The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Jul. 02, 2021
Crrc Zhuzhou Institute Co., Ltd, Hunan, CN;
Zhuzhou Crrc Times Electric Co., Ltd., Hunan, CN;
Yu Qi, Hunan, CN;
Wenqing Mei, Hunan, CN;
Liangjie Liu, Hunan, CN;
Zechun Dou, Hunan, CN;
Xiong Liu, Hunan, CN;
Yuecheng Xie, Hunan, CN;
Bin Liu, Hunan, CN;
CRRC ZHUZHOU INSTITUTE CO., LTD, Hunan, CN;
ZHUZHOU CRRC TIMES ELECTRIC CO., LTD., Hunan, CN;
Abstract
There is provided an electric traction system, comprising: a step-down transformer comprising a primary winding for operatively coupling to an AC power supply and a secondary winding which is inductively coupled to the primary winding; a traction converter module comprising a first input terminal and a second input terminal which are operatively coupled to the secondary winding, and a plurality of AC-to-AC power converters, each of which comprises first and second input nodes, configured to receive AC power and output nodes configured to supply AC power, wherein the first and second input nodes, of the plurality of AC-to-AC power converters are electrically connected in series between the first input terminal and the second input terminal; and at least one electric motor configured to be driven by the traction converter module.