Patents by Inventor Bijie Li

Bijie 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).

  • Photovoltaic inverter system, potential induced degradation effect compensation method and device for the same
    Patent number: 9923517
    Abstract: A photovoltaic inverter system and a method, and a PID effect compensation device for the photovoltaic inverter system are provided. A processing control unit records operation conditions of photovoltaic modules, determines whether a PID effect compensation condition is met, calculates a compensation voltage optimally and controls the integrated PID compensation device to perform PID effect compensation on the photovoltaic modules.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: March 20, 2018
    Assignee: SUNGROW POWER SUPPLY CO., LTD.
    Inventors: Changyou Wang, Wei Sun, Bijie Li