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:
Dec. 02, 2025
Filed:
Sep. 16, 2021
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Od Naidu, Karnataka, IN;
Neethu George, Karnataka, IN;
Preetham Venkat Yalla, Karnataka, IN;
Suresh Maturu, Andhra Pradesh, IN;
Assignee:
Hitachi Energy Ltd, Zürich, CH;
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2020.01);
U.S. Cl.
CPC ...
G01R 31/086 (2013.01);
Abstract
Fault location determination in a power transmission system is described. Samples of voltage and current measured are obtained for each phase at a terminal. A first equivalent reactance value based on the samples of voltage and current is calculated. Further, based on the calculated equivalent reactance value a first fault location is determined.