Title:
ROTATING ELECTRIC MACHINE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/158128
Kind Code:
A1
Abstract:
This rotating electric machine drive device (20) is provided with: a first inverter unit (22) equipped with a plurality of switching elements (24-34) corresponding to the respective phases of a motor/generator (10); a second inverter unit (36) equipped with a plurality of switching elements (38-48) corresponding to the respective phases of the motor/generator (10); and a connection line switching element (54) provided at an intermediate portion of a connection line (50) for connecting a first high-potential point (H1) and a second high-potential point (H2). When performing switching from star connection control to open connection control, a control unit (60) decreases the modulation factor of the first inverter unit (22) and increases the modulation factor of the second inverter unit (36) so that change in a phase voltage vector applied to each phase of the motor/generator (10) falls within a predetermined range.
Inventors:
KINJO HIROFUMI (JP)
OKAMOTO RYOTARO (JP)
TANIGUCHI MAKOTO (JP)
OKAMOTO RYOTARO (JP)
TANIGUCHI MAKOTO (JP)
Application Number:
PCT/JP2019/045960
Publication Date:
August 06, 2020
Filing Date:
November 25, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02P27/06; H02M7/48; H02P25/18
Foreign References:
| JP2018014829A | 2018-01-25 | |||
| JP2014054094A | 2014-03-20 | |||
| JP2008219956A | 2008-09-18 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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