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:
Jul. 04, 2023
Filed:
Dec. 18, 2020
Applicant:
Hitachi Energy Switzerland Ag, Baden, CH;
Inventors:
Roberto Alves, Västerås, SE;
Nan Chen, Västerås, SE;
Frans Dijkhuizen, Skultuna, SE;
Jan Svensson, Västerås, SE;
Alireza Nami, Västerås, SE;
Assignee:
Hitachi Energy Switzerland AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/38 (2006.01); H01F 27/40 (2006.01);
U.S. Cl.
CPC ...
H01F 27/385 (2013.01); H01F 27/402 (2013.01);
Abstract
Provided is a transformer arrangement wherein active and/or reactive power can be injected in an alternating current link using a current regulator and a voltage regulator portion, wherein at least one winding with which the current regulator is connected in parallel is at least one tertiary winding, and wherein the current regulator includes a number of current regulator sections, each connected to a corresponding voltage regular section of a voltage regulator portion via a corresponding dc link.