Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9240733 | High dynamic control apparatus for current source converter | Semyon Royak, Jingya Dai, Sang Woo Nam, Ehshan Al-Nabi | 2016-01-19 |
| 9054589 | Method and apparatus for detecting power converter capacitor degradation using negative sequence currents | Zhongyuan Cheng, Yuan Xiao, Ghodratollah Esmaeili Rineh, Navid R. Zargari | 2015-06-09 |
| 8937796 | Variable frequency drive and methods for filter capacitor fault detection | Yuan Xiao, Navid R. Zargari, Vijay Khatri | 2015-01-20 |
| 8400085 | Dynamic braking for current source converter based drive | Ghodratollah Esmaeili Rineh, Sang Woo Nam, Zhongyuan Cheng | 2013-03-19 |
| 8350397 | Current source converter-based wind energy system | Yongqiang Lang, Navid R. Zargari, Bin Wu | 2013-01-08 |
| 8259426 | Variable frequency drive and methods for filter capacitor fault detection | Yuan Xiao, Navid R. Zargari, Vijay Khatri | 2012-09-04 |
| 8030791 | Current source converter-based wind energy system | Yongqiang Lang, Navid R. Zargari, Bin Wu | 2011-10-04 |
| 7990097 | Power conversion system and method for active damping of common mode resonance | Zhongyuan Cheng, Navid R. Zargari, Yuan Xiao | 2011-08-02 |
| 7683568 | Motor drive using flux adjustment to control power factor | Yunwei Li | 2010-03-23 |
| 7602132 | Methods and system for motor drive information capture | Wayne R. Davis | 2009-10-13 |
| 7368890 | Power converter with active discharging for improved auto-restart capability | Jason Cornelius Wiseman | 2008-05-06 |