Cable Termination Systems and Isolating Apparatus for Electrical Power Transmission Conductors and Methods Using the Same - A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member. | 03-27-2014 |
| 20140083832 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor. | 03-27-2014 |
| 20140110235 | Dual Current Path For High Rated Currents - A circuit breaker is disclosed. The circuit breaker includes a first current path section and a second current path section. At least one of the first and second current path section includes a first current path section member and at least one second current path section member. The at least one second current path section member is arranged in spaced relation to a surface of the first current path section member. The at least one second current path section member is electrically coupled with the first current path section member via at least a first coupling surface portion of the surface of the first current path section member. | 04-24-2014 |
| 20140116866 | MOLDED CASE CIRCUIT BREAKER WITH LARGE CAPACITY - A molded case circuit breaker comprises: a plurality of stationary contact arms; a plurality of movable contact arms each having a plurality of contact arm pieces; a switching mechanism providing a driving force to move the movable contact arms to a closing position or an opening position; a driving shaft configured to provide a driving force for simultaneously rotating the movable contact arms; a link configured to transmit a driving force; a holder configured to rotate the movable contact arms; an upper arc barrier configured to prevent arcs from moving to a rear side from an upper side of the movable contact arms; and a torsion spring having one end portion contacting upper surface of the movable contact arms on the opening position, so as to provide an elastic force to the movable contact arms such that the movable contact arms are rotated to the closing position. | 05-01-2014 |
| 20140246298 | HIGH VOLTAGE SWITCHING DEVICE - An exemplary HV switching device includes a casing having at least a first fixed contact and a second fixed contact that are spaced apart from each other and can be connected to two corresponding power terminals. A first movable contact and a second movable contact are spaced apart from each other and actuated for coupling the first fixed contact and the second fixed contact, respectively. At least one of the first fixed contact and first movable contact has a shape for coupling the first movable contact to the first fixed contact in at least a first coupling position and a second coupling position which are spaced apart, and at least one of the second fixed contact and second movable contact has a shape for coupling the second movable contact to the second fixed contact in at least a third coupling position and a fourth coupling position which are spaced apart. | 09-04-2014 |
| 20140346023 | AUTOMATED GROUNDING DEVICE WITH VISUAL INDICATION - A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller. | 11-27-2014 |
| 20150083563 | WORKING CYLINDER FOR A DRIVE OF AN ELECTRIC CIRCUIT BREAKER - An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. The thrust ring compresses mechanical springs in the mechanical resilient energy storage device by way of a storage piston in a storage module. | 03-26-2015 |
| 20160042892 | SAFETY SYSTEM FOR HIGH VOLTAGE NETWORK GROUNDING SWITCH - The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to updated IEEE/ANSI Standards, while still fitting into existing vault space meant to accommodate earlier switch gear. | 02-11-2016 |
| 20160203929 | BYPASS SWITCH FOR HVDC TRANSMISSION | 07-14-2016 |
| 20090173612 | Rotational stabilizer - An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position. | 07-09-2009 |
| 20100155212 | ISOLATING APPARATUS FOR ELECTRIC POWER LINES AND METHODS FOR FORMING AND USING THE SAME - An isolating apparatus for an electric power line includes an elongate insulator having opposed insulator ends and a pair of electrically conductive end members each secured to a respective one of the insulator ends. At least one of the end members includes a mounting slot that receives its respective one of the insulator ends. | 06-24-2010 |
| 20130092517 | Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor - The invention relates to a conductor for electrical equipment, including at least two electrically-conductive material support elements spaced apart from each other along a longitudinal axis (Y) and at least four electrically-conductive material structural sections elongate along the longitudinal axis (Y), curved transversely to the longitudinal axis, and supported by the support elements;
| 04-18-2013 |
| 20140048396 | High-Voltage Disconnection Knife for Outdoor Use With Air Insulation - A high-voltage disconnection knife insulated by air for external use in high-voltage electrical transmission and distribution networks, the disconnection knife includes two copper arms for the disconnection or contact, mounted in a parallel relation to each other, a front and rear contact base, a turning support in the vicinity of the rear base such that the arms turn at one of its ends about an axis perpendicular to them, a central copper block for distribution of the current flowing through the copper arms; the distance between the arms is defined by the set of stainless steel axes, the copper block and the turning mechanism. At the ends of the disconnection arms an aluminum spring of with transverse section of gradually reduced thickness is connected to the external surface, said spring being fixed to the ends of the arms by means of a pair of stainless steel axes. The front and rear L-shaped bases are formed by the bending of a copper sill with rounded edges to define an area of contact. | 02-20-2014 |
| 20080217152 | HIGH-VOLTAGE CIRCUIT BREAKER AND SWITCH ARRANGEMENT - The disclosure relates to an electrical switching device, e.g., a high-voltage switch, with a mantle-side electrical connection. According to the disclosure, an encapsulated angle disconnector is fitted between the mantle-side electrical connection and the outdoor bushing or an outgoing cable, by means of which angle disconnector the electrical connection is deflected in the disconnector plane, e.g., toward the vertical in the operating position of the switching device. Exemplary embodiments relate, inter alia, to: a horizontal electrical connection and a, 90° disconnector; an additional tilting angle (β) of the angle disconnector about the disconnector input axis; a plurality of mantle-side horizontal electrical connections with associated angle disconnectors, which are tilted away from one another. | 09-11-2008 |
| 20160055997 | SELF-DEICING LIGHTWEIGHT CONDUCTOR - The invention relates to a conductor ( | 02-25-2016 |
| 20160064168 | AIR BREAK ELECTRICAL SWITCH HAVING A BLADE TOGGLE MECHANISM - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 03-03-2016 |
| 20130153385 | HIGH-CURRENT SWITCHING ARRANGEMENT - An exemplary high-current switching arrangement in a generator duct arranged between a generator and a transformer is disclosed. This arrangement includes a pole frame which can be positioned on a base surface, a breaker pole of a generator circuit-breaker which is secured to the pole frame, and a drive which is secured to the pole frame. The breaker pole includes an active component arranged along an axis designed for the conduction and interruption of high currents and which incorporates a power switching point, with two axially spaced current terminals. The drive is arranged on a first of two end faces of the pole frame, and includes a linkage mechanism that transmits power from the drive to the power switching point. | 06-20-2013 |
| 20130270086 | Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker - A pole and actuating assembly for a circuit breaker includes a frame, a plurality of pole and actuating members including a pair of outer pole and actuating members fixed to the frame and a center pole and actuating member disposed there-between and rotatably fixed with respect to the frame. The center pole and actuating member, in an installation position, has a vertical height greater than a vertical height of each of the outer pole and actuating members. Bracket structure is coupled to the frame to permit rotation of the center pole and actuating member to be disposed securely at an acute angle with respect to the frame, thereby reducing the vertical height of the center pole and actuating member in a travel position thereof. | 10-17-2013 |
| 20150101915 | HIGH VOLTAGE SWITCH BLADE CLOSING DETECTOR - A blade closing detector for an electric power switch includes a blade closing detector and an electronic or visual indicator. A first type of detector uses a gravity switch and a magnetic pickup to detect proper engagement between the blade and the switch. A second type of detector uses a sliding latch with a visual indicator rod to provide a visual indication of proper engagement of the blade within the jaws. A third type of detector uses a magnetic switch with a pivot arm and a dome shaped visual indicator. These detectors may be deployed individually or in combination and may be augmented with communication equipment to transmit switch status to a remote location. It will be understood that specific embodiments may include a variety of features in different combinations, as desired by different users. | 04-16-2015 |
| 20090218208 | DISCONNECTOR AND A SUPPORT INSULATOR THEREFOR - A disconnector for interrupting a current path on a voltage of at least 100 kV with respect to earth. Two groups of elongated post-like support insulators are adapted to rest on the ground and support an end of a conductor each on a high level above the ground. A disconnector arm is connected to one or both of the conductor ends and is moveable for connecting and disconnecting these conductor ends. At least the external parts of the support insulators are made of a hydrophobic rubber composite insulating material. | 09-03-2009 |
| 20130284575 | Air Break Electrical Switch Having a Blade Open/Closed Indicator - An electrical switch includes a pivotally supported blade, a toggle mechanism, and an operating mechanism. The operating mechanism is drivable in a first direction to pivot the blade about a first axis and toward a closed blade position. When pivoting toward the closed blade position, the toggle mechanism inhibits the blade from pivoting about a second axis. Upon reaching the closed blade position, continued motion of the operating mechanism in the first direction causes the toggle mechanism to pivot the blade about the second axis toward a closed contact position. In the closed contact position, the blade contacts at least one blade contact to electrically connect the blade and a first electrical terminal. | 10-31-2013 |
