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:
Nov. 22, 2016
Filed:
Apr. 04, 2014
Applicant:
Eaton Corporation, Cleveland, OH (US);
Inventors:
Qiang Fu, Milwaukee, WI (US);
Yi Yang, Milwaukee, WI (US);
Charles John Luebke, Hartland, WI (US);
Xin Zhou, Wexford, PA (US);
Assignee:
EATON CORPORATION, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/30 (2006.01); H02H 3/093 (2006.01); H02H 1/00 (2006.01); H02H 7/26 (2006.01);
U.S. Cl.
CPC ...
H02H 3/093 (2013.01); H02H 1/0076 (2013.01); H02H 7/261 (2013.01); H02H 7/30 (2013.01);
Abstract
A method of protecting a power distribution system from a fault on a feed conductor thereof, wherein an HFAC signal is provided to the feed conductor from a location downstream of the feed conductor in the power distribution system. The method includes, in a module located upstream of the feed conductor in the power distribution system, determining an HFAC signal magnitude in the module, the module including a circuit interrupter, and controlling operation of the circuit interrupter based on the determined magnitude.