Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10725116 | Automatic system grounding condition detection | Lixiang Wei, Jiangang Hu | 2020-07-28 |
| 10302688 | System and method for ground fault detection | Jiangang Hu, Zhijun Liu, Lixiang Wei | 2019-05-28 |
| 9684026 | Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive system | Lixiang Wei, Jiangang Hu, Zhijun Liu | 2017-06-20 |
| 9604543 | Apparatus and method for automatic ground fault location determination in high resistance grounded motor drive system | Jiangang Hu, Lixiang Wei, Zhijun Liu | 2017-03-28 |
| 9383399 | HRG ground fault detector and method using phase inputs to generate a simulated neutral voltage | Lixiang Wei, Jiangang Hu | 2016-07-05 |
| 9318976 | Adjustable PWM method to increase low speed starting torque and inverter voltage measurement accuracy | Lixiang Wei, Timothy M. Rowan | 2016-04-19 |
| 9236828 | Methods and power conversion system control apparatus to control IGBT junction temperature at low speed | Lixiang Wei, Jiangang Hu | 2016-01-12 |
| 7894169 | High resistance ground protection employing AC drive characteristics | Carlos Rodriguez Valdez, Russel J. Kerkman, David Dahl, Nickolay N. Guskov | 2011-02-22 |