Abstract: The invention relates to a gas-insulated high-voltage switchgear, comprising at least one bus bar with three phase conductors, whereby each phase conductor is connected to the input of a respectively provided bus bar section. The phase conductor and the bus bar section are arranged in a three-phase bus bar module with three single-phase power switches, each arranged in a separate power switch housing and each bus bar section is connected at the output therefrom to a respectively provided power switch.

Abstract: A power converter apparatus includes a substrate 22 on which switching elements Q, Q1 to Q6 are mounted, positive and negative terminal interconnection members 27, 28 mounted on the substrate, and a capacitor 17 having a positive terminal 17a connected to the main body of the positive terminal interconnection member 27 and a negative terminal 17b connected to the main body of the negative terminal interconnection member 28. The interconnection members each have a plate-like main body 27a, 28a that is located above and parallel to the substrate 22. The main bodies of the interconnection members are stacked to be close to each other while being electrically insulated from each other. Each of the positive terminal interconnection member and the negative terminal interconnection member further includes a plate-like extension 27b, 28b that extends from the corresponding main body toward the substrate, and a terminal portion 27c, 28c that extends from the extension and is joined to the substrate.

Abstract: A positioning block and method for spacing riser bus bars includes an insulating material body forming recesses along a longitudinal axis of the block, each recess for receiving an electric riser bus bar therein. A binding feature is formed adjacent to at least one wall of the recesses for securing the riser bus bar within the recess. A locator feature is formed between the walls of each recess for aligning the riser bus bar within the recess.

Abstract: 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.

Abstract: 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.

Abstract: A premises power source accessory panel for an outdoor unit, a method of adapting an outdoor unit with a premises power source accessory panel and an outdoor unit incorporating the panel or the method. In one embodiment, the panel includes: (1) a bracket having at least one electrical conduit aperture and (2) a circuit protection element mounted to the bracket and configured to be coupled to a premises power source, the bracket removably couplable to the outdoor unit in lieu of a conventional electrical conduit panel.

Abstract: A load center includes a pair of generally parallel busbars for distributing a single phase of electricity to circuit breakers through a multitude of stabs that form respective bridges between the pair of busbars to provide respective bidirectional paths for dissipating heat from each of the stabs to both of the busbars and to provide a connection point for a pair of circuit breakers installed into the load center.

Abstract: An electrical ground connector assembly including a bus bar adapted to have a plurality of electrical wires separately connected thereto; and a combined electrical connection and mounting post assembly directly connected to the bus bar. The combined electrical connection and mounting post assembly is adapted to directly connect an electrical conductor thereto. The combined electrical connection and mounting post assembly extends from the bus bar in a generally cantilever fashion and is configured to supportingly attach the bus bar to a structure. A portion of the combined electrical connection and mounting post assembly could be mounted to extend through a hole in the structure, or alternatively a portion of the combined electrical connection and mounting post assembly could be mounted to an exterior side of the structure.

Abstract: A load center is equipped with a neutral phase conductive rail with breaker mounting and retention features providing automatic neutral connection for a plug-on mounted AFI and/or GFI circuit breaker. Breakers may be designed to have specific interfaces to the breaker mounting and retention features of the load center rails. The neutral rail may have two pieces including a breaker undercut positioning rail shorted to a standard neutral rail, or a neutral rail may be designed to have all mounting features integrated therewith. The new panel is compatible with non-AFI and non-GFI breakers.

Abstract: A substrate panel is disclosed. The substrate panel may include a pair of clamp contacts, a plurality of bus lines located between the pair of clamp contacts, and a plurality of substrate units supplied with an electric current by way of the plurality of bus lines, where the bus lines closer to the proximal clamp contact are arranged with larger intervals.

Abstract: Certain exemplary embodiments comprise a basepan assembly for an electrical panel. The basepan assembly can comprise an interconnectable plurality of pieces. In certain exemplary embodiments, a first piece from the plurality of pieces can comprise an inserter. In certain exemplary embodiments, a first piece from the plurality of pieces can comprise a receiver adapted to slidably receive an inserter of a second piece from the plurality of pieces.

Abstract: 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.

Abstract: A positioning block and method for spacing riser bus bars includes an insulating material body forming recesses along a longitudinal axis of the block, each recess for receiving an electric riser bus bar therein. A binding feature is formed adjacent to at least one wall of the recesses for securing the riser bus bar within the recess. A locator feature is formed between the walls of each recess for aligning the riser bus bar within the recess.

Abstract: A bus system is disclosed for use with switching devices, such as power electronic devices. The system includes generally parallel bus elements that define electrical reference planes, such as for a dc bus. The bus elements are separated from one another by insulative layers, with additional insulative layers being available for separating the system from other circuit components. Portions of the bus elements are extended or exposed to permit connection to the circuit elements, including packaged switching circuits and energy storage or filtering circuits. The bus system may be conformed to a variety of geometric configurations, and substantially reduces parasitic inductance and total loop inductance in the resulting circuitry.

Abstract: The connection between the terminals of three-phase electric parts used in a matrix converter is simplified to thereby reduce the inductance between conductors. An AC capacitor and an IGBT are disposed such that the linearly arranged terminals of the AC capacitor and the linearly arranged input terminals of the IGBT are parallel to each other, and also that the three terminals of the AC capacitor and the three input terminals of the IGBT are situated close to each other. A bus bar is formed as a laminate bus bar which can be provided by laminating three plate-shaped bus bars on top of each other. In the respective plate-shaped bus bars, there are provided internal terminals for connecting together the mutually adjoining ones of the three-portion terminals of the AC capacitor and the three-portion input terminals of the IGBT, and the mutually adjoining terminals are connected together through the internal terminals.

Abstract: An electric motor that does not provide new terminals for carrying out conductive caulking, and further, facilitates the work of using a conductive caulking machine. An electric motor coil connecting structure that connects conductors connected to a power input member and lead terminals of coils by conductive caulking and connects the power input member and the lead terminals of the coil electrically. One end of each of the conductors is formed into a terminal-shaped portion in which the lead terminals of the coil can be fitted and temporarily retained. The lead terminals of the coil are fitted in the terminal-shaped portion of the conductors and temporarily retained, and connected by conductive caulking.

Abstract: A modular power distribution system comprises a chassis and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) a circuit protection device; and (ii) a power output connection location. Bus bars connect front power inputs to the backplane.

Abstract: A system includes an electrical busway, an electrical enclosure enclosing an electrical apparatus, the electrical enclosure including an interior and a mounting portion with an opening therethrough; and a tap apparatus electrically interconnecting the electrical busway and the electrical apparatus. The tap apparatus includes a first portion electrically interconnected with the electrical busway through the opening of the mounting portion, a second portion removeably coupled to the mounting portion of the electrical enclosure from the interior of the electrical enclosure, and a third portion including a flexible electrical connection electrically interconnected with the electrical apparatus.

Abstract: An electrical enclosure for circuit breakers includes a busbar with a plurality of apertures equidistantly positioned along a length of the busbar so that insulating inserts and corresponding busbar connectors can be attached to the busbar to receive variously sized circuit breakers having different widths equal to an integer multiple of the center-to-center distance between the equidistantly positioned apertures.

Abstract: A power distribution system for a work machine includes a power electronics module having a set of power connectors to receive electrical power. A module rack has an opening for slidably receiving the power electronics module. A power bus assembly is mounted to the module rack. The power bus assembly has a set of power bus connectors located to be mechanically engaged by the set of power connectors of the power electronics module when the power electronics module is installed in the module rack. A gasket is interposed in a sealing arrangement between the power electronics module and the power bus assembly. The gasket is configured to extend completely around all power connectors of the set of power connectors and is configured to extend completely around each individual power connector of the set of power connectors.

Abstract: A method for isolating phases in an electrical equipment enclosure having multi-phase bus bars and a mounting base for mounting electrical equipment. The insulation system includes a plurality of components including a plurality of side isolation barriers with each barrier defining at least one slot proximate one edge of the barrier and having at least one tab along another edge of the barrier. A side barrier adapter is configured to engage the isolation barrier and to engage the mounting base. An inner isolation barrier is configured to isolate at least two of the vertical bus bars and couple to the mounting base. A vertical bus rear wall defining a plurality of slots proximate at least two edges of the cover is fastened to the inner isolation barrier. A plurality of corner connectors is configured to engage one of the cover slots and the side isolation barrier slots.

Abstract: A system and method for manufacturing a power bus assembly is provided. The power bus assembly includes a first conductive sheet configured to receive a positive charge and distribute the positive charge to a plurality of connection points formed thereon. The power bus assembly also includes a second conductive sheet configured to receive a negative charge and distribute the negative charge to a plurality of connection points formed thereon. Additionally, the power bus assembly includes an insulating sheet arranged between the first conductive sheet and the second conductive sheet to electrically isolate the first conductive sheet from the second conductive sheet. A plurality of vice fasteners are included to secure the first conductive sheet, the second conductive sheet, and the insulating sheet together to form the power bus assembly.

Abstract: 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.

Abstract: 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.

Abstract: The present invention improves heat dissipation of an electrical junction box. An electrical junction box includes a housing which houses a control circuit board disposed perpendicular to a power distribution board. The control circuit board includes a control circuit constructed on one side of an insulating substrate, electrical components mounted on the control circuit, and a heat dissipating means mounted on the other side. The power distribution board includes a plurality of bus bars laminated via a plurality of insulating layers. Consequently, heat generated by the electrical components can be dissipated efficiently by the heat dissipating means, thereby improving heat dissipation of the electrical junction box.

Abstract: A bus bar simultaneously performs electrical connection between unit cells and detection of voltage of the unit cells in a battery module having the same and includes: vertical bent parts formed by bending opposite ends of a strip-shaped bar body in the same direction, the vertical bent parts being provided with coupling grooves or protrusions; and a horizontal bent part formed by bending one of the vertical bent parts toward the bar body such that the horizontal bent part is parallel with the bar body. The electrode terminals of the unit cells are connected to the rear surface of the bar body of the bus bar, whereby the electrical connection between the unit cells is accomplished, and the horizontal bent part of the bus bar is directly connected to a battery management system for monitoring the potential difference and the temperature of the unit cells to control the unit cells.

Abstract: A base assembly is provided for a power pedestal including an elongated housing and a plurality of electrical conductors enclosable by the elongated housing. The elongated housing has a first end and a second end disposed opposite and distal from the first end. The base assembly includes a power pedestal base member having a first end and a second end disposed opposite and distal from the first end. The second end of the base member is structured to be coupled to a platform. A connecting mechanism, such as a hinge assembly, is disposed at or about the first end of the base member and removably couples the first end of the elongated housing to the base member without a number of separate fasteners, thereby facilitating removal of the elongated housing from the base member. An electrical bus mount may be removably coupled to a mounting surface of the base member.

Abstract: An electrical connector assembly is provided for electrically connecting an electrical apparatus, such as a circuit breaker, to an electrical bus member. The electrical connector assembly includes a contact stab extending outwardly from the electrical bus member. The contact stab includes first and second sides having first and second indentations, respectively, which are disposed opposite one another. A clip member mechanically couples and electrically connects the circuit breaker to the contact stab. The clip member includes a first leg and a second leg disposed opposite and distal from the first leg. The first leg engages the first indentation of the first side of the contact stab and the second leg engages the second indentation of the second side of the contact stab, thereby retaining the clip member on the contact stab.

Abstract: An apparatus for distributing electrical power from a plurality of power sources among a plurality of electrical conductors includes: (a) A plurality of power supply bus structures. Each respective power supply bus structure is coupled with at least one respective power source and presents a respective plurality of first electrical connection structures arranged in a respective first spaced array. (b) Each respective electrical conductor presents a respective plurality of second electrical connection structures arranged in a respective second spaced array. (c) At least one electrical bridging unit coupling a respective first electrical connection structure and a respective second electrical connection structure to establish electrical connection between a selected respective power supply bus structure and a selected respective electrical conductor.

Abstract: A modular power distribution system comprises a chassis and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) a circuit protection device; and (ii) a power output connection location. Bus bars connect front power inputs to the backplane.

Abstract: This invention prevents a deterioration of efficiency of a power supply apparatus due to a semiconductor power supply voltage drop, prevents an increase in wasted power, and prevents erroneous operations due to feeder wire voltage drop. In the mounting structure of electronic circuits having a plurality of busbars as current paths on a printed circuit board, the plurality of busbars have almost parallel portions spaced a predetermined distance apart; a span of the parallel portions of the plurality of busbars is greater than the predetermined distance; and in the parallel portions of the plurality of busbars, the plurality of busbars are connected by a wiring pattern. In the switching power supply apparatus built on a printed circuit board, with its output voltage of less than 2 V and its output current of more than 100 A, a means is provided for making the power efficiency higher than 70%.

Abstract: A power supply circuit structure includes: a first bus bar in which a power supply side terminal that is to be connected with a power supply post protruded from a DC/DC converter is disposed in one end side, a current sensor passing portion is disposed on another end side, and an output terminal portion is disposed at the tip end of the current sensor passing portion; and a second bus bar having an input terminal portion which is to be connected with the output terminal portion of the first bus bar, and an output terminal portion which is to be connected with a terminal of a power supply wire end, and which is on another end side.

Abstract: A band-shaped bus bar includes a flat part disposed at the center thereof, and a curved part at both ends in a length direction. A receiving groove for receiving the bus bar is extended along a circle in an insulating holder. The flat part of the bus bar is received in the receiving groove in a curved manner.

Abstract: A load center with a circuit breaker with a first recess and a second recess, a main busbar with a first stab that is operatively arranged to insert into the first recess and support a front end of the circuit breaker. The load center also includes a neutral support bar having a second stab and a lug. The lug is connected to a neutral system and the second stab is operatively arranged to insert into the second recess of the circuit breaker. The second stab also supports a back end of the circuit breaker.

Abstract: A mobile power source for use with a power cable having a connector. The mobile power source includes a housing, a generator, an enclosure, at least one power terminal, a door, and at least one fastening device. The generator is mounted in the housing to generate electrical power. The at least one power terminal is mounted within the enclosure, electrically connected to the generator, and configured to receive power generated by the generator. The door is positioned over the enclosure so as to cover the at least one power terminal, and limit access to the at least one power terminal. The at least one fastening device is adjacent to the door, and configured to secure the cable.

Abstract: A neutral connection arrangement for use with a pair of aligned transfer switch assemblies of an electrical panel. The first transfer switch assembly is operable to regulate electrical connection of a neutral conductor of a utility service, and the second transfer switch assembly is operable to connect a neutral conductor of a generator. The neutral connection arrangement may be in the form of a neutral bracket apparatus that includes a bracket having a first mount member, a second mount member, and a third mount member. The first mount member is attached at the first neutral bus of the electrical panel, and the second mount member is attached at the second neutral bus of the electrical panel located opposite the first neutral bus. An elongated body portion electrically connects the first and second mount members. The third mount member is generally U-shaped and extends from the elongated body portion for electrical connection to the first and second transfer switch assemblies.

Abstract: A method and apparatus for the economical and reliable assembly of buss plates and components thereon, having a bushing positioned on one or more surfaces or therebetween. A novel spring-like retainer is employed to retain a plurality of bushings in proximity to a plurality of buss plate through holes to facilitate easy assembly. The use of the spring retainer eliminates the requirement for costly and potentially adverse pre-assembly soldering of the busing into position.

Abstract: An apparatus and method for an electric load center including a basepan with a plurality of fastener devices for securing bus bars, neutral bars, and a variety of other electrical components to the basepan. Each fastener device comprises two independent structures, the first structure a self aligning support post and the second structure is an engaging lock. Both the self aligning support post and the engaging lock project away from the basepan first surface. The self aligning support post consists of a plurality of angled surfaces to facilitate assembly of the electrical component to the basepan first surface. The self aligning support post also contains an interior cavity that houses the engaging lock. The engaging lock has a first surface with an inclined angle with respect to the basepan and a second surface with a zero angle with respect to the basepan to facilitate retention of the bus bar.

Abstract: A reduced form factor component support is provided for motor control centers and similar packaged electrical systems. The reduced form factor component support may be used with smaller components, such as small motor starters, motor drives, and so forth. Electrical connections with standard bus bars in the enclosure are made through special connectors mounted on subplates in the rear of the enclosure, or by an invertible stab housing that can allow the reduced form factor component support to share conventional slots in a bus cover, thereby providing access to the supply power in the enclosure.

Abstract: The invention provides a circuit breaker panel with several safety features. The main breaker is separated from the circuit breakers by a non-conducting shield. The main breaker is also covered by a transparent, non-conducting shield. A further transparent non-conducting shield separates the circuit breakers from the neutral and ground bus bars. The neutral and ground bus bars are offset from one another to prevent wire crowding. Bending posts extending from the back plate of the panel help control the wire in the panel to prevent it from crossing bus bars or circuit breakers.

Abstract: A panelboard for a plurality of electrical distribution components with an endplate, main bus bars, and support rails arranged parallel to the main bus bars. The first support rail has a plurality of walls and a plurality of bends that provide support for the first main bus bar. The first support rail has a first flange connected to the endplate and a top flange configured to support the plurality of electrical distribution components.

Abstract: A bus system is disclosed for use with switching devices, such as power electronic devices. The system includes generally parallel bus elements that define electrical reference planes, such as for a dc bus. The bus elements are separated from one another by insulative layers, with additional insulative layers being available for separating the system from other circuit components. Portions of the bus elements are extended or exposed to permit connection to the circuit elements, including packaged switching circuits and energy storage or filtering circuits. The bus system may be conformed to a variety of geometric configurations, and substantially reduces parasitic inductance and total loop inductance in the resulting circuitry.

Abstract: A method and modular insulation system for an electrical equipment enclosure having multi-phase bus bars and a mounting base for mounting electrical equipment. The insulation system includes a plurality of components including a plurality of side isolation barriers with each barrier defining at least one slot proximate one edge of the barrier and having at least one tab along another edge of the barrier. A side barrier adapter is configured to engage the isolation barrier and to engage the mounting base. An inner isolation barrier is configured to isolate at least two of the vertical bus bars and couple to the mounting base. A vertical bus rearwall defining a plurality of slots proximate at least two edges of the cover is fastened to the inner isolation barrier. A plurality of corner connectors is configured to engage one of the cover slots and the side isolation barrier slots.

Abstract: A multi-pole mounting base for interfacing a circuit breaker and/or circuit interrupter with an electrical panel is disclosed. The electrical panel has an interior configured to receive remote operated circuit breakers (ROCBs) in signal communication with a communication board internal to the electrical panel, non-ROCBs, and ground fault circuit interrupters (GFCls). The mounting base includes a unitary support platform assemblable to the interior of the electrical panel and having first mounting regions with common structure configured to receive any one of the ROCBs, the non-ROCBs, and the GFCls. The support platform also has second mounting regions configured to receive the communication board. The support platform is configured to assemble adjacent to another support platform in the electrical panel.

Abstract: An apparatus and method for a load center comprising a basepan with fastener devices for securing bus bars, neutral bars, and a variety of other electrical components to the basepan. Each fastener device comprises a self aligning support post flush with two extending side walls and an arm with engaging lock. The self aligning support post and the two extending side walls are integrally formed where the self aligning support post projects away from the basepan first surface. The self aligning support post consists of at least one angled surface to facilitate assembly of the electrical component to the first surface of the basepan. The engaging lock has a first surface with an inclined angle with respect to the basepan and a second surface angled at zero degrees with respect to the basepan to facilitate securing the electrical component to basepan first surface.

Abstract: An apparatus and method for a load center comprising a basepan with a plurality of fastener devices for securing bus bars, neutral bars, and a variety of other electrical components to the basepan. Each fastener device comprises a self aligning support post and an arm with engaging lock affixed thereto. The self aligning support post projects away from the basepan first surface. The self aligning support post consists of a plurality of angled surfaces to facilitate assembly of the electrical component to the first surface of the basepan. The engaging lock has a first surface with an inclined angle with respect to the basepan and a second surface angled at zero degrees with respect to the basepan to facilitate securing the electrical component to basepan first surface. The fastening device may also include a swing snap and an angled arm for securing electrical components to basepan first surface.

Abstract: A multi-phase multiple meter socket assembly is for a meter center including a plurality of meters. The meter socket assembly includes meter sockets each receiving one of said meters, feeder buses, supply buses, and a plurality of phase connectors. Each of the supply buses has at least one section, and each phase connector electrically interconnects a corresponding one of the at least one section of each of the supply buses with a corresponding one of the feeder buses. At least one of the supply buses is divided in order to include as the at least one section, first and second sections, the first section being in electrical communication with a first one of the feeder buses and the second section being in electrical communication with a second one of the feeder buses. In this manner, the meters are provided with a plurality of phase configurations within the same cabinet.

Abstract: A non-conductive bus shroud for a dual circuit breaker system that has a plurality of vertical walls extending generally perpendicular from the top side and including at least one bus member support vertical wall. The dual circuit breaker system includes a housing assembly having a back wall, a first circuit breaker having at least one protruding line terminal, a second circuit breaker having at least one protruding line terminal and at least one bus member extending between the at least one first circuit breaker line terminal and the at least one second circuit breaker line terminal. The bus shroud has a planar member with a top side, a bottom side, a front edge, a back edge, at least one first circuit breaker terminal opening, and a second circuit breaker terminal opening. When the shroud is installed over the circuit breakers, the vertical walls protect and support the bus member.

Abstract: A bus assembly that is structured to be coupled to a multiple pole circuit breaker and to a plurality of horizontally aligned vertical line conductors is disclosed. The circuit breaker has a back side with a line terminal and a load terminal for each pole extending therefrom. At least two terminals are associated with different poles are vertically aligned. The bus assembly includes a first set of line buses structured to be coupled to the line terminals, and include at least one line bus having a horizontal offset, as well as a second set of load buses structured to be coupled to the load terminals and extending in a direction generally parallel to the load terminals.

Abstract: In an electronic control unit, a chassis is provided with a plate portion, and a circuit board is secured to a board-side attaching surface of the plate portion with a predetermined space secured relative to the plate portion. The chassis is further provided with a side wall protruding from the circumferential portion of the other surface of the plate portion and is mounted on a surface of a housing incorporating a device therein, with an end surface of the side wall being seated on the surface of the housing. A bus bar is fixed at a fixing portion thereof to the board-side attaching surface between the plate portion and the circuit board and is connected to a terminal of the device which is taken out from the housing. The bus bar is provided at plural free ends thereof with branch portions at which lead portions extend to be joined at end portions thereof to the circuit board.