Electric vehicle control device
First Claim
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1. An inverter unit for driving electric motors, comprising:
- a plurality of inverters, each comprising a U-phase switching package, a V-phase switching package, and a W-phase switching package, configured to generate AC voltage to drive the electric motors, wherein each of the switching packages comprises a positive side switching element and a negative side switching element; and
one cooling device, on which the U-phase switching package, the V-phase switching package, and the W-phase switching package in each of the plurality of inverters are attached, configured to radiate heat from the switching packages,wherein the U-phase switching package, the V-phase switching package, and the W-phase switching package in each of the plurality of inverters are attached on the cooling device on a line, respectively, andwherein the switching packages of the same phase are arranged in a same row on the cooling device.
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Abstract
Disclosed herein are electric vehicle control device which can distribute the heat generated by the semiconductor devices in the DC/AC converter efficiently. Also disclosed herein are methods of converting DC to AC while keeping the heat value of the semiconductor devices stable.
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Citations
6 Claims
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1. An inverter unit for driving electric motors, comprising:
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a plurality of inverters, each comprising a U-phase switching package, a V-phase switching package, and a W-phase switching package, configured to generate AC voltage to drive the electric motors, wherein each of the switching packages comprises a positive side switching element and a negative side switching element; and one cooling device, on which the U-phase switching package, the V-phase switching package, and the W-phase switching package in each of the plurality of inverters are attached, configured to radiate heat from the switching packages, wherein the U-phase switching package, the V-phase switching package, and the W-phase switching package in each of the plurality of inverters are attached on the cooling device on a line, respectively, and wherein the switching packages of the same phase are arranged in a same row on the cooling device. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification