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US 12,342,510 B2Granted
Electrical switching device, electrical drive layout and motor vehicle
AssigneeAudi AG
InventorDaniel Ruppert
Life of this patent
Estimating the term…
Abstract
An electrical switching device for operating an electrical machine comprises an inverter circuit, an exciter circuit and a cooling device, wherein the exciter circuit is formed by at least one circuit module, wherein the circuit module is thermally coupled to the cooling device and comprises a discharge circuit, connected to the inverter circuit and adapted to discharge at least one energy accumulator of the inverter circuit.
Claims10
An electrical switching device for operating an electrical machine, comprising:
- an inverter circuit,
- an exciter circuit that, in operation, excites a rotor winding of the electrical machine, and
- a cooling device,
- wherein the exciter circuit is formed by at least one circuit module,
- wherein a stator winding of the electrical machine is connected to the inverter circuit and the rotor winding of the electrical machine is connected to the exciter circuit,
- wherein the at least one circuit module is thermally coupled to the cooling device and comprises a discharge circuit connected to the inverter circuit, and
- wherein the discharge circuit, in operation, discharges at least one energy accumulator of the inverter circuit.
4 more elements
An electrical drive layout comprising:
- an electrical machine;
- and
- an electrical switching device that includes:
- an inverter circuit,
- an exciter circuit that, in operation, excites a rotor winding of the electrical machine, and
- a cooling device,
- wherein the exciter circuit is formed by at least one circuit module,
- wherein the at least one circuit module is thermally coupled to the cooling device and comprises a discharge circuit connected to the inverter circuit,
- wherein the discharge circuit, in operation, discharges at least one energy accumulator of the inverter circuit, and
- wherein a stator winding of the electrical machine is connected to the inverter circuit and the rotor winding of the electrical machine is connected to the exciter circuit.
7 more elements
Dependencies are inferred from the claim text.