| 9190923 |
System and method for converter switching frequency control |
Xiaoming Yuan, Zhuohui Tan, Yunfeng Liu, Wenqiang Yang, Pengcheng Zhu |
2015-11-17 |
| 8547715 |
Apparatus and method for DC/AC systems to ride through grid transients |
Xiaoming Yuan, Zhuohui Tan |
2013-10-01 |
| 8014181 |
Power conversion control system |
Zhuohui Tan, Robert William Delmerico, Xiaoming Yuan |
2011-09-06 |
| 7940131 |
Apparatus, method and computer program product for tracking information in an electric grid |
John D. D'Atre, Robert Allen Seymour, Allen Michael Ritter, Xiaoming Yuan, Renchang Dai +1 more |
2011-05-10 |
| 7928780 |
Phase-locked-loop circuit |
Xiaoming Yuan, Zhuohui Tan, Robert William Delmerico, Robert Allen Seymour |
2011-04-19 |
| 7852643 |
Cross current control for power converter system |
Richard S. Zhang, Changyong Wang, Zhuohui Tan |
2010-12-14 |
| 7804184 |
System and method for control of a grid connected power generating system |
Xiaoming Yuan, Allen Michael Ritter, Robert William Delmerico |
2010-09-28 |
| 7745949 |
Method and apparatus for assembling electrical machines |
Wenqiang Yang, Zhigang Lu, Anthony Michael Klodowski, Ralph Teichmann, Changyong Wang +1 more |
2010-06-29 |
| 7532490 |
Converter topology and methods for interfacing an electrical machine to electrical power grid |
Rajib Datta, Richard S. Zhang, Ravisekhar Nadimpalli Raju, Allen Ritter |
2009-05-12 |
| 7456695 |
Apparatus, method and computer program product for tracking information in an electric grid |
John D. D'Atre, Robert Allen Seymour, Allen Michael Ritter, Xiaoming Yuan, Renchang Dai +1 more |
2008-11-25 |
| 7423412 |
Method, apparatus and computer program product for injecting current |
Robert Allen Seymour, John D. D'Atre, Allen Michael Ritter, Xiaoming Yuan, Renchang Dai +1 more |
2008-09-09 |
| 7359223 |
Power converter system and method |
Rajib Datta, Kunlun Chen, Ravisekhar Nadimpalli Raju |
2008-04-15 |
| 7327134 |
Method and system for transformer control |
Kunlun Chen, Rajib Datta, Allen Michael Ritter |
2008-02-05 |
| 7253537 |
System and method of operating double fed induction generators |
Robert William Delmerico, Xiaoming Yuan, Changyong Wang |
2007-08-07 |