Title:
SERIES-EXCITATION DIRECT-CURRENT ELECTRIC MOTOR DRIVING APPARATUS AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/135682
Kind Code:
A1
Abstract:
A series-excitation direct-current electric motor driving apparatus (100) and an electric device. The series-excitation direct-current electric motor driving apparatus (100) comprises: a series-excitation direct-current electric motor (10); a direct-current power source (30); and a chopper (20), wherein the chopper (20) has m chopper units (21); a control signal includes m unit control signals which respectively correspond to the m chopper units (21) and are formed according to a predetermined phase stagger rule; each of the unit control signals includes w switch control signals corresponding to w switch control ends of the corresponding chopper units (21); m first power source output ends (2211) of all the chopper units (21) and m second power source output ends (2212) of all the chopper units (21) respectively and correspondingly form m pairs of power source output terminals (221); and m pairs of external wiring terminals (151, 152, 153) of the series-excitation direct-current electric motor are connected to m pairs of power source output terminals (221, 222, 223) in one-to-one correspondence, wherein m is a positive integer not less than 2, and w is 1, 2 or 4.
Inventors:
JIN AIJUAN (CN)
LI SHAOLONG (CN)
LI SHAOLONG (CN)
Application Number:
PCT/CN2019/129048
Publication Date:
July 02, 2020
Filing Date:
December 27, 2019
Export Citation:
Assignee:
UNIV OF SHANGHAI FOR SCIENCE AND TECHNOLOGY (CN)
International Classes:
H02P7/298
Foreign References:
| CN105207548A | 2015-12-30 | |||
| CN106602947A | 2017-04-26 | |||
| CN101873097A | 2010-10-27 | |||
| CN104617835A | 2015-05-13 | |||
| EP3229365A1 | 2017-10-11 |
Attorney, Agent or Firm:
SHANGHAI BANGDE PATENT AGENCY (CN)
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