Title:
MOTOR DRIVE DEVICE AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2020/174621
Kind Code:
A1
Abstract:
This motor drive device drives motors (41, 42) by one inverter (4) and is provided with an out-of-step control unit (30). The out-of-step control unit (30) detects whether at least one of the motors (41, 42) has been out of step or not. When at least one motor is out of step, the out-of-step control unit (30) switches the energization state of the inverter (4) to stop the motors (41, 42).
Inventors:
SHIMIZU YUICHI (JP)
HATAKEYAMA KAZUNORI (JP)
HATAKEYAMA KAZUNORI (JP)
Application Number:
PCT/JP2019/007643
Publication Date:
September 03, 2020
Filing Date:
February 27, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P5/46
Foreign References:
| JP2015023621A | 2015-02-02 | |||
| JP2001025282A | 2001-01-26 | |||
| JPS5563501A | 1980-05-13 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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