Lixiang Wei
100Patents
11h-index
74Co-inventors
83Inventor score
Filing activity: Jun 20, 2003 → Nov 9, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7190143B2 | Pulse width modulation (PWM) rectifier with variable switching frequency | Electricity | 72 | Expired |
| US6995992B2 | Dual bridge matrix converter | Electricity | 33 | Expired |
| US7356441B2 | Junction temperature prediction method and apparatus for use in a power conversion module | Electricity | 27 | Expired |
| US9389263B2 | Filter capacitor degradation identification using measured and expected voltage | Physics | 17 | Active |
| US9318976B1 | Adjustable PWM method to increase low speed starting torque and inverter voltage measurement accuracy | Electricity | 16 | Active |
| US8432052B2 | Wind power converter system with grid side reactive power control | Emerging Cross-Sectional Technologies | 16 | Active |
| US8188693B2 | DC bus boost method and system for regenerative brake | Emerging Cross-Sectional Technologies | 14 | Active |
| US9236828B1 | Methods and power conversion system control apparatus to control IGBT junction temperature at low speed | Electricity | 14 | Active |
| US7830036B2 | Power electronic module pre-charge system and method | Electricity | 13 | Active |
| US10158299B1 | Common voltage reduction for active front end drives | Electricity | 12 | Active |
| US8816631B2 | Apparatus and method for energy efficient motor drive standby operation | Emerging Cross-Sectional Technologies | 11 | Active |
| US8841917B2 | Ground scheme identification method | Electricity | 11 | Active |
| US7535738B2 | Method and apparatus including multi-drive configurations for medium voltage loads | Electricity | 11 | Active |
| US7825621B2 | Junction temperature reduction for three phase inverters modules | Electricity | 10 | Active |
| US9092030B2 | Method to implement drive diagnostics and prognostics automatically | Electricity | 10 | Active |
| US8570003B2 | Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethrough | Electricity | 10 | Active |
| US9042146B2 | DC pre-charge circuit | Electricity | 9 | Active |
| US8643383B2 | Drive failure protection | Emerging Cross-Sectional Technologies | 9 | Active |
| US9041234B2 | Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough | Emerging Cross-Sectional Technologies | 8 | Active |
| US7826985B2 | Power module life estimation fatigue function | Electricity | 8 | Active |
| US7602622B2 | Compensator with filter for use with a three-phase drive powering a one-phase load | Electricity | 7 | Active |
| US9837924B1 | Precharge apparatus for power conversion system | Electricity | 7 | Active |
| US8148929B2 | Power electronic module IGBT protection method and system | Electricity | 7 | Active |
| US7502238B2 | Rectifier for reducing current harmonics from unbalanced source | Electricity | 7 | Active |
| US7518891B2 | Auxiliary circuit for use with three-phase drive with current source inverter powering a single-phase load | Electricity | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.