The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2015
Filed:
Mar. 26, 2012
Applicants:
Haihui LU, Shanghai, CN;
Zhenhuan Yuan, Shanghai, CN;
Lixiang Wei, Whitefish Bay, WI (US);
Russel Kerkman, Milwaukee, WI (US);
Richard Lukaszewski, New Berlin, WI (US);
Ahmed Mohamed Sayed Ahmed, Mequon, WI (US);
Inventors:
Haihui Lu, Shanghai, CN;
Zhenhuan Yuan, Shanghai, CN;
Lixiang Wei, Whitefish Bay, WI (US);
Russel Kerkman, Milwaukee, WI (US);
Richard Lukaszewski, New Berlin, WI (US);
Ahmed Mohamed Sayed Ahmed, Mequon, WI (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 9/00 (2006.01); F03D 7/02 (2006.01); F03D 7/04 (2006.01); H02J 3/38 (2006.01); H02P 9/00 (2006.01); H02P 9/10 (2006.01);
U.S. Cl.
CPC ...
F03D 7/0224 (2013.01); Y02E 10/723 (2013.01); F03D 7/04 (2013.01); F03D 9/003 (2013.01); H02J 3/386 (2013.01); H02P 9/007 (2013.01); H02P 9/102 (2013.01); Y02E 10/763 (2013.01); H02P 2101/15 (2015.01);
Abstract
A double fed induction generator (DFIG) converter method are presented in which rotor side current spikes are attenuated using series-connected damping resistance in response to grid fault occurrences or grid fault clearances.