Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677540 | System and method for providing yaw backup to a wind farm | Rajni Kant Burra, Govardhan Ganireddy, Victor Abate, Keith LONGTIN, Herman Wiegman | 2017-06-13 |
| 8942856 | Power converter and methods of controlling the same | Wei Ren, Kathleen Ann O'Brien, Yan Pan | 2015-01-27 |
| 8405247 | Method and apparatus for control of fault-induced delayed voltage recovery (FIDVR) with photovoltaic and other inverter-based devices | Nicholas Wright Miller, Reigh Allen Walling, Einar Vaughn Larsen | 2013-03-26 |
| 8373312 | Solar power generation stabilization system and method | Kathleen Ann O'Brien | 2013-02-12 |
| 8344550 | Power conversion control with energy storage | Xiaoming Yuan | 2013-01-01 |
| 8338987 | Power generation frequency control | Kathleen Ann O'Brien, Owen Jannis Schelenz | 2012-12-25 |
| 8319374 | Electrical system and control method | Changyong Wang, Zhuohui Tan, Allen Michael Ritter, Ralph Teichmann, Richard S. Zhang +2 more | 2012-11-27 |
| 8237301 | Power generation stabilization control systems and methods | Rajni Kant Burra | 2012-08-07 |
| 8227929 | Multi-use energy storage for renewable sources | Rajni Kant Burra, Sumit Bose, Divya Kurthakoti Chandrashekhara | 2012-07-24 |
| 8174150 | System and method for control of a grid connected power generating system | Einar Vaughn Larsen | 2012-05-08 |
| 8058753 | Wide area transmission control of windfarms | Alfredo Sebastian Achilles, Parag Vyas | 2011-11-15 |
| 8018083 | HVDC connection of wind turbine | Einar Vaughn Larsen | 2011-09-13 |
| 8014181 | Power conversion control system | Zhuohui Tan, Xiaoming Yuan, Haiqing Weng | 2011-09-06 |
| 8013461 | Power conversion system and method for a rotary power generation system | Xiaoming Yuan | 2011-09-06 |
| 7999418 | Electrical system and control method | Changyong Wang, Zhuohui Tan, Allen Michael Ritter, Ralph Teichmann, Richard S. Zhang +2 more | 2011-08-16 |
| 7994658 | Windfarm collector system loss optimization | Mark Edward Cardinal, Nicholas Wright Miller, Reigh Allen Walling | 2011-08-09 |
| 7990743 | System and method for decreasing solar collector system losses | Reigh Allen Walling, Mark Edward Cardinal, Nicholas Wright Miller | 2011-08-02 |
| 7982326 | System and method for controlling torque ripples in synchronous machines | Zhuohui Tan, Xiaoming Yuan, Changyong Wang, Ronghai Qu, Patrick Lee Jansen | 2011-07-19 |
| 7979167 | System and method for controlling operation of a solar power generation system | Mark Edward Cardinal, Nicholas Wright Miller, Dapeng Liu, Zhihong Ye | 2011-07-12 |
| 7952232 | Wind turbine energy storage and frequency control | Rajni Kant Burra, Ralph Teichmann, Abhitap Jain, Mark Shu | 2011-05-31 |
| 7939970 | Variable frequency wind plant | Reigh Allen Walling, Einar Vaughn Larsen | 2011-05-10 |
| 7940131 | Apparatus, method and computer program product for tracking information in an electric grid | Haiqing Weng, John D. D'Atre, Robert Allen Seymour, Allen Michael Ritter, Xiaoming Yuan +1 more | 2011-05-10 |
| 7928780 | Phase-locked-loop circuit | Xiaoming Yuan, Zhuohui Tan, Haiqing Weng, Robert Allen Seymour | 2011-04-19 |
| 7847526 | System and method for controlling torque ripples in synchronous machines | Zhuohui Tan, Xiaoming Yuan, Changyong Wang, Ronghai Qu, Patrick Lee Jansen | 2010-12-07 |
| 7804184 | System and method for control of a grid connected power generating system | Xiaoming Yuan, Allen Michael Ritter, Haiqing Weng | 2010-09-28 |