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:
Jul. 05, 2016
Filed:
Oct. 04, 2013
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Joseph Clark Rowny, Jr., Roanoke, VA (US);
John Earl Bittner, Troutville, VA (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/08 (2006.01); H02H 7/06 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
H02H 7/06 (2013.01); H02H 9/041 (2013.01);
Abstract
An arc flash mitigation system for use with a generator excitation system is provided. An exemplary arc flash mitigation system includes three semiconductor fuses, three current transformers, an overcurrent detection circuit, a gate firing circuit, and three pairs of thyristors respectively arranged in an anti-parallel phase-to-phase configuration. An exemplary method includes detecting an overcurrent and providing a gate signal to each of a plurality of thyristors included in a crowbar circuit.