Title:
POWER CONVERTER CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2020145906
Kind Code:
A
Abstract:
To provide a power converter control device capable of further improving convenience.SOLUTION: The power converter control device includes: a notification unit; and a control unit. The notification unit performs an abnormality notification process for notifying a signal indicating that an abnormality has occurred in an AC motor when it is determined that an abnormality has occurred in the AC motor. The abnormality notification process of the notification unit stops the abnormality notification process of the notification unit during a second predetermined time after a source of AC power for the AC motor is switched from a first power converter to a second power converter and performs a notification control process for resuming the abnormality notification process of the notification unit when a fluctuation of a value related to a current input to the AC motor is equal to or less than a first predetermined reference or less.SELECTED DRAWING: Figure 3
Inventors:
DOI NOBUAKI
Application Number:
JP2019042933A
Publication Date:
September 10, 2020
Filing Date:
March 08, 2019
Export Citation:
Assignee:
TOSHIBA MITSUBISHI ELEC IND
International Classes:
H02P29/024; H02P5/46
Domestic Patent References:
| JP2017127158A | 2017-07-20 | |||
| JP2008236993A | 2008-10-02 | |||
| JP5491210B2 | 2014-05-14 |
Attorney, Agent or Firm:
Sumio Tanai
Taichi Sakai
Kajii Yoshinori
Taichi Sakai
Kajii Yoshinori