# US 8,772,634 B2 · Busbar for power conversion applications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,772,634 B2 - Document ID: US8772634B2 - Status: Granted - Kind: B2 - Application number: 13/036,750 - Filed: 2011-02-28 - Published: 2012-08-30 - Granted: 2014-07-08 - Earliest claimed: 2011-02-28 - Assignees: General Electric Company - Applicants: Richard Alfred Beaupre; Joseph Lucian Smolenski - Inventors: Richard Alfred Beaupre; Joseph Lucian Smolenski - Web page: https://patentgrep.com/patent/US8772634B2 ## CPC - H02G 5/005: {Laminated bus-bars} - H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections} - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) ## Abstract A busbar for power conversion applications that includes two planar conductors that have terminal locations; a first planar insulator located between the planar conductors; two impedances elements that are electrically connected to each of the planar conductors, wherein the impedance elements each extend in a plane that is non-coplanar from the planar conductors, further wherein the impedance elements are configured so as to define a gap between them; and a second planar insulator is located in the gap. A power conversion assembly that connects an energy source and a power switch to the busbar. ## Claims ### Claim 1 A busbar comprising: a first planar conductor having a plurality of terminal locations; a second planar conductor having a plurality of terminal locations; a first planar insulator located between the first planar conductor and the second planar conductor; a first impedance element electrically connected to the first planar conductor, wherein the first impedance element extends in a plane that is non-coplanar from the first planar conductor; a second impedance element electrically connected to the second planar conductor, wherein the second impedance element extends in a plane that is non-coplanar from the second planar conductor, further wherein the first impedance element and the second impedance element are configured so as to define a gap therebetween; and a second planar insulator located in the gap, wherein the second planar insulator is coplanar with the first impedance element. ### Claim 2 (depends on 1) The busbar of claim 1 wherein one of the first planar and the second planar conductor is made of a material comprising one of copper, aluminum, silver, and gold. ### Claim 3 (depends on 1) The busbar of claim 1 wherein the first planar conductor, the second planar conductor, and the first planar insulator are substantially parallel. ### Claim 4 (depends on 1) The busbar of claim 1 wherein the gap is in a range from about 1 mil to about 70 mil. ### Claim 5 (depends on 1) The busbar of claim 1, wherein one of the first impedance element and the second impedance element is L-shaped. ### Claim 6 (depends on 5) The busbar of claim 5, wherein the first impedance element and the second impedance element are substantially parallel. ### Claim 7 (depends on 1) The busbar of claim 1, wherein one of the first impedance element, the second impedance element, and the second planar insulator are substantially parallel. ### Claim 8 (depends on 1) The busbar of claim 1, wherein one of the first planar insulator and the second planar insulator is comprised of a polyimide, epoxy-glass, and polytetrafluoroethylene. ### Claim 9 (depends on 1) The busbar of claim 1, wherein the first impedance element and the second impedance element are substantially parallel. ### Claim 10 (depends on 1) The busbar of claim 1, wherein one of the first impedance element and the second impedance element are substantially perpendicular to the first planar conductor and the second planar conductor. ### Claim 11 (depends on 1) The busbar of claim 1, wherein the first impedance element and the second impedance element are removably attached to the first planar conductor and the second planar conductor. ### Claim 12 (depends on 1) The busbar of claim 1, wherein the first impedance element and the second impedance element are fixedly attached to the first planar conductor and the second planar conductor. ### Claim 13 (depends on 1) The busbar of claim 1, wherein the plurality of terminal locations is configured to connect to one of an energy source and a power switch. ### Claim 14 (depends on 13) The busbar of claim 13, wherein the energy source comprises one of a capacitor and an electrochemical battery. ### Claim 15 (depends on 1) The busbar of claim 1, wherein the first impedance element and the second impedance element are connected to the first planar conductor and the second planar conductor substantially in a current path of the first planar conductor and the second planar conductor. ### Claim 16 (depends on 1) The busbar of claim 1, wherein the gap has a uniform thickness between the first impedance element and the second impedance element. ### Claim 17 (depends on 1) The busbar of claim 1, wherein the second planar insulator is normal to the first planar conductor. ### Claim 18 (depends on 1) The busbar of claim 1, wherein the first impedance element and the second impedance element are normal to the first planar conductor and the second planar conductor. ### Claim 19 (depends on 1) The busbar of claim 1, wherein the first planar conductor and the first impedance element are electrically insulated from the second planar conductor and the second impedance element. ### Claim 20 (depends on 1) The busbar of claim 1, wherein the second planar insulator fills the gap. ### Claim 21 (depends on 20) The busbar of claim 20, wherein the second planar insulator entirely fills the gap. ### Claim 22 An power conversion assembly comprising: a busbar comprising: a first planar conductor having a plurality of terminal locations; a second planar conductor having a plurality of terminal locations; a first planar insulator located between the first planar conductor and the second planar conductor; a first impedance element electrically connected to the first planar conductor, wherein the first impedance element extends in a plane that is non-coplanar from the first planar conductor; a second impedance element electrically connected to the second planar conductor, wherein the second impedance element extends in a plane that is non-coplanar from the second planar conductor, further wherein the first impedance element and the second impedance element are configured so as to define a gap therebetween; and a second planar insulator located in the gap, wherein the second planar insulator is non-planar with the first planar conductor and the second planar conductor; an energy source connected to the busbar; and a power switch connected to the busbar. ### Claim 23 (depends on 22) The assembly of claim 22 the power switch comprising one of a mechanical element and a solid state element. ### Claim 24 (depends on 23) The assembly of claim 23, wherein the solid state element comprises one of a single switch, a halfbridge, a six-pack, and a multi-switch device. ### Claim 25 (depends on 22) The assembly of claim 22, wherein the energy source comprises a plurality of capacitors or a plurality of electrochemical batteries. ### Claim 26 (depends on 22) The assembly of claim 22, further comprising a load electrically connected to the power switch.