Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9083230 | Multilevel voltage source converters and systems | Mehdi Narimani, Bin Wu, Zhongyuan Cheng | 2015-07-14 |
| 9054599 | Power converter and integrated DC choke therefor | Lixiang Wei, Yuan Xiao, Richard A. Lukaszewski | 2015-06-09 |
| 9054589 | Method and apparatus for detecting power converter capacitor degradation using negative sequence currents | Zhongyuan Cheng, Yuan Xiao, Ghodratollah Esmaeili Rineh, Manish Pande | 2015-06-09 |
| 9007787 | Method and apparatus for bypassing Cascaded H-Bridge (CHB) power cells and power sub cell for multilevel inverter | Yuan Xiao, Lixiang Wei | 2015-04-14 |
| 8982593 | Cascaded H-Bridge (CHB) inverter level shift PWM with rotation | Thomas A. Nondahl, Jingbo Liu, Zhongyuan Cheng | 2015-03-17 |
| 8937796 | Variable frequency drive and methods for filter capacitor fault detection | Yuan Xiao, Manish Pande, Vijay Khatri | 2015-01-20 |
| 8810182 | Adaptive harmonic reduction apparatus and methods | Hua Zhou, Zhongyuan Cheng | 2014-08-19 |
| 8698335 | Low cost current source converters for power generation application | Jingya Dai, Bin Wu, David Dewei Xu, Jiacheng Wang | 2014-04-15 |
| 8619446 | Cascaded H-bridge (CHB) inverter level shift PWM with rotation | Jingbo Liu, Thomas A. Nondahl, Zhongyuan Cheng | 2013-12-31 |
| 8587160 | Grid fault ride-through for current source converter-based wind energy conversion systems | Jingya Dai, David Dewei Xu, Bin Wu | 2013-11-19 |
| 8570775 | CMV reduction under bus transient condition | Lixiang Wei, Yuan Xiao, Richard A. Lukaszewski | 2013-10-29 |
| 8537575 | Power converter and integrated DC choke therefor | Yuan Xiao, Zhongyuan Cheng, Lixiang Wei | 2013-09-17 |
| 8476859 | DC power for SGCT devices using a high frequency current loop with multiple current transformers | Angelo R. Bortolus, Bin Wu, Zhongyuan Cheng, Jahangir Afsharian, Vijay Khatri | 2013-07-02 |
| 8471514 | Adaptive harmonic reduction apparatus and methods | Zhongyuan Cheng, Yuan Xiao | 2013-06-25 |
| 8379417 | Power converter and integrated DC choke therefor | Yuan Xiao, Zhongyuan Cheng, Lixiang Wei | 2013-02-19 |
| 8350397 | Current source converter-based wind energy system | Yongqiang Lang, Manish Pande, Bin Wu | 2013-01-08 |
| 8259426 | Variable frequency drive and methods for filter capacitor fault detection | Yuan Xiao, Manish Pande, Vijay Khatri | 2012-09-04 |
| 8223511 | Common mode voltage reduction apparatus and method for current source converter based drive | Zhongyuan Cheng, Yuan Xiao | 2012-07-17 |
| 8044631 | Power conversion systems and methods for controlling harmonic distortion | Jingya Dai, Yongqiang Lang, Bin Wu, Dewei Xu | 2011-10-25 |
| 8030791 | Current source converter-based wind energy system | Yongqiang Lang, Manish Pande, Bin Wu | 2011-10-04 |
| 7990097 | Power conversion system and method for active damping of common mode resonance | Zhongyuan Cheng, Yuan Xiao, Manish Pande | 2011-08-02 |
| 7965526 | Self powered supply for power converter switch driver | Zhongyuan Cheng, Angelo R. Bortolus | 2011-06-21 |
| 7800348 | Motor drive with VAR compensation | — | 2010-09-21 |
| 7511976 | Self powered supply for power converter switch driver | Bin Wu, Weiqian Hu | 2009-03-31 |
| 7495938 | DC voltage balance control for three-level NPC power converters with even-order harmonic elimination scheme | Bin Wu, Steven C. Rizzo, Congwei Liu, Weixing Feng | 2009-02-24 |