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:
Sep. 07, 2021

Filed:

Oct. 05, 2016
Applicant:

Abb Power Grids Switzerland Ag, Baden, CH;

Inventors:

Obbalareddi Demudu Naidu, Bangalore, IN;

Vinay Kariwala, Howrah, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/26 (2006.01); H02H 1/00 (2006.01); G01R 31/08 (2020.01); H02H 3/08 (2006.01);
U.S. Cl.
CPC ...
H02H 7/265 (2013.01); G01R 31/085 (2013.01); H02H 1/0007 (2013.01); H02H 3/08 (2013.01); H02H 7/263 (2013.01);
Abstract

The invention provides a method and system for protection in response to a fault in a mixed line. The mixed line comprises two or more sections, with a first substation at a first end and a second substation at a second end. Every two consecutive sections of the mixed line are separated at a junction. The method is performed by an IED, and comprises obtaining one or more measurements of current at the first end, and one or more measurements of current at the second end. The method also comprises identifying a section of the two or more sections having the fault, by estimating a value of current for each junction and comparing the estimated value with the one or more measurements of current. In addition, the method comprises controlling a switching device based on the section identified with the fault.


Find Patent Forward Citations

Naidu, Obbalareddi. (2021). Method and system for protection in a mixed line (U.S. Patent No. 11114843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11114843

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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