Title:
PROPULSION CONTROL DEVICE AND PROPULSION CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/106149
Kind Code:
A1
Abstract:
This propulsion control device (1) mounted in a vehicle comprises: a power conversion unit (11) that generates three-phase AC power supplied to a plurality of motors (5a, 5b) from DC power or AC power supplied from a power supply line; a current detection unit (12) that detects the current value of the three-phase AC power supplied from the power conversion unit (11) to the plurality of motors (5a, 5b); and a control unit (13) that calculates the slip frequency from the current value detected by the current detection unit (12), computes the difference between the slip frequency and the slip frequency command value used for control of the plurality of motors (5a, 5b), and judges the connection status of the power conversion unit (11) and the plurality of motors (5a, 5b) based on the difference.
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Inventors:
NAKAGAWA AYANO (JP)
TAKAIRA YU (JP)
TAKAIRA YU (JP)
Application Number:
PCT/JP2019/046589
Publication Date:
June 03, 2021
Filing Date:
November 28, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P5/46; H02P27/08
Domestic Patent References:
| WO2006114817A1 | 2006-11-02 |
Foreign References:
| JPH06245301A | 1994-09-02 | |||
| JP2011147317A | 2011-07-28 | |||
| JP2017135790A | 2017-08-03 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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