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Title:
MEGAWATT-LEVEL DIRECT-DRIVE PERMANENT MAGNET ELECTRIC DRIVE SYSTEM FOR ELECTRIC LOCOMOTIVE
Document Type and Number:
WIPO Patent Application WO/2020/093463
Kind Code:
A1
Abstract:
Provided is a megawatt-level direct-drive permanent magnet electric drive system for electric locomotive, comprising: a first precharging module, a second precharging module, a first four-quadrant rectifier, a second four-quadrant rectifier, a first chopping module, a second chopping module, an intermediate DC circuit, a first inverter module, a second inverter module, a third inverter module and an auxiliary converter. The system can control the direct-drive permanent magnet synchronous motor in electric locomotive using high-power direct-drive permanent magnet synchronous motor, filling the gap in the application of high-power direct-drive permanent magnet synchronous motor in electric locomotive.

Inventors:
WANG BIN (CN)
ZHAN ZHEJUN (CN)
ZHANG RUIFENG (CN)
ZHANG QIAOJUAN (CN)
ZHANG JIBIN (CN)
LIANG HAIGANG (CN)
NIU JIANBO (CN)
YANG GAOXING (CN)
LU YAO (CN)
SU PENGCHENG (CN)
Application Number:
PCT/CN2018/116996
Publication Date:
May 14, 2020
Filing Date:
November 22, 2018
Export Citation:
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Assignee:
CRRC YONGJI ELECTRIC CO LTD (CN)
International Classes:
B61C3/00; B60L9/24
Foreign References:
CN103129564A2013-06-05
CN204586534U2015-08-26
CN107086824A2017-08-22
CN206217647U2017-06-06
JP4156426B22008-09-24
JP3890924B22007-03-07
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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