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:
Sep. 21, 2021
Filed:
Mar. 31, 2020
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Edmund O. Schweitzer, III, Pullman, WA (US);
David E. Whitehead, Pullman, WA (US);
Tony J. Lee, Henderson, NV (US);
David J. Casebolt, Moscow, ID (US);
Krishnanjan Gubba Ravikumar, Pullman, WA (US);
David Schmidt, Athens, GA (US);
Austin Edward Wade, Moscow, ID (US);
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Abstract
Systems and methods for testing a protection relay, such as a primary bus protection relay, may include a testing device for providing current signals imitating current on both sides of a bus to the primary bus protection relay. The signals may be provided using signals corresponding with a signal format from merging units or other monitoring devices. The testing device may be configured to receive communications from the primary bus protection relay for evaluation of the operation of the primary bus protection relay.