Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306266 | Measuring DC link capacitance in power conversion systems | Navid R. Zargari, Yuan Xiao | 2025-05-20 |
| 11469685 | Filter and AFE power cell phase control | Zhituo Ni, Mehdi Narimani, Navid R. Zargari | 2022-10-11 |
| 11437938 | Systems and methods of multi-motor regenerative drive | Navid R. Zargari, Mehdi Narimani, Ahmed Hisham Abuelnaga | 2022-09-06 |
| 11342878 | Regenerative medium voltage drive (Cascaded H Bridge) with reduced number of sensors | Ahmed Hisham Abuelnaga, Mehdi Narimani, Navid R. Zargari | 2022-05-24 |
| 11211879 | Capacitor size reduction and lifetime extension for cascaded H-bridge drives | Ahmed Hisham Abuelnaga, Zhituo Ni, Mehdi Narimani, Navid R. Zargari | 2021-12-28 |
| 10305368 | Method and apparatus for bypassing Cascaded H-Bridge (CHB) power cells and power sub cell for multilevel inverter | Navid R. Zargari, Yuan Xiao, Lixiang Wei | 2019-05-28 |
| 9923469 | Motor drive filter damping | Yuan Xiao, Lixiang Wei, Navid R. Zargari | 2018-03-20 |
| 9912221 | Method and apparatus for bypassing cascaded h-bridge (CHB) power cells and power sub cell for multilevel inverter | Navid R. Zargari, Yuan Xiao, Lixiang Wei | 2018-03-06 |
| 9831846 | Power conversion system | Navid R. Zargari | 2017-11-28 |
| 9812990 | Spare on demand power cells for modular multilevel power converter | Navid R. Zargari | 2017-11-07 |
| 9748862 | Sparse matrix multilevel actively clamped power converter | Navid R. Zargari | 2017-08-29 |
| 9653910 | Power structure diagnostic method and apparatus for improved motor drive diagnostic coverage | Reginald A. Drake, Angelo R. Bortolus, Marius G. Chis, John David Allan, Catalin Florin Gemanaru | 2017-05-16 |
| 9627994 | Cascaded H-bridge (CHB) inverter level shift PWM with rotation | Thomas A. Nondahl, Jingbo Liu, Navid R. Zargari | 2017-04-18 |
| 9559541 | Modular multilevel converter and charging circuit therefor | Bin Wu, Navid R. Zargari, Kai Tian, David Dewei Xu | 2017-01-31 |
| 9520800 | Multilevel converter systems and methods with reduced common mode voltage | Kai Tian, Bin Wu, David Dewei Xu | 2016-12-13 |
| 9425705 | Method and apparatus for bypassing cascaded H-bridge (CHB) power cells and power sub cell for multilevel inverter | Navid R. Zargari, Yuan Xiao, Lixiang Wei | 2016-08-23 |
| 9372172 | Systems and methods for detecting partial discharge in electrical components | Catalin Florin Gemanaru, Navid R. Zargari, Robert N. Bickford | 2016-06-21 |
| 9362839 | Power converter with common mode voltage reduction | Lixang Wei, Yuan Xiao, Navid R. Zargari | 2016-06-07 |
| 9325252 | Multilevel converter systems and sinusoidal pulse width modulation methods | Mehdi Narimani, Bin Wu, Navid R. Zargari | 2016-04-26 |
| 9304111 | Systems and methods for detecting partial discharge in electrical components | Catalin Florin Gemanaru, Navid R. Zargari, Robert N. Bickford | 2016-04-05 |
| 9083230 | Multilevel voltage source converters and systems | Mehdi Narimani, Bin Wu, Navid R. Zargari | 2015-07-14 |
| 9054589 | Method and apparatus for detecting power converter capacitor degradation using negative sequence currents | Yuan Xiao, Ghodratollah Esmaeili Rineh, Manish Pande, Navid R. Zargari | 2015-06-09 |
| 8982593 | Cascaded H-Bridge (CHB) inverter level shift PWM with rotation | Thomas A. Nondahl, Jingbo Liu, Navid R. Zargari | 2015-03-17 |
| 8810182 | Adaptive harmonic reduction apparatus and methods | Hua Zhou, Navid R. Zargari | 2014-08-19 |
| 8619446 | Cascaded H-bridge (CHB) inverter level shift PWM with rotation | Jingbo Liu, Thomas A. Nondahl, Navid R. Zargari | 2013-12-31 |