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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/069363
Kind Code:
A1
Abstract:
A motor control device according to the present invention drive-controls a plurality of motors connected in parallel with each other, wherein the motor control device comprises: a power conversion device for converting electric power from a power supply and feeding the converted power to the plurality of motors; a switching device that is switched on/off to electrically connect or disconnect the power conversion device and the motors to/from each other; a current detection means for detecting the current flowing to the plurality of motors; and a control device for controlling the power conversion device according to a speed command value from the exterior and the switching device, and the current value as detected by the current detection means. The control device performs control in which the switching device is switched from off to on so that the timing at which control for decelerating the motor commences varies between each of the motors.

Inventors:
WADA, Yasuhiko (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TSUMURA, Akihiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/035952
Publication Date:
April 11, 2019
Filing Date:
October 03, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02P1/58; H02P3/00; H02P5/46
Foreign References:
JP2007259554A2007-10-04
JPH1189259A1999-03-30
JP2009207226A2009-09-10
JP2017011873A2017-01-12
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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