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:
Nov. 21, 2023
Filed:
Dec. 19, 2019
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Ahmed Abdelhakim, Västerås, SE;
Haofeng Bai, Västerås, SE;
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/30 (2006.01); H02J 3/24 (2006.01); H02J 15/00 (2006.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
H02J 3/30 (2013.01); H02J 3/241 (2020.01); H02J 15/007 (2020.01); H02M 7/5387 (2013.01);
Abstract
A frequency support system arranged for providing frequency support to an AC grid. The system includes an ES arrangement, and a bi-directional DC/AC power electronic converter interface configured for connecting the ES arrangement with the grid. The ES arrangement includes a plurality of series connected ES groups, each ES group including a plurality of parallel connected ES modules, each ES module including an energy storage interfaced by a bi-directional power electronic ES converter configured for connecting the ES with a DC side of the converter interface.