Class / Patent application number | Description | Number of patent applications / Date published |
361611000 | Busbar arrangements | 63 |
20080259532 | Switchgear Bus Support System and Method - Apparatus, method, and system for rigidly supporting a switchgear bus assembly through the use of one or more support plates, thereby providing the primary support for the other active modules and bushings. | 10-23-2008 |
20090116174 | Switchgear Cabinet Assembly or Rack Assembly - A switchgear cabinet assembly or rack assembly including an electric supply device that can be or is connected to a primary power supply. Equipment that is housed in at least one switchgear cabinet or rack on the user side, or equipment that is to be supplied with electricity can be or is connected to the electric supply device. To achieve simple and reliable connection options, a sub-distribution device is located in the switchgear cabinet or rack or in a separate cabinet or rack. The device has at least one sub-distribution unit that can be or is connected to the primary power supply, having a housing or frame and being retained and secured by a mounting unit. According to this invention, the sub-distribution unit can be or is connected to primary supply lines that lead to the primary power supply and to pre-fabricated connection lines that lead to the rack. | 05-07-2009 |
20090116175 | ELECTRICAL ENCLOSURE AND SUPPORT ASSEMBLY THEREFOR - A support assembly is provided for an electrical enclosure including a housing having first and second opposing sides, electrical bus members, and at least one electrical switching apparatus, such as a circuit breaker. Each of the electrical bus members is electrically connectable to a corresponding one of the circuit breakers. The support assembly includes at least one support member having first and second opposing ends, first and second opposing edges, and a plurality of apertures extending from the first edge toward the second edge and receiving the electrical bus members. A fastener assembly supports the support member(s) between the first and second sides of the housing. Each support member extends only a portion of the width between the first and second sides of the housing, and supports the electrical bus members, without being attached to the housing at a location between the first and second sides thereof. | 05-07-2009 |
20090213532 | Electrical Switchgear Assembly - The invention relates to an electrical switchgear comprising at least one panel, especially for low voltage, a device compartment especially for receiving inserts, switching devices, control devices, and similar, a busbar compartment in which the busbars are accommodated in a horizontal direction, a multi-terminal busbar compartment in which the multi-terminal busbars extend vertically, and at least one wire compartment. The wire compartment for control wires and signal wires is located on one side of the panel while the wire compartment for power wires is placed on the other side of the panel. | 08-27-2009 |
20100027196 | CONTROL BOX ARRANGEMENT - A control box arrangement including at least one control box which is sub-divided, or which can be sub-divided, into a plurality of cuboid compartments, including functional compartments, by wall sections, where vertical wall sections with a horizontal sub-division are provided. A collecting bar arrangement including a distributing bus bar arrangement guides the current, in order to supply electrical energy to appliance components which are arranged in the functional compartments accessible from the front side. An advantageous arrangement of functional compartments and the energy supply of components received therein is achieved by the distribution buses of the distributing bus bar arrangement are guided through a plurality of vertical functional compartments arranged one above the other and separated by horizontal partition bottoms, are mounted inside the compartments, and covered in a protected manner. | 02-04-2010 |
20100271759 | ELECTRICAL SWITCHGEAR, PARTICULARLY FOR CONNECTING GENERATORS AND THRUSTERS IN DYNAMICALLY POSITIONED VESSELS - An electrical switchgear ( | 10-28-2010 |
20110058311 | VACUUM INSULATED SWITCHGEAR - The vacuum insulated switchgear includes a housing enclosing a control compartment, a switch compartment, and a busbar compartment, each of the three compartments being partitioned by a metallic earthing plate; a first busbar and second busbar extended from an adjacent panel, in the busbar compartment; and a first busbar-connecting bushing and second busbar-connecting bushing making the first and second busbars connectible/disconnectible; a double-breaking three position vacuum switch, two sets of earthing switches, the first busbar-connecting bushing, and the second busbar-connecting bushing being integrally molded to form a switch provided on an electrical phase-by phase basis independently, wherein the switches for three phases are arranged in order side by side in the housing. | 03-10-2011 |
20110199717 | ELECTRIC POWER DISTRIBUTION ARRANGEMENT AND A SWITCHGEAR PROVIDED THEREWITH - An electric power distribution arrangement having an electric conductor for carrying a high voltage, a first pair of bodies provided on opposite sides of the conductor as seen in a first direction cross-wise to a longitudinal axis of the conductor, and a second pair of bodies provided on opposite sides of the conductor as seen in a second direction cross-wise to the longitudinal axis. The bodies of the first and second pair of bodies are arranged to be electrically disconnected from the conductor, and the spacing between the bodies of the first pair is larger than the spacing between the bodies of the second pair. At least one of the bodies of at least one of the first and second pair comprises a second current conductor, and at least one of the bodies of at least one of the first and second pair comprises a wall element of an encapsulation inside which the conductor is arranged. In a region in which the conductor is surrounded by the first pair and second pair, the conductor has a substantially oval or substantially elliptical shaped outer periphery, and the cross section of the conductor has a larger dimension in the first direction than in the second direction. | 08-18-2011 |
20110261506 | Electrical switchgear, in particular switchgear for medium voltage - Described is a distribution panel for electrical switchgear, in particular for medium-voltage distribution switchgear. The distribution panel is provided, in at least one embodiment, with at least one bus bar and at least one transfer rail, wherein the bus bar is connected via a circuit breaker to an outlet terminal and wherein the transfer rail is also connected to the outlet terminal. The circuit breaker, in at least one embodiment, is housed inside a circuit breaker housing and the transfer rail and the electrical connection from the transfer rail to the outlet terminal are arranged so as to bypass the circuit breaker housing. | 10-27-2011 |
20110304956 | SWITCHGEAR FOR UNDERGROUND ELECTRIC POWER DISTRIBUTION LINE - A switchgear for a ground distribution line includes a base frame, vacuum switch units each installed on the base frame and configured by laying a first vacuum interrupter and a second vacuum interrupter within an epoxy resin mold, the first vacuum interrupter opening or closing a main circuit between a power source side and a load side and the second vacuum interrupter opening or closing a ground circuit, a main circuit interface protruding from one side of each vacuum switch unit, and a phase connector interface protruding from the other side of each vacuum switch unit in the same direction as the main circuit interface. | 12-15-2011 |
20120008256 | SWITCH ARRANGEMENT FOR AN ELECTRICAL SWITCHGEAR - A switch arrangement for an electrical switchgear comprising a first bus, a second bus and a load connection. The switch arrangement comprises a breaker; wherein said breaker is moveable in said switchgear between a first position and a second position, such that in use, when said breaker is in said first position and closed it electrically connects said first bus to said load connection, and when said breaker is in said second position and closed it electrically connects said second electrical bus to said load connection, with said first electrical bus disconnected from said load connection. | 01-12-2012 |
20120033351 | MOTOR CONTROL CENTER AND BUS ASSEMBLY THEREFOR - A bus assembly is provided for a motor control center (MCC). The MCC includes an enclosure, an electrical switching apparatus, such as a circuit breaker, which is removably coupled to the enclosure, and at least one subunit. The bus assembly includes a horizontal bus, a number of vertical buses, and a number of short circuit protective devices (SCPDs), such as fuses or circuit breakers. The horizontal bus is electrically connected to the circuit breaker, each vertical bus electrically connects a corresponding subunit to the horizontal bus, and each SCPD is disposed between the horizontal bus and a corresponding one of the vertical buses. The SCPDs reduce the peak current level and arc flash energy experienced by the subunits, and relatively quickly clear the arcing event. | 02-09-2012 |
20120044616 | SWITCHGEAR - A switchgear includes a chassis which is partitioned by metal earthed plates and includes a bus bar section located at a central portion, a switch section located below the bus bar section, a cable section located at a rear surface side, and a control section located at a front surface side; an air-insulated earthed disconnecting switch provided in the switch section; and a manipulating device. The switch section is separable from the chassis, and is configured as a case having a semi-closed structure which allows air to pass therethrough but prevents particles of oil and water from passing therethrough. | 02-23-2012 |
20120063064 | POWER DISTRIBUTION SYSTEM, AND ELECTRICAL BUS ASSEMBLY AND ELECTRICAL CONDUCTOR MECHANISM THEREFOR - An electrical conductor mechanism is provided for an electrical bus assembly of a power distribution system, such as a residential load center, which includes a number of electrical switching apparatus, such as circuit breakers. The electric conductor mechanism includes at least one planar member having first and second opposing sides. The first side is attached to a corresponding stab of the electrical bus assembly. The second side is electrically connected to a corresponding one of the circuit breakers, thereby electrically connecting it to the stab of the electrical bus assembly. An electrical bus assembly and a power distribution system employing the aforementioned electrical conductor mechanism are also disclosed. | 03-15-2012 |
20120314340 | OPTIMALLY SHAPED BUS CONNECTOR - Power connectors and switchgear assemblies are presented herein. A power connector is disclosed for electrically coupling a circuit breaker to an electrically conductive bus bar. The connector includes a fork-shaped head for electrically connecting to the circuit breaker, and a base for electrically connecting to the bus bar. A yoke extends between and connects the base to the fork-shaped head. The yoke has a transverse cross-section with a length that is greater than a width. The length and/or width of the transverse cross-section varies between respective ends of the transverse cross-section. | 12-13-2012 |
20130044407 | SOLID INSULATED SWITCHGEAR - A solid insulated switchgear having at least one circuit switches for switching a three-pole AC circuit includes a plurality of bus-bars for pole. Each of the bus-bars for pole being providing correspondingly for each pole comprises a ring-shaped bus-bar portion electrically connecting the arc extinguishing mechanisms for the same pole, and each having an internal electrical conductor portion and an external solid insulated mold portion in which the conductor portion is built; and a plurality of extended connecting portions respectively extended from the ring-shaped bus-bar portion while being space apart from one another in a circumferential direction so that the plurality of circuit switches are connected in the state in which the plurality of circuit switches are separated from one another. | 02-21-2013 |
20130114185 | SWITCHGEAR BUS ASSEMBLY HAVING REDUCED POWER LOSS, MATERIAL AND TEMPERATURE - Electrical switchgear comprising electrical switching equipment for a multi-phase electrical power distribution system, a supporting structure for a bus assembly for supplying electrical current to the switching equipment, and a plurality of spaced buses mounted on the supporting structure each for connecting the switching equipment to respective phases of the multi-phase electrical power distribution system. Each bus comprises a plurality of substantially co-planar, spaced, elongated flat conductors arranged with at least one longitudinal edge surface of each conductor in that bus opposed to and spaced from a longitudinal edge surface of another conductor in that same bus, and a connector at each end of said conductors for connecting the plurality of flat conductors in each bus to each other. | 05-09-2013 |
20130188296 | Material And Coating For Interconnector Busbars - In one embodiment, an electrochemical system includes an interconnector busbar including a substrate and a coating contacting the substrate, the coating including a layer of electroplated elemental nickel. | 07-25-2013 |
20130279082 | BUSBAR CONNECTION SYSTEM, SWITCHGEAR UNIT, AND METHOD OF TRANSPORTING SWITCHGEAR COMPONENTS - A busbar connection system for coupling a first busbar segment to a second busbar segment includes a mounting component defining a slot and configured to be coupled to the first busbar segment, a retaining component configured to be coupled to the second busbar segment, and a connecting member including a first end and an opposing second end. The first end is configured to be coupled to the mounting component and the second end is configured to be coupled to the retaining component. The busbar connection system also includes a pivot member configured to be operatively coupled to the first end and shaped to be received within the slot. The pivot member enables the connecting member to pivot about the mounting component. | 10-24-2013 |
20140002961 | SWITCHGEAR | 01-02-2014 |
20150124376 | SWITCHGEAR AND SWITCHGEAR ASSEMBLING METHOD - The present invention has an object to provide a switchgear capable of improving workability and a switchgear assembling method. The switchgear according to the present invention has: a plurality of switch units | 05-07-2015 |
20150333491 | ALTERNATIVE ENERGY BUS BAR BY PASS BREAKER - The present invention is directed, in part, to electrical components and methods of use associated with such components. In particular, the invention relates to an electrical device and improved method of back feeding energy generated from alternative energy devices such as solar panels, wind turbines, fuel cells, electrical generators and other alternative energy sources, to the utility without the necessity of installing a sub panel or replacing an existing panel, resulting in significant cost savings for the user and increased electrical energy available to the power grid. | 11-19-2015 |
20150372460 | ARC RESISTANT SHUTTERS - A connection system for connecting electrical devices to busses within a switchgear cabinet includes an independently movable shutter that slides along a bus bar, the shutter covering access to the bus bar in a disconnected position and allowing access in a connected position. The bus bar has an insulator cap covering its free end. The shutter is mounted to a spring-biased support. The shutter has an opening through which the bus bar passes. The shutter slides along the bus bar backwardly away from the insulator cap, in the connected position. The shutter slides forwardly along the bus bar toward the insulator cap, in the disconnected position. The insulator cap fits closely within the opening in the shutter to prevent access to the bus bar when in the disconnected position. The shutter can fit within arc attenuating phase barriers surrounding each bus bar and be constructed to be arc resistant. | 12-24-2015 |
20150372463 | SWITCHGEAR HOUSING INCLUDING A FLOATING EXHAUST FLAP ASSEMBLY - A switchgear housing assembly includes a first switchgear housing including a cable compartment portion and a circuit breaker portion, a busbar portion, and a second switchgear housing a cable compartment section, a busbar section, and a circuit breaker section. An exhaust duct is arranged between the first and second switchgear housings. The exhaust duct is selectively fluidically exposed to at least one of the cable compartment portion, cable compartment section, the circuit breaker portion, and the circuit breaker section. A floating flap assembly is operatively associated with at least one of the first and second switchgear housings. The floating flap assembly includes a floating flap member. The floating flap member is selectively slideable between a closed position and an open position in response to a pressure rise in one of the cable compartment portion, cable compartment section, circuit breaker portion, and circuit breaker section. | 12-24-2015 |
20160043532 | SWITCHGEAR HOUSING INCLUDING A PRESSURE RELIEF MEMBER - A switchgear housing includes a busbar portion having a busbar enclosure. A first circuit breaker portion is coupled to the busbar portion. The first circuit breaker portion includes a first circuit breaker enclosure. A second circuit breaker portion includes a second circuit breaker enclosure. A first pressure relief member is arranged in the busbar portion. The first pressure relief member is configured and disposed to guide gases associated with an arcing event from the busbar portion upward through the busbar portion. | 02-11-2016 |
20160141843 | SUBSEA SWITCHGEAR - A subsea switchgear is provided. The subsea switchgear includes a first power input for receiving electric power from a power source and a second power input for receiving electric power from a power source. It further includes a power distribution bus and a first circuit breaker coupled between the first power input and the power distribution bus. The first circuit breaker is configured to be capable of disconnecting the first power input from the power distribution bus. A second circuit breaker is further coupled between the second power input and the power distribution bus. The second circuit breaker is configured to be capable of disconnecting the second power input from the power distribution bus. | 05-19-2016 |
20160141845 | ELECTRICAL SYSTEM, AND CONNECTION DEVICE AND METHOD OF POWERING A SWITCHGEAR BUS IN AN ELECTRICAL SYSTEM - A connection device is for an electrical system. The electrical system has a powering apparatus, an electrical switching apparatus, and a switchgear bus. The electrical switching apparatus is coupled to the powering apparatus. The connection device includes: a mounting assembly having a panel and a support wall opposite the panel; an electrical transfer assembly including: a number of interconnect assemblies each having a load interconnect member, the load interconnect member being coupled to the panel and electrically connected to the powering apparatus; and a number of base assemblies each including: a number of stud members each coupled to the support wall. At least one of the number of stud members is electrically connected to the load interconnect member and electrically connected to the switchgear bus. | 05-19-2016 |
20160164268 | SWITCHBOARD APPLIED WITH BUSHING-TYPE CURRENT TRANSFORMER - A switchboard applied with a bushing-type current transformer includes a terminal bushing inserted from a front direction, a switchboard terminal coupled to the terminal bushing, a metering current transformer bushing inserted from a front direction and inserted into the terminal bushing while wrapping the switchboard terminal, and a metering current transformer disposed outside the metering current transformer bushing and assembled or disassembled at a front surface through a circuit breaker chamber. Thus, the switchboard applied with a bushing-type current transformer has an advantage of having a high degree of internal space utilization or capable of being made to be compact. | 06-09-2016 |
20160190780 | BUS END ARC INTERRUPTER - Method and system for controlling and limiting the damage caused by arcs formed on exposed conductors in electrical distribution equipment involve using the tendency of an arc to move in a direction away from a current source and toward the terminal ends of the conductors. An arc interruption device, or arc interrupter, is placed over the terminal ends of the conductor to capture the arc as it travels toward the terminal ends of the conductors. Within the arc interrupter, the shape of the arc is conformed to geometries designed to stretch and extend the arc to the point where it can no longer be sustained and is extinguished. | 06-30-2016 |
20160197459 | MEDIUM VOLTAGE SWITCHGEAR WITH FRONT ACCESSIBILITY OF CURRENT TRANSFORMERS MOUNTED EXTERNAL TO A REAR OF A CIRCUIT BREAKER COMPARTMENT | 07-07-2016 |
361612000 | Gas insulated | 26 |
20090015991 | Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts - The invention relates to a gas-insulated switchgear, particularly a gas-insulated medium-voltage switchgear, according to claim | 01-15-2009 |
20090116176 | GAS-INSULATED ELECTRIC POWER APPARATUS - The present invention provides a gas-insulated electric apparatus which includes: a vertically-arranged gas insulation main tank; a first gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a second gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a breaker manipulator which is arranged on an upper side of the main tank, a feeder-side current transformer which is incorporated in the first gas insulation branch pipe; a voltage transformer arranged on the first gas insulation branch pipe; and an arrestor arranged on the first gas insulation branch pipe and connected with the feeder. | 05-07-2009 |
20090141430 | Gas-Insulated Switchpanel of a Medium-Voltage Switchgear Assembly - A gas-insulated switchpanel of a medium-voltage switchgear assembly includes busbar connection and cable outlet regions with a manually actuable switch arrangement having a contact position, with a conductive connection from the busbar connection region to the cable outlet region via the switch arrangement and a vacuum contactor, driven by a magnet, and a grounding position, in which the cable outlet region and the vacuum contactor are grounded by the switch arrangement. The vacuum contactor switches a current between the busbar connection region and the cable outlet region in the contact position and the switchpanel has a relatively high current-carrying capacity. The switch arrangement grounding and isolatinges switch mechanically coupled to one another and actuable by a single drive. In the contact position, the isolating switch forms the conductive connection and, in the grounding position, the grounding switch connects the vacuum contactor and the cable outlet region with a grounding contact. | 06-04-2009 |
20090154069 | GAS-INSULATED POWER APPARATUS - A gas-insulated power apparatus comprising a vertically arranged gas-insulated circuit breaker included in a vertically arranged gas-insulated main tank, a first gas-insulated branch pipe connected to one side of an upper portion of the gas-insulated main tank substantially orthogonal to a direction of extending the gas-insulated main tank and leading out a feeder from a movable side of the gas-insulated circuit breaker, and a second and a third gas-insulated branch pipes which are respectively connected to both sides in a peripheral direction of a lower portion of the gas-insulated main tank substantially orthogonal to the direction of extending the gas-insulated main tank, one of which connects a fixed side of the gas-insulated circuit breaker to one gas-insulated Y bus of gas-insulated double buses and other of which connects the fixed side of the gas-insulated circuit breaker to other gas-insulated X bus of the gas-insulated double buses, respectively, by which a gas-insulated power apparatus having a structure in which although a width thereof is more or less widened, a height thereof is hardly changed and which is stable can be realized. | 06-18-2009 |
20090237869 | SWITCHGEAR - Switchgear having a vacuum-insulated switchgear | 09-24-2009 |
20090237870 | GAS-INSULATED SWITCHGEAR - A gas-insulated switchgear is provided, which can be made smaller and causes less increase in length in the circuit direction, by means of an improvement to the layout configuration of the operating rod of a bus-use grounding switch. Operating rods of bus-use grounding switches are vertically disposed so as to be substantially perpendicular to the buses, and operating devices are disposed along an extension of the operating rods, respectively. Bus-use voltage transformers are horizontally disposed in such a manner that they vertically overlap each other, and are respectively connected in the circuit breaker direction of the buses. | 09-24-2009 |
20090268379 | Gas-Insulated Switchgear - In a gas-insulated switchgear provided with three-phase main bus bars consisting of single-phase bus bars arranged in parallel with one another and three-phase circuit breakers that are arranged in parallel with one another in a direction perpendicular to the main bus bar and each have two connecting terminals that are spaced a predetermined distance apart from each other, the main bus bars are arranged between two connecting terminals of each of the circuit breakers. | 10-29-2009 |
20090296320 | Gas-insulated medium-voltage switchgear assembly - The invention relates to a gas-insulated medium-voltage switchgear comprising circuit breakers, disconnectors, and earth electrodes according to the preamble of patent claim | 12-03-2009 |
20090316339 | Connection Switchpanel for Medium-Voltage Switchgear - A connector switchpanel for medium voltage switchgear assemblies includes first and second feed devices connected together by conductors with a busbar branch on a connector. Disconnectors disconnecting the conducting connection and disconnecting the busbar branch and grounding contacts are provided. An improved compact construction and simplified operation are provided due to the connector switchpanel being a gas-insulated switchpanel and each of the first and second feed devices being connected by a three-position switch to the busbar branch with contact, disconnecting and grounding positions. | 12-24-2009 |
20100118472 | GAS INSULATED SWITCHGEAR - A power transmission/reception line circuit breaker includes a vertical-type first circuit breaker tank and a plurality of branch lead-out ports arranged at an interval H. A busbar-side device is connected to each branch lead-out port other than an uppermost branch lead-out port to which a line-side device is connected and a busbar. A busbar link line circuit breaker includes a vertical-type second circuit breaker tank having a length shorter than that of the first circuit breaker tank by the interval H and a plurality of branch lead-out ports arranged at the interval H. A busbar-side device is connected to each of the branch lead-out ports. | 05-13-2010 |
20100134957 | Gas-Insulated Switchgear Apparatus - A gas-insulated switchgear apparatus includes a center conductor | 06-03-2010 |
20100165549 | GAS-INSULATED EQUIPMENT - A gas-insulated equipment such as a gas-insulated switchgear provided according to the invention can efficiently improve dielectric strength of an entire electrode system considering electric field distribution of the electrodes and conductors and improving insulation coordination so that miniaturization of the entire device can be achieved. The gas-insulated switchgear includes insulating gas sealed within an earth metal container and an insulating spacer insulating and supporting high-voltage receiving portions. Surfaces of shielding electrodes having a larger diameter than that of high-voltage conductors are covered with thick dielectric coatings, and surfaces of the high-voltage conductors are covered with thin dielectric coatings. | 07-01-2010 |
20100172069 | HIGH-VOLTAGE SWITCHGEAR - A metal-encapsulated, gas-insulated high-voltage switchgear assembly includes a three-phase encapsulated busbar housing, at least one busbar disposed in the housing, and at least three single-phase-encapsulated circuit breakers disposed horizontally. The assembly further includes a busbar splitting module having at least one three-phase connecting flange configured to connect to the busbar housing and at least three single-phase connecting flanges pointing downward configured to connect to the at least three single-phase-encapsulated circuit breakers and an outgoer splitting module having at least one three-phase flange and at least three single-phase flanges pointing downward and configured to connect the at least three single-phase-encapsulated circuit breakers to a three-phase-encapsulated outgoer housing. | 07-08-2010 |
20100195273 | VACUUM INSULATED SWITCHGEAR - A vacuum insulated switchgear is arranged as a panel for a power substation with the other or the others in parallel rows. the vacuum insulated switchgear comprises a housing with a switch section, a bus section, a cable section, and a control section which are partitioned by earthed metal plates respectively. The vacuum insulated switchgear comprises: a connection member provided in each bus connecting part in the bus section of the each panel and enabling each bus to be connected and disconnected; and a bus recovery member which is detachably connected between the connection members of faultless panels adjacent to a faulty panel when the faulty panel occurred. | 08-05-2010 |
20100238610 | GAS INSULATED SWITCHGEAR - Each integral unit is structured by arranging partial units (I), (II), and (Ill) side by side, while line-side devices are branched from positions between the partial units adjacent to each other. Each of the partial units is structured by connecting a current transformer and a disconnector in sequence to each of upper and lower outlets horizontally drawn out from a lateral face of a vertical-type circuit breaker in the same direction. Any two partial units positioned adjacent to each other are connected in series by connecting the disconnectors included therein with a connection bus. The line-side devices are positioned to oppose the circuit breakers while the disconnectors are interposed therebetween. The switchgear includes a plurality of integral units. Two ends of each of the integral units are respectively connected to two main buses that are provided in an upper position and a lower position while the disconnectors are interposed therebetween. | 09-23-2010 |
20100254073 | GAS INSULATED SWITCHGEAR - The object is to provide ring-bus-type gas insulated switchgear that ensures maintenance and inspection performance, reduces the installation space, and further reduces costs. Each of a plurality of breaker units is formed by connecting an instrument current transformer and a disconnector to each of the upper and lower branch ports drawn horizontally from the side surface of a vertical breaker in the same direction, and the breaker units are arranged in parallel. Adjacent disconnectors are connected to each other by a connection bus, so that the bus route runs alternately at upper and lower levels. Furthermore, the breaker units positioned at the two ends are connected linearly to each other by a communication bus. In addition, the line-side devices are arranged to face the corresponding breaker units across the disconnectors. | 10-07-2010 |
20100265635 | GAS-INSULATED SWITCHGEAR - A gas-insulated switchgear includes an electric conductor that is housed in a vessel that is sealed and filled with insulating gas, a current transformer that is housed in the vessel, which includes a coil wound around the electric conductor, an electric-field relaxing shield that is arranged in the vessel at a radially inward position relative to an inner side of the coil, and a dielectric insulating member that is arranged on an end portion of the electric-field relaxing shield. | 10-21-2010 |
20110299227 | GAS INSULATED SWITCHGEAR - A gas insulated switchgear includes: a center conductor that is arranged to extend horizontally in a tank; a cylindrical member that is arranged in the tank to surround a center conductor, and formed by curving a metal plate-like member into a cylindrical shape and then joining circumferentially opposed both ends of the plate-like member by welding to form a welding portion, the welding portion being located on a lower side of the cylindrical member; and a current transformer for instruments, through which the cylindrical member is inserted, the current transformer being supported by the cylindrical member, and being arranged to surround the center conductor. The welding portion includes a metal spacer sandwiched between the circumferentially opposed both ends of the plate-like member, and the spacer and the ends are welded to each other. | 12-08-2011 |
20120113568 | SWITCHGEAR ASSEMBLY MODULE AND SWITCHGEAR ASSEMBLY - A switchgear assembly module has a housing, which forms a common gas space for accommodating an insulating gas for the switchgear assembly module. The switchgear assembly module includes a busbar conductor arrangement having three busbar conductor sections, which are accommodated in the common gas space, an outgoing conductor connection group with three outgoing conductor openings and with three outgoing conductor sections, which extend from within the housing towards a respective one of the outgoing conductor openings, and three switch disconnectors, which each connect a respective one of the busbar conductor sections to a respective one of the outgoing conductor sections via a disconnection point. The disconnection point of a first one of the switch disconnectors is arranged on a first side of an outgoing normal plane and the disconnection point of a second one of the switch disconnectors is arranged on a second side of the outgoing normal plane. | 05-10-2012 |
20120293919 | HOUSING FOR A SWITCHGEAR ASSEMBLY MODULE, SWITCHGEAR ASSEMBLY MODULE AND SWITCHGEAR ASSEMBLY - A housing for a switchgear assembly module of a switchgear assembly forms a common gas space suitable for accommodating an insulating gas and three gas-insulated busbar nominal conductors of the switchgear assembly module. The housing includes three first busbar openings, which are arranged areally in a first opening plane and along a first straight line, three second busbar openings, which are arranged on a side, which is opposite the three first busbar openings, of the housing, and three outgoing conductor openings which are arranged areally in a second opening plane and along a second straight line. | 11-22-2012 |
20130100587 | GAS-INSULATED ELECTRIC DEVICE - A gas-insulated electric device, by which a cross-sectional area of a central conductor can be reduced. The gas-insulated electric device includes an insulation tube that ranges to portions facing to ground potential portions for a central conductor and to upper-lower portions along the grounding potential portions, and is coaxially arranged along the central conductor in a state where a gap intervenes between the central conductor and the insulation tube; a conductive layer that is formed on an inner surface of an insulation tube and is electrically connected to the central conductor; and a ground layer that is formed on an inner surface or an outer surface of the insulation tube and is grounded; in which heat generated from the central conductor is radiated by convecting the insulation gas through the gap between the central conductor and insulation tube. | 04-25-2013 |
20130148268 | GAS-INSULATED SWITCHGEAR ARRANGEMENT - A gas-insulated switchgear bay includes at least three circuit breakers, which define a longitudinal direction, for interrupting conductor phases at different electrical potentials. The circuit breakers each have a first and second power connection, which define a first and second axis extending orthogonally to the longitudinal direction. A first busbar section is attachable to the first power connection, and the first busbar conductors thereof, each define a third axis, which extends orthogonally to the longitudinal direction and the first axis. A second busbar section is attachable to the second power connection, and the second busbar conductors thereof, each define a fourth axis, which extends orthogonally to the longitudinal direction and the first axis. A first distance between the first and second axes is such that the fourth axis is arranged with respect to position and orientation on a common straight line with the third axis in the second mounting state. | 06-13-2013 |
20130250487 | SWITCH BAY FOR HIGH-VOLTAGE SWITCHGEAR ASSEMBLY, AND METHOD FOR INSTALLATION THEREOF - A switch bay for a high-voltage switchgear assembly includes three gas-insulated circuit breakers each for corresponding one of first, second and third current phases. The circuit breakers are arranged parallel to one another along an x direction. Three switch disconnectors are provided for a corresponding one of the first, second and third current phases. The switch disconnectors each have a corresponding isolating gap. The isolating gaps are arranged parallel to one another. A first busbar phase conductor section of the first current phase and a second busbar phase conductor section of the second current phase extend parallel to one another along a y direction, which runs transversely with respect to the x direction. A busbar connection is provided for connection of a third busbar phase conductor section of the third current phase. | 09-26-2013 |
20140118885 | STRUCTURE OF THREE-PHASE INTEGRATED BUS IN GAS INSULATED SWITCHGEAR - The present disclosure relates to a gas insulated switchgear (GIS), and more particularly, a structure of a bus in a GIS. A structure of a three-phase integrated bus in a GIS, in a bus of a gas insulated switchgear comprising an enclosure, three phase conductors inserted in the enclosure, and spacers coupled to both sides of the enclosure to fix the three phase conductors, is characterized in that the three phase conductors are arranged in a shape of inverted triangle, wherein a conductor located at a lower side, of the three phase conductors, is formed in a shape of straight pipe, and has a branch bus upwardly extending from its middle portion, and wherein each of two conductors located at an upper end of the inverted triangle, of the three phase conductors, has both side portions formed in a shape of straight pipe and a middle portion outwardly curved. | 05-01-2014 |
20150372461 | PASSIVE ARC CONTROL WITH SEQUESTERED PHASES IN A VERTICAL BUS SYSTEM OF A MOTOR CONTROL CENTER - A passive arc control system for a motor control center | 12-24-2015 |
20160134086 | GAS-INSULATED MEDIUM-VOLTAGE SWITCHGEAR ASSEMBLY - In order to develop a gas-insulated medium-voltage switchgear assembly, which has an encapsulated container for accommodating components of the medium-voltage switchgear assembly, a grounding contact and a grounding busbar terminal provided on the outer side of the container, such that it has a simple and economical design, it is proposed that the grounding contact is secured by integral bonding in a container opening and has the grounding busbar connection terminal. | 05-12-2016 |
361614000 | With plural removable control units in housing | 7 |
20080218946 | Bus-Bar and Connector - A bus-bar having a prismatic housing, an elongate conductor extending along a length of the housing, and a resilient retainer which extends along a length of the housing and retains the conductor in the housing is disclosed. | 09-11-2008 |
20090086414 | FREE-WHEELING CLUTCH FOR A MOTOR CONTROL CENTER SUBUNIT HAVING MOVEABLE LINE CONTACTS - A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power contacts may be advanced to engage supply power buses. For disconnection, the supply power contacts may be retracted and isolated from the buses before physical removal of the subunit. A free wheeling mechanism prevents supply power contacts from advancing and retracting past a preset travel range. | 04-02-2009 |
20090116177 | ELECTRICAL ENCLOSURE AND ELECTRICAL BUS ASSEMBLY THEREFOR - An electrical bus assembly for an electrical enclosure includes a single branch circuit with a plurality of branch circuit buses. First electrical bus members include first ends electrically connected to corresponding branch circuit buses, and second ends electrically connected to a first circuit breaker. Second electrical bus members include first ends electrically connected to corresponding branch circuit buses, and second ends electrically connected to a second circuit breaker. The single branch circuit provides electrical power to the first and second circuit breakers. The first electrical bus members extend in a first lateral direction with respect to the branch circuit buses, and the second electrical bus members extend in a second, opposite lateral direction. The electrical bus assembly enables the first circuit breaker to be disposed horizontally adjacent to the second circuit breaker within a corresponding one of the cells of the electrical enclosure. | 05-07-2009 |
20090244815 | Modular electrical bus system with built in ground circuit - A modular electrical bus system has a grounding circuit through a plurality of modular I/O units with each unit being both electrically and mechanically connectable together via a bridge member connecting adjacent units and the main communication module. The bridge member and modular I/O units are grounded together with a ground circuit that extends within both components. | 10-01-2009 |
20100118473 | MOTOR CONTROL CENTER SUBUNIT HAVING VISIBLE CONTACT DISCONNECTION AND METHOD OF MANUFACTURE - A motor control center subunit includes a subunit housing configured to fit within a motor control center. The housing has a front panel. The motor control center subunit also includes a drive mechanism attached to the subunit housing. The drive mechanism is configured to control a plurality of line connectors to move between a retracted position and an extended position when the subunit housing is seated in the motor control center and the front panel of the subunit housing is in a closed position. A window is disposed in the front panel of the subunit housing and is positioned to provide a view of the plurality of line connectors. | 05-13-2010 |
20100157512 | MOTOR CONTROL CENTER SUBUNIT HAVING MOVEABLE LINE CONTACTS AND METHOD OF MANUFACTURE - A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power contacts may be advanced to engage supply power buses. For disconnection, the supply power contacts may be refracted and isolated from the buses before physical removal of the subunit. | 06-24-2010 |
20110299228 | Multi-access Switchgear Assembly - A metal clad switchgear assembly comprising multiple compartments defined within an electrical enclosure is provided. The compartments interchangeably accommodate electrical components, for example, current transformers, a circuit breaker, a control power transformer, an epoxy encapsulated potential transformer, etc., electrical cables, and bus bars in predetermined positions for allowing front access and/or rear access to them. One or more compartments are configured for enabling the electrical cables to enter into and/or exit out from the electrical enclosure for allowing front and/or rear access to the electrical cables. A mounting block assembly is positioned in one or more of the compartments for mounting, enclosing, and providing front access to the electrical components. One or more infrared windows and inspection windows are positioned on a front side and/or a rear side of the switchgear assembly for scanning and providing a visual indication of the electrical components, the electrical cables, and the bus bars. | 12-08-2011 |