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Title:
PARALLEL-SERIES EXCITED DIRECT CURRENT MOTOR DRIVING DEVICE, AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/135663
Kind Code:
A1
Abstract:
The present invention provides a parallel-series excited direct current motor driving device and an electric apparatus. The parallel-series excited direct current motor driving device provided by the present invention comprises a parallel-series excited direct current motor, a direct current power source, and a chopper, wherein the chopper comprises m chopping units; a control signal comprises m unit control signals that respectively correspond to the m chopping units and are formed according to a predetermined phase shifting rule; each unit control signal comprises w switch control signals corresponding to w switch control ends in the corresponding chopping unit; the m first power output ends of all the chopping units and the m second power output ends of all the chopping units respectively correspondingly form m pairs of power output terminals; the m pairs of external wiring terminals of the parallel-series excited direct current motor are connected with the m pairs of power output terminals in a one-to-one correspondence manner; m is a positive integer that is not less than 2, and w is 1, 2, or 4.

Inventors:
LI SHAOLONG (CN)
JIN AIJUAN (CN)
Application Number:
PCT/CN2019/128982
Publication Date:
July 02, 2020
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
UNIV OF SHANGHAI FOR SCIENCE AND TECHNOLOGY (CN)
International Classes:
H02K23/10; H02P7/06
Foreign References:
CN106655924A2017-05-10
CN106602947A2017-04-26
CN101227136A2008-07-23
TW202523B1993-03-21
EP0181938A11986-05-28
Attorney, Agent or Firm:
SHANGHAI BANGDE PATENT AGENCY (CN)
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