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. 22, 2022

Filed:

Sep. 28, 2020
Applicant:

Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);

Inventors:

Edmund O. Schweitzer, III, Pullman, WA (US);

David E. Whitehead, Pullman, WA (US);

Tony J. Lee, Henderson, NV (US);

Krishnanjan Gubba Ravikumar, Pullman, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 13/00 (2006.01); H02H 7/22 (2006.01); H02H 3/027 (2006.01); H02H 1/00 (2006.01); H02H 3/04 (2006.01);
U.S. Cl.
CPC ...
H02H 7/22 (2013.01); H02H 1/0092 (2013.01); H02H 3/027 (2013.01); H02J 13/00004 (2020.01); H02J 13/0004 (2020.01); H02H 3/04 (2013.01);
Abstract

Primary protection relays and an integrator disclosed for providing primary protection and secondary applications for an electric power delivery system. The primary protection relays obtain signals from, and provide primary protection operations for the power system, and may operate independently from the integrator. An integrator receives signals and status communications from the primary protection relays to perform secondary applications for the electric power delivery system. The secondary applications may include backup protection, system protection, interconnected protection, and automation functions.


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