Title:
POWER CONVERSION DEVICE, MOTOR MODULE, AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/021647
Kind Code:
A1
Abstract:
Provided is a power conversion device equipped with a plurality of drive units and capable of continuing to drive a motor when abnormality occurs. The power conversion device 1000 is provided with: a first inverter 120 connected to one ends of windings M1, M2, M3 of respective phases of a motor 200 having n phases (n is an integer of 3 or more); a second inverter 130 connected to the other ends of the windings of the respective phases; and at least two drive units 351, 352 for driving n H-bridges having the windings of the n phases, n legs of the first inverter, and n legs of the second inverter. Each of the n H-bridges is connected to any of the at least two drive units.
Inventors:
NABESHI KAORI (JP)
Application Number:
PCT/JP2018/021940
Publication Date:
January 31, 2019
Filing Date:
June 07, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02M7/48; B62D5/04; H02P27/06; H02P29/028
Foreign References:
| JP2012006463A | 2012-01-12 | |||
| JP2016511626A | 2016-04-14 | |||
| JP2012147675A | 2012-08-02 | |||
| JP2008245426A | 2008-10-09 | |||
| JP5797751B2 | 2015-10-21 |
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