Low inductance power electronics assembly
First Claim
1. A power electronics assembly comprising:
- a first support member comprising a first plurality of conductors;
a first plurality of power switching devices coupled to the first support member;
a first capacitor coupled to the first support member;
a second support member comprising a second plurality of conductors;
a second plurality of power switching devices coupled to the second support member;
a second capacitor coupled to the second support member,wherein the first and second pluralities of conductors, the first and second pluralities of power switching devices, and the first and second capacitors are electrically connected such that the first plurality of power switching devices is connected in parallel with the first capacitor and the second capacitor and the second plurality of power switching devices is connected in parallel with the second capacitor and the first capacitor; and
a power bridge interconnecting the first support member and the second support member, wherein the power bridge comprises a first bridge conductor and a second bridge conductor,wherein the first plurality of conductors and the second plurality of conductors each comprise a first conductive member and a second conductive member, andwherein the first bridge conductor electrically interconnects the first conductive members of each of the first and second pluralities of conductors and the second bridge conductor electrically interconnects the second conductive members of each of the first and second pluralities of conductors.
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Accused Products
Abstract
A power electronics assembly is provided. A first support member includes a first plurality of conductors. A first plurality of power switching devices are coupled to the first support member. A first capacitor is coupled to the first support member. A second support member includes a second plurality of conductors. A second plurality of power switching devices are coupled to the second support member. A second capacitor is coupled to the second support member. The first and second pluralities of conductors, the first and second pluralities of power switching devices, and the first and second capacitors are electrically connected such that the first plurality of power switching devices is connected in parallel with the first capacitor and the second capacitor and the second plurality of power switching devices is connected in parallel with the second capacitor and the first capacitor.
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Citations
10 Claims
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1. A power electronics assembly comprising:
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a first support member comprising a first plurality of conductors; a first plurality of power switching devices coupled to the first support member; a first capacitor coupled to the first support member; a second support member comprising a second plurality of conductors; a second plurality of power switching devices coupled to the second support member; a second capacitor coupled to the second support member, wherein the first and second pluralities of conductors, the first and second pluralities of power switching devices, and the first and second capacitors are electrically connected such that the first plurality of power switching devices is connected in parallel with the first capacitor and the second capacitor and the second plurality of power switching devices is connected in parallel with the second capacitor and the first capacitor; and a power bridge interconnecting the first support member and the second support member, wherein the power bridge comprises a first bridge conductor and a second bridge conductor, wherein the first plurality of conductors and the second plurality of conductors each comprise a first conductive member and a second conductive member, and wherein the first bridge conductor electrically interconnects the first conductive members of each of the first and second pluralities of conductors and the second bridge conductor electrically interconnects the second conductive members of each of the first and second pluralities of conductors. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An automotive propulsion system comprising:
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an electric motor; a direct current (DC) voltage source coupled to the electric motor; a power electronics assembly coupled to the electric motor and the DC voltage source, the power electronics assembly comprising; a first support member comprising a first plurality of conductors; a first plurality of power switching devices coupled to the first support member; a first capacitor coupled to the first support member; a second support member comprising a second plurality of conductors; a second plurality of power switching devices coupled to the second support member; a second capacitor coupled to the second support member, wherein the first and second pluralities of conductors, the first and second pluralities of power switching devices, and the first and second capacitors are electrically connected such that the first plurality of power switching devices is connected in parallel with the first capacitor and the second capacitor and the second plurality of power switching devices is connected in parallel with the second capacitor and the first capacitor; and a power bridge interconnecting the first support member and the second support member, wherein the power bridge comprises a first bridge conductor and a second bridge conductor, wherein the first plurality of conductors and the second plurality of conductors each comprise a first conductive member and a second conductive member, and wherein the first bridge conductor electrically interconnects the first conductive members of each of the first and second pluralities of conductors and the second bridge conductor electrically interconnects the second conductive members of each of the first and second pluralities of conductors; and a processing system coupled to the electric motor, the DC voltage source, and the power electronics assembly. - View Dependent Claims (9, 10)
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Specification