Title:
POWER CONVERSION DEVICE, DRIVE DEVICE, AND POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/203526
Kind Code:
A1
Abstract:
One embodiment of a power conversion device converts power from a power source and supplies the power to a motor, the power conversion device comprising: an inverter connected to a winding of the motor, the inverter comprising first switch elements that generate heat according to the operation of a power control, and second switch elements that generate more heat than the first switch elements according to the operation of the power control; and a substrate on which the first switch elements and the second switch elements are mounted, the power conversion device being such that first element groups comprising one or more first switch elements, and second element groups comprising one or more second switch elements, are mounted alternately on the substrate.
Inventors:
YAMASHITA YOSHIAKI (JP)
OHASHI HIROMITSU (JP)
OHASHI HIROMITSU (JP)
Application Number:
PCT/JP2020/013243
Publication Date:
October 08, 2020
Filing Date:
March 25, 2020
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02M7/48
Domestic Patent References:
| WO2015063898A1 | 2015-05-07 |
Foreign References:
| JP2018085881A | 2018-05-31 | |||
| JP2017139361A | 2017-08-10 | |||
| JP2018022731A | 2018-02-08 | |||
| JP2018102069A | 2018-06-28 |
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