Title:
MOTOR DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/062594
Kind Code:
A1
Abstract:
This motor drive system, for an electric vehicle comprising a motor having one rotor and two stators, comprises: a motor that outputs driving power for vehicle wheels and is capable of generating regenerative power; an inverter that controls each of electric power supplied to the two stators and the regenerative power; a battery that is capable of charging the regenerative power generated by the motor; a booster circuit provided between the inverter and the battery; a switching unit that switches the connection states of the two stators with respect to the inverter between a series connection and a parallel connection; and a control unit that controls the operation of the switching unit, wherein when the regenerative power is generated, the control unit controls the operation of the switching unit and switches the two stators into the series connection or the parallel connection.
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Inventors:
YOSHIZAWA SATOSHI (JP)
Application Number:
PCT/JP2022/035365
Publication Date:
March 28, 2024
Filing Date:
September 22, 2022
Export Citation:
Assignee:
SUBARU CORP (JP)
International Classes:
H02P25/18; H02P27/06
Domestic Patent References:
| WO2018181541A1 | 2018-10-04 | |||
| WO2018147054A1 | 2018-08-16 |
Foreign References:
| JP2007202344A | 2007-08-09 | |||
| JP2022027540A | 2022-02-10 |
Attorney, Agent or Firm:
OHTA PATENT AND TRADEMARK ATTORNEYS (JP)
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