Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/130888
Kind Code:
A1
Abstract:
This motor control device comprises: an inverter circuit that supplies drive voltage to a motor; and a control unit that, when a torque instruction value supplied from outside is less than a prescribed threshold value, has a power supply voltage supplied to the inverter circuit from a first power supply that supplies the first power supply voltage, and when the torque instruction value is the prescribed threshold value or greater, has the power supply voltage supplied to the inverter circuit from a second power supply that supplies a power supply voltage higher than the first power supply voltage.
Inventors:
HATSUDA TADAYUKI (JP)
OKUHATA YOSHIHISA (JP)
OKUHATA YOSHIHISA (JP)
Application Number:
PCT/JP2018/042265
Publication Date:
July 04, 2019
Filing Date:
November 15, 2018
Export Citation:
Assignee:
NIDEC TOSOK CORP (JP)
International Classes:
H02P4/00; H02M3/00; H02M7/48; H02P27/06
Foreign References:
| JP2017532942A | 2017-11-02 | |||
| JP2007335157A | 2007-12-27 | |||
| JPH0179397U | 1989-05-29 | |||
| JP2015216824A | 2015-12-03 | |||
| US20140191692A1 | 2014-07-10 |
Attorney, Agent or Firm:
KOHO IP LAW (JP)
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