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. 07, 2021
Filed:
May. 28, 2015
Applicant:
Abb Power Grids Switzerland Ag, Baden, CH;
Inventors:
Assignee:
ABB POWER GRIDS SWITZERLAND AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2020.01); G01R 31/327 (2006.01); H02H 7/26 (2006.01);
U.S. Cl.
CPC ...
G01R 31/085 (2013.01); G01R 31/088 (2013.01); G01R 31/3274 (2013.01); G01R 31/3275 (2013.01); H02H 7/265 (2013.01); H02H 7/263 (2013.01);
Abstract
A mechanism for travelling wave pilot protection of a transmission line and method for receiving indications of a travelling wave from two terminals of a transmission line, wherein two terminals are time synchronized. The method includes making a trip decision based on the indications using a short trip window. An arrangement is configured to perform the disclosed method.