Patent application number | Description | Published |
20090109021 | SYSTEM FOR MONITORING ELECTRICAL EQUIPMENT AND PROVIDING PREDICTIVE DIAGNOSTICS THEREFOR - A system monitors electrical equipment and provides predictive diagnostics therefor. The system includes sensors located at or about the electrical equipment. The sensors sense information pertaining to operation of the electrical equipment. A first processor is located at or about the electrical equipment and receives the sensed information from the sensors as first information. A first transceiver cooperates with the first processor to transmit the first information as transmitted information. A second processor is located remote from the electrical equipment. A second transceiver cooperates with the first transceiver to receive the transmitted information as second information and communicate the same to the second processor. The second processor provides a notification pertaining to an immediate inspection and/or maintenance of the electrical equipment, and set points operatively associated with the sensed information. The set points pertain to a number of potential alarms regarding operation of the electrical equipment. | 04-30-2009 |
20100141047 | CLOSED TRANSITION AUTOMATIC TRANSFER SWITCH ASSEMBLY AND ASSOCIATED METHOD - The disclosed concept provides for a closed transition automatic transfer switch assembly having only two switch assemblies. This system utilizes a first switch assembly and a bypass switch assembly. The switch assemblies are each physically coupled to two power sources as well as the system load. The switch assemblies each include a power actuated contact arm. Each contact arm is coupled to, and in electrical communication with, the system load. Each contact arm may further be placed in one of the following configuration; a first configuration wherein the contact arm couples, and provides electrical communication between, the first source and the system load conductor, a second configuration wherein the contact arm couples, and provides electrical communication between, the second source and the system load conductor, and a neutral configuration wherein neither the first source nor the second source is coupled to, and in electrical communication with, the system load conductor. | 06-10-2010 |
20110090607 | STRING AND SYSTEM EMPLOYING DIRECT CURRENT ELECTRICAL GENERATING MODULES AND A NUMBER OF STRING PROTECTORS - A string includes direct current electrical generating modules electrically connected in series to form a first end and a remote second end. A power line is electrically connected to one DC EGM at the first end. A return line is electrically connected to another DC EGM at the remote second end. A first string protector is in the power line of the string, and a second SP is in the return line of the string at the remote second end. One of the first and second SPs includes a number of an over current protector, an arc fault protector, a reverse current protector and a ground fault protector. The other one of the first and second SPs includes a number of an over current protector, an arc fault protector, a reverse current protector, a ground fault protector, and a remotely controlled switch in series with the power or return lines. | 04-21-2011 |
20110233035 | ELECTRICAL SWITCHING APPARATUS INCLUDING A CARRIER, AND POLE FOR THE SAME - An electrical switching apparatus includes a number of poles each having an elongated conductor with a first end and an opposite second end with a first terminal member. A circuit interrupter is electrically connected in series with the elongated conductor at the first end. A second terminal member electrically engages the first terminal member. A number of insulative skirts are disposed on the elongated conductor between opposite ends thereof. An insulative tube receives the insulative skirts and includes a first open end and an opposite second end carrying the second terminal member. A carrier carries the poles between (a) a first position in which the first terminal member electrically engages the second terminal member and the insulative tube receives the insulative skirts, and (b) a second position in which the first terminal member is electrically disconnected from the second terminal member and the skirts are withdrawn from the insulative tube. | 09-29-2011 |
20110299200 | ARC FLASH DETECTION APPARATUS AND ELECTRICAL SYSTEM INCLUDING THE SAME - An electrical system includes first, second and third power busses; a first interrupter electrically connected between the first and second power busses; a second interrupter electrically connected between the second and third power busses; at least one of a shorting apparatus operatively associated with the second power bus, and the first interrupter comprising a trip coil; a current sensor to sense a fault current of at least a predetermined magnitude flowing in the second power bus and responsively output a first signal; a number of light sensors to sense an arc flash operatively associated with a number of the second and third power busses and responsively output a second signal; and a circuit to delay and invert the first signal to provide a third signal, and to operate the at least one of the shorting apparatus and trip coil responsive to an AND of the first, second and third signals. | 12-08-2011 |
20120006661 | ELECTRICAL SWITCHGEAR - An electrical switchgear comprises a front, a back and a switch arrangement. The switch arrangement comprises a terminal arrangement comprising an electrical contact for a bus and an electrical contact for a load connection which are spaced apart along an axial direction; and a device that is driveable into said terminal arrangement to a service position to make an electrical connection between said electrical contact for said load connection and said electrical connection for said bus. The electrical contact for said load connection is located closer to said back of said switchgear than is said electrical contact for said bus. | 01-12-2012 |
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 |
20120092020 | ACOUSTIC APPARATUS AND ACOUSTIC SENSOR APPARATUS INCLUDING A CLAMP - An acoustic sensor apparatus includes a housing; a clamp structured to clamp together the housing and an electrical power conductor; an acoustic sensor structured to detect acoustic noise from the electrical power conductor and output a signal; and a circuit structured to detect an electrical conductivity fault from the signal. | 04-19-2012 |
20120092965 | ACOUSTIC SENSOR SYSTEM FOR DETECTING ELECTRICAL CONDUCTIVITY FAULTS IN AN ELECTRICAL DISTRIBUTION SYSTEM - An acoustic sensor system is for an electrical distribution system having a number of phases. The acoustic sensor system comprises: a plurality of sets of acoustic sensors structured to detect an electrical conductivity fault of the electrical distribution system. Each of the plurality of sets includes a number of acoustic sensors. Each of the number of acoustic sensors is for a corresponding one of the number of phases of the electrical distribution system. | 04-19-2012 |
20120095706 | ACOUSTIC APPARATUS AND ACOUSTIC SENSOR APPARATUS INCLUDING A FASTENER - An acoustic sensor apparatus includes a housing, a fastener structured to fasten together the housing and an electrical power conductor, an acoustic sensor structured to detect acoustic noise from the electrical power conductor and output a signal, and a circuit structured to detect an electrical conductivity fault from the signal. | 04-19-2012 |
20120247932 | Electrical System Having Withdrawable Electrical Apparatus and Shutter Assembly - A shutter assembly is provided for an electrical system including at least one withdrawable electric apparatus, such as a circuit breaker, and an electrical bus member. A protruding structure of the circuit breaker is removably coupled to a corresponding primary contact of the electrical bus member to electrically connect the circuit breaker and the electrical bus member. The shutter assembly includes a pair of cover members that are pivotably movable between a first position in which the corresponding primary contact of the electrical bus member is isolated, and a second position in which the circuit breaker is connected with the primary contact and the electrical bus member. | 10-04-2012 |
20130214738 | MULTI-STANDARD, ALTERNATING CURRENT OR DIRECT CURRENT COMPATIBLE ELECTRIC VEHICLE SUPPLY EQUIPMENT - A multi-standard compatible electric vehicle supply equipment includes a plurality of different electric vehicle connectors each of which corresponds to one of a plurality of different electric vehicle standards. A power converter inputs alternating current power and includes an output to output direct current power. A circuit is structured to selectively electrically connect a source of alternating current power to a number of the electric vehicle connectors, selectively electrically connect the output of the power converter to a selected one of the different electric vehicle connectors, employ a plurality of different communication protocols for the different electric vehicle connectors, detect connectivity of one of the different electric vehicle connectors with an electric vehicle and responsively select one of a plurality of different charging modes, and communicate with the electric vehicle through the selected one of the different electric vehicle connectors. | 08-22-2013 |
20140090965 | CIRCUIT INTERRUPTER EMPLOYING A LINEAR TRANSDUCER TO MONITOR CONTACT EROSION - A circuit interrupter includes, a first contact and a second contact, the second contact being moveable relative to the first contact, a drive assembly structured to move the second contact relative to the first contact, and an erosion monitoring device including a linear transducer coupled to a portion of the drive assembly. The liner transducer is structured to generate an output signal representative of an amount of linear displacement of the portion of the drive assembly, wherein the erosion monitoring device is structured to monitor a degree of erosion of at least one of the first contact and the second contact based on the output signal. | 04-03-2014 |
20140216780 | MULTIPLE ELECTRICAL SOURCE HOUSING - A busway is described herein that is configured for receipt of plural power sources. The busway device comprises a first plurality of busbars in a spaced apart relationship, with the width, thickness, and spacing of the busbars configured for receipt of a first power source. The first plurality of busbars is contained in a first housing. The device further includes a second plurality of busbars in a spaced apart relationship, with the width, thickness, and spacing of the busbars configured for receipt of a second power source. The second plurality of busbars is contained in a second housing and electrically isolated from the first plurality. The first housing is configured for adjacent placement and connection to the second housing. | 08-07-2014 |