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:
Jun. 24, 2025
Filed:
Aug. 26, 2021
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Sourabh Mehndiratta, Haryana, IN;
Sandeep Pabbathi, Telangana, IN;
Prabakaran Selvaraj, Bangalore, IN;
Arulselvan Govindaraj, Coimbatore, IN;
Sachin Srivastava, Karnataka, IN;
Assignee:
Hitachi Energy Ltd, Zürich, CH;
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/16 (2006.01);
U.S. Cl.
CPC ...
H02H 7/16 (2013.01);
Abstract
Fault detection in a shunt capacitor bank connected to a power system is described. Voltage and current measurements are obtained at a terminal of the shunt capacitor bank. An electrical parameter is calculated based on the voltage and current measurements, where the electrical parameter is an impedance angle or an active power. A difference between a first and a second value of the electrical parameter is calculated, based on which a fault is detected.