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.

Date of Patent:
Jul. 08, 2025

Filed:

Oct. 12, 2021
Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Jon Rasmussen, Västra Frölunda, SE;

Gunnar Ingeström, Västerås, SE;

Assignee:

Hitachi Energy Ltd, Zurich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/00 (2006.01); H02J 3/18 (2006.01);
U.S. Cl.
CPC ...
H02J 3/00125 (2020.01); H02J 3/18 (2013.01);
Abstract

A system () for stabilising a power grid (), comprising a generator (), configured to provide power to the power grid (), the power having an active power component and a reactive power component, and a power line (), configured to transmit power from the generator () to the power grid (). The system () comprises a thyristor controlled braking resistor (TCBR) () arranged on the power line (), and a capacitor () electrically connected in series with the TCBR (). The TCBR () absorbs at least a portion of the reactive power component from the generator () during a fault on the power line () and the capacitor () is configured to compensate for the at least a portion of the reactive power component absorbed by the TCBR ().


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