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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/091602
Kind Code:
A1
Abstract:
This motor control device is provided with: an inverter circuit that has a plurality of P-side switching elements and a plurality of N-side switching elements and that drives a motor via a plurality of motor terminals; a first dynamic brake that applies brakes to the motor by means of turning on all phases of the plurality of P-side switching elements or all phases of the plurality of N-side switching elements; a second dynamic brake that connects dynamic brake resistance between the motor terminals to apply brakes to the motor; and a control unit that, in accordance with motor speed, switches the dynamic brake that is to apply brakes to the motor between the first dynamic brake and the second dynamic brake.

Inventors:
OGAWA KENJI (JP)
Application Number:
PCT/JP2012/082363
Publication Date:
June 19, 2014
Filing Date:
December 13, 2012
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
OGAWA KENJI (JP)
International Classes:
H02P3/22
Foreign References:
JPH048185A1992-01-13
JPH0412686A1992-01-17
JP2009284575A2009-12-03
JP2007282460A2007-10-25
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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