Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919650 | Hybrid synchronization phase angle generation method | — | 2005-07-19 |
| 6714424 | Dead-time compensation with narrow pulse elimination in solid- state switch devices | Kon-King M. Wang, Steven J. Kowalec | 2004-03-30 |
| 6603672 | Power converter system | Dumitru Raceu, Kent M. Harmon | 2003-08-05 |
| 6583996 | Method and system for detecting a negative sequence for three phase grid-connected inverter systems | Kon-King M. Wang | 2003-06-24 |
| 6362988 | System and method for synchronizing the phase angle for an AC power source in parallel operation with a grid | Mukunda V. Prema | 2002-03-26 |
| 6246343 | Increment encoder failure detection | Kenneth James Farkas | 2001-06-12 |
| 6239997 | System for connecting and synchronizing a supplemental power source to a power grid | — | 2001-05-29 |
| 6178103 | Method and circuit for synchronizing parallel voltage source inverters | Kon-King M. Wang, Vijay Bhavaraju | 2001-01-23 |
| 6169679 | Method and system for synchronizing the phase angles of parallel connected inverters | Kon-King M. Wang | 2001-01-02 |
| 6047787 | Voltage control method for an electric motor control system | Christos Kambouris, Kent M. Harmon | 2000-04-11 |
| 5994859 | Torsional oscillation compensation in the drivetrain of a motor vehicle | Jack Xu, Mukunda V. Prema | 1999-11-30 |
| 5821720 | Backlash elimination in the drivetrain of an electric vehicle | Jack Xu, Kenneth James Farkas | 1998-10-13 |
| 5739664 | Induction motor drive controller | Xingyi Xu | 1998-04-14 |
| 5627446 | Induction motor control method | Xingyi Xu | 1997-05-06 |
| 5552977 | Three phase inverter circuit with improved transition from SVPWM to six step operation | Xingyi Xu | 1996-09-03 |