Patents Assigned to STATE GRID COOPERATION OF CHINA, CO., LTD.
  • Direct current circuit breaker and its implementation
    Patent number: 10707674
    Abstract: The present invention provides a direct current circuit breaker and its implementation method, which includes a cutout circuit, a commutation circuit and a energy absorption circuit connected in parallel. Through using power semiconductor switch module to cut off the current, it will have a quickly action, without generating electric arc, while the modular construction also reduces the consistency requirements of the power electronic component.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: July 7, 2020
    Assignee: STATE GRID COOPERATION OF CHINA, CO., LTD.
    Inventors: Guangfu Tang, Chong Gao, Xiang Luo, Xiaoguang Wei, Yufeng Qiu, Junzheng Cao