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:
Aug. 03, 2021
Filed:
Jul. 02, 2020
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Edmund O. Schweitzer, III, Pullman, WA (US);
David E. Whitehead, Pullman, WA (US);
Krishnanjan Gubba Ravikumar, Pullman, WA (US);
Austin Edward Wade, Moscow, ID (US);
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Abstract
Systems and methods testing a power protection relay include a merging unit to receive signals from an electric power delivery system. The merging unit includes a test signal input to receive test signals from a testing device, a relay output to output at least one of the test signals to a power protection relay, a distribution output to output at least another of the test signals to one or more additional merging units, and a switch subsystem to route the test signal to the relay output or the distribution output.