Systems and methods for a vehicle inverter connection bus
First Claim
1. A bus assembly comprising:
- a bus bar having first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers, wherein the first and second conductive layers are at least partially aligned with respect to each other to form a first overlap region of the insulator sheet;
a plurality of arms, wherein a first set of the arms include a set of diodes and a second set of the arms include a set of switches; and
a plurality of bus links that couple the plurality of arms to the bus bar forming a plurality of inverters, wherein each of the plurality of bus links include a respective first bracket and a respective second bracket aligned with each other to form a second overlap region of the insulator sheet, the first bracket electrically coupled to the first conductive layer and the second bracket electrically coupled to the second conductive layer, wherein the second overlap region is within the first overlap region.
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Accused Products
Abstract
A bus assembly is provided having a bus bar with first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers. The first and second conductive layers are partially aligned with respect to each other to form a first overlap region of the insulator sheet. The bus assembly includes a first set of arms having a set of diodes and a second set of arms having a set of switches. The bust bar includes a plurality of bus links coupling the plurality of arms to the bus bar forming a plurality of inverters. Each of bus links include a respective first bracket and a respective second bracket aligned with each other forming a second overlap region of the insulator sheet. The first bracket is electrically coupled to the first conductive layer and the second bracket is electrically coupled to the second conductive layer.
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Citations
22 Claims
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1. A bus assembly comprising:
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a bus bar having first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers, wherein the first and second conductive layers are at least partially aligned with respect to each other to form a first overlap region of the insulator sheet; a plurality of arms, wherein a first set of the arms include a set of diodes and a second set of the arms include a set of switches; and a plurality of bus links that couple the plurality of arms to the bus bar forming a plurality of inverters, wherein each of the plurality of bus links include a respective first bracket and a respective second bracket aligned with each other to form a second overlap region of the insulator sheet, the first bracket electrically coupled to the first conductive layer and the second bracket electrically coupled to the second conductive layer, wherein the second overlap region is within the first overlap region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A bus assembly comprising:
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a bus bar having first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers, wherein the first and second conductive layers are at least partially aligned with respect to each other to form a first overlap region of the insulator sheet; a set of diodes electrically coupled to the first and second conductive layers; plural sets of switches electrically coupled to the first and second conductive layers in parallel to the set of diodes; and plural sets of capacitors coupled to the sets of switches, wherein each set of the sets of capacitors respectively includes at least three capacitors mounted on a single unitary body. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method of forming a bus of an electric drive subsystem, comprising:
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coupling a first conductive layer and a second conductive layer to opposing sides of an insulator sheet, wherein the first and second conductive layers are at least partially aligned with respect to each other relative to the insulator sheet to form a first overlap region of the insulator sheet; fastening a first bracket of a bus link to the first conductive layer and a second bracket of the bus link to the second conductive layer, wherein the first bracket and the second bracket are aligned with each other to form a second overlap region of the insulator sheet, the second overlap region is within the first overlap region; and electrically coupling a phase module and a capacitor bus to the bus link, wherein the capacitor bus has a single unitary body and includes at least three capacitors. - View Dependent Claims (20)
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21. A vehicle electric drive system comprising:
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a DC electrical power source having first and second polarities; a controller; at least one traction motor; and
a bus assembly comprising;a DC link bus bar having first and second conductive layers extending along an insulator sheet interposed between the first and second conductive layers, wherein the first and second conductive layers are at least partially aligned with respect to each other to form a first overlap region of the insulator sheet, and wherein the first and second conductor layers are respectively electrically coupled to the first and second polarities of the DC electrical power source; a plurality of arms, the arms comprising laminated bus bars, plural diodes electrically connected to one or more of the laminated bus bars, and one or more sets of switches electrically connected to one or more of the laminated bus bars; and a plurality of bus links that couple the plurality of arms to the DC link bus bar forming a plurality of inverters, wherein each of the plurality of bus links include a respective first bracket and a respective second bracket aligned with each other to form a second overlap region of the insulator sheet, the first bracket electrically coupled to the first conductive layer and the second bracket electrically coupled to the second conductive layer, wherein the second overlap region is within the first overlap region; wherein the controller is configured to control the switches for the inverters to electrically power the at least one traction motor for movement of the vehicle along a route. - View Dependent Claims (22)
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Specification