Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10389263 | Motor drive with silicon carbide MOSFET switches | Kevin Baumann, Rangarajan M. Tallam, Lixiang Wei, Lee Gettelfinger, Garron Morris +6 more | 2019-08-20 |
| 10217555 | Compact inductor | Xikai Sun, Wei Qian, Shaofeng Zhang, Haihui Lu, Lixiang Wei +2 more | 2019-02-26 |
| 9998030 | Converter lifetime improvement method for doubly fed induction generator | Lixiang Wei, Russel J. Kerkman, Haihui Lu, Zhenhuan Yuan | 2018-06-12 |
| 9960723 | Motor drive with resonance detection and impedance computation | Shaofeng Zhang, Haihui Lu, Yogesh Patel, Ahmed Mohamed Sayed Ahmed, Lixiang Wei | 2018-05-01 |
| 9787212 | Motor drive with silicon carbide MOSFET switches | Kevin Baumann, Rangarajan M. Tallam, Lixiang Wei, Lee Gettelfinger, Garron Morris +6 more | 2017-10-10 |
| 9612269 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, Brian P. Brown, David W. Kirschnik, Russ J. Kerkman +2 more | 2017-04-04 |
| 9590547 | Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough | Haihui Lu, Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Ahmed Mohamed Sayed Anmed | 2017-03-07 |
| 9331487 | Method and apparatus for islanding detection for grid tie converters | Zhenhuan Yuan, Shaofeng Zhang, Haihui Lu, Lixiang Wei, Russel J. Kerkman +2 more | 2016-05-03 |
| 9054599 | Power converter and integrated DC choke therefor | Lixiang Wei, Yuan Xiao, Navid R. Zargari | 2015-06-09 |
| 9048755 | Adjustable speed drive lifetime improvement system | Lixiang Wei, Russel J. Kerkman | 2015-06-02 |
| 9041234 | Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough | Haihui Lu, Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Ahmed S. Mohamed Sayed Ahmed | 2015-05-26 |
| 8841917 | Ground scheme identification method | Lixiang Wei, David W. Kirschnik, Gary L. Skibinski | 2014-09-23 |
| 8736091 | Converter lifetime improvement method for doubly fed induction generator | Lixiang Wei, Russel J. Kerkman, Haihui Lu, Zhenhuan Yuan | 2014-05-27 |
| 8698504 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, Brian P. Brown, David W. Kirschnik, Russ J. Kerkman +2 more | 2014-04-15 |
| 8570003 | Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethrough | Haihui Lu, Zhenhuan Yuan, Lixiang Wei, Russel J. Kerkman, Ahmed Mohamed Sayed Ahmed | 2013-10-29 |
| 8570775 | CMV reduction under bus transient condition | Lixiang Wei, Yuan Xiao, Navid R. Zargari | 2013-10-29 |
| 8519655 | DC bus boost method and system for regenerative brake | Lixiang Wei, Russel J. Kerkman, Brian J. Seibel | 2013-08-27 |
| 8471516 | Adjustable speed drive lifetime improvement method | Lixiang Wei, Russel J. Kerkman | 2013-06-25 |
| 8432052 | Wind power converter system with grid side reactive power control | Haihui Lu, Lixiang Wei, Russel J. Kerkman, Zhenhuan Yuan | 2013-04-30 |
| 8373406 | Electrical power quality test circuitry and method | Ahmed Mohamed Sayed Ahmed, Gary L. Skibinski | 2013-02-12 |
| 8188693 | DC bus boost method and system for regenerative brake | Lixiang Wei, Russel J. Kerkman, Brian J. Seibel | 2012-05-29 |
| 8148929 | Power electronic module IGBT protection method and system | Lixiang Wei, Masahiro Tsuyoshi | 2012-04-03 |
| 8117008 | Junction temperature prediction method and apparatus for use in a power conversion module | Russel J. Kerkman, Lixiang Wei, Brian P. Brown, Neil Gollhardt, Bruce W. Weiss | 2012-02-14 |
| 8086420 | Junction temperature prediction method and apparatus for use in a power conversion module | Russel J. Kerkman, Lixiang Wei, Brian P. Brown, Neil Gollhardt, Bruce W. Weiss | 2011-12-27 |
| 7902957 | Phase change cooled electrical resistor | John R. Brubaker, Paul J. Grosskreuz, Neil Gollhardt, Lawrence D. Radosevich, Bruce W. Weiss | 2011-03-08 |