1、 Obtained the invention patent for "Method and Control Device for Power Frequency Inverter Starting Motor" on January 8, 2021 (Patent No. ZL 2019 1 0225473.4)

2、 Obtained an invention patent for "A Wind Power Unloading Circuit and Unloading Control Method" on April 6, 2021 (Patent No. ZL 2019 1 0237681.6)

3、 Obtained an invention patent for "Island Detection Method and Island Detection System" on July 9, 2021 (Patent No. ZL 2019 1 1015412.1)

4、 Obtained the invention patent for "A Control Method and Device for Inverter" on July 20, 2021 (Patent No. ZL 2019 1 0465394.0)

5、 Obtained an invention patent for "An Auxiliary Power Supply Circuit" on July 30, 2021 (Patent No. ZL 2019 1 0857317. X)

6、 Obtained the invention patent for "Control Method and Corresponding Control Device for Wind Turbine Output Current and Output Power" on September 14, 2021 (patent number: ZL 2020 1 0330193.2);

7、 Obtained the invention patent for "Wind Power Grid Connected Inverter and Its Control Method" on September 21, 2021 (patent number: ZL 2019 1 1345576.0)