Patents by Inventor Zengqin LI

Zengqin LI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230356629
    Abstract: A system for implementing continuous co-phase flexible alternating current traction power supply and an operation mode therefor includes at least one flexible traction substation and neutral sections. Each flexible traction substation includes a first power inlet line and a second power inlet line, each of which is coupled to one end of a corresponding breaker, the other end of the corresponding breaker is coupled to a primary side of one traction transformer, and a secondary side of the traction transformer is coupled to a plurality of SPCs. SPCs corresponding to each set of traction transformer are coupled in parallel and coupled to a bus of the flexible traction substation through breakers. One feeder line is provided between the bus of the flexible traction substation and each of an up-track line and a down-track line of an overhead contact system, and each feeder line is provided with one up-to-net breaker thereon.
    Type: Application
    Filed: March 18, 2022
    Publication date: November 9, 2023
    Inventors: Yunzhi LIN, Yingdong WEI, Xiaoqian LI, Yinjun ZHAO, Zhanhe LI, Zengqin LI, Chao LU, Hongzhi HUANG, Ziming LI, Mingrui LI