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US 8,134,832 B2Granted
Electric drive
AssigneeABB AB
InventorsMika Silvennoinen, Mika Vartiainen
Life of this patent
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Abstract
An electric drive is disclosed which includes at least a choke unit, a power step unit, and a capacitor unit for implementing power supply to an electricity-consuming device. A cooling arrangement is disclosed for cooling the choke unit, the power step unit, and the capacitor unit. The choke unit, the power step unit, and the capacitor unit can be distributed into at least two separate and separately coolable entities, and the cooling arrangement can include parallel cooling apparatuses for cooling the at least two separate and separately coolable entities.
Claims11
An electric drive comprising:
- a choke unit;
- a power step unit;
- a capacitor unit for supplying power to an electricity-consuming device;
- at least two separate, separately coolable entities, with the choke unit, the power step unit, and the capacitor unit being distributed among the at least two separately coolable entities;
- and
- a cooling arrangement for cooling the choke unit, the power step unit, and the capacitor unit, the cooling arrangement having parallel cooling apparatuses for cooling the at least two separately coolable entities.
3 more elements
Dependencies are inferred from the claim text.