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US 12,542,472 B2Granted
Electrical circuit device for operating an externally excited electrical machine, electrical drive apparatus, and motor vehicle
AssigneeAudi AG
InventorDaniel Ruppert
Life of this patent
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Abstract
An electrical circuit device for operating an externally excited electrical machine includes an exciter circuit, an inverter circuit, a capacitor, and a support structure. The exciter circuit includes at least one exciter circuit module arranged on a first side surface of the support structure. The at least one exciter circuit module includes at least one direct current terminal that is connected directly to a terminal of the capacitor.
Claims9
An electrical circuit device for operating an externally excited electrical machine, the electrical circuit device comprising:
- an exciter circuit;
- an inverter circuit;
- a capacitor;
- and
- a support structure, wherein the support structure is a cooling body through which a cooling fluid flows during operation of the cooling body,
- wherein the exciter circuit includes at least one exciter circuit module arranged on a first side surface of the support structure,
- wherein the at least one exciter circuit module includes at least one first direct current terminal on the first side surface of the support structure,
- wherein the at least one first direct current terminal of the at least one exciter circuit module is in direct contact with a terminal of the capacitor, and
- wherein no other electrical connection structure is provided between the at least one first direct current terminal of the at least one exciter circuit module and the terminal of the capacitor.
6 more elements
An electrical drive apparatus comprising:
- an electrical circuit device;
- and
- an electrical machine connected to the electrical circuit device,
- wherein the electrical circuit device includes:
- an exciter circuit;
- an inverter circuit;
- a capacitor;
- and
- a support structure,
- wherein the support structure is a cooling body through which a cooling fluid flows during operation of the cooling body,
- wherein the exciter circuit includes at least one exciter circuit module arranged on a first side surface of the support structure,
- wherein the at least one exciter circuit module includes at least one direct current terminal arranged on the first side surface of the support structure,
- wherein the at least one direct current terminal of the at least one exciter circuit module is in direct contact with a terminal of the capacitor, and
- wherein no other electrical connection structure is provided between the at least one first direct current terminal of the at least one exciter circuit module and the terminal of the capacitor.
11 more elements
Dependencies are inferred from the claim text.