Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640981 | Frequency-conversion differential protection method for output transformer of static frequency converter system | Jun Chen, Wei Yan, Huimin Wang, Kai Wang, Huazhong Li | 2017-05-02 |
| 9584007 | Current source converter differential protection method and relay protection device | Qixue Zhang, Jun Chen, Wei Yan, Xiangjian SHI, Guang-Cheng Wang +1 more | 2017-02-28 |