Patents by Inventor Jiangchao Qin

Jiangchao Qin 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).

  • Generalized equivalent circuit model of MMC-HVDC for power system simulation
    Patent number: 11404973
    Abstract: A method to simulate a circuit includes receiving at least one circuit requirement and at least one Modular Multilevel Converter (MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and DC grids in a hybrid AC and DC power system.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 2, 2022
    Inventors: Di Shi, Xiaoying Zhao, Feng Xue, Wei Li, Huimin Peng, Jiangchao Qin, Chaoyang Jing, Zhiwei Wang
  • Generalized Equivalent Circuit Model of MMC-HVDC for Power System Simulation
    Publication number: 20200201953
    Abstract: A method to simulate a circuit includes receiving at least one circuit requirement and at least one Modular Multilevel Converter (MMC) parameter; determining an operating mode and switching states of an arm circuit; determining each capacitor current based on the switching states and an arm current; determining capacitor voltage and arm voltage; and generating an equivalent circuit model to simulate MMC-based HVDC systems and DC grids in a hybrid AC and DC power system.
    Type: Application
    Filed: September 6, 2019
    Publication date: June 25, 2020
    Inventors: Di Shi, Xiaoying Zhao, Feng Xue, Wei Li, Huimin Peng, Jiangchao Qin, Chaoyang Jing, Zhiwei Wang