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.

Date of Patent:
Feb. 16, 2021

Filed:

Mar. 04, 2019
Applicant:

Southern States, Llc, Hampton, GA (US);

Inventors:

Jiyuan Fan, Hampton, GA (US);

Joseph R Rostron, Hampton, GA (US);

Hua Fan, Hampton, GA (US);

David Moore, Hampton, GA (US);

Raj Anand, Hampton, GA (US);

Brian Berner, Hampton, GA (US);

Buddy Reneau, Hampton, GA (US);

Assignee:

Southern States, LLC, Hampton, GA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/26 (2006.01); H02H 7/30 (2006.01); H02H 1/00 (2006.01); G01R 31/08 (2020.01); H02H 7/22 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
H02H 7/262 (2013.01); G01R 31/08 (2013.01); G01R 31/085 (2013.01); G01R 31/2836 (2013.01); H02H 1/0007 (2013.01); H02H 1/0092 (2013.01); H02H 7/22 (2013.01); H02H 7/261 (2013.01); H02H 7/30 (2013.01);
Abstract

Electric power Fault detection, isolation and restoration (FDIR) systems using 'smart switches' that autonomously coordinate operations to minimize the number of customers affected by outages and their durations, without relying on communications with a central controller or between the smart switch points. The smart switches typically operate during the substation breaker reclose cycles while the substation breakers are open, which enables the substation breakers to reclose successfully to restore service within their normal reclosing cycles. Alternatively, the smart switch may be timed to operate before the substation breakers trip to effectively remove the substation breakers from the fault isolation process. Both approaches allow the FDIR system to be installed with minimal reconfiguration of the substation protection scheme.


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