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:
Mar. 11, 2025
Filed:
May. 31, 2021
Hitachi Energy Ltd, Zürich, CH;
Jean-Philippe Hasler, Västerås, SE;
Juergen Steinke, Albbruck, DE;
Gunnar Ingeström, Västerås, SE;
Jan Svensson, Västerås, SE;
Lexuan Meng, Västerås, SE;
Haofeng Bai, Västerås, SE;
Tong Wu, Västerås, SE;
Theodore Soong, Toronto, CA;
HITACHI ENERGY LTD, Zürich, CH;
Abstract
A module () for use in an energy storage system is provided, including a first terminal () and a second terminal (); a supercapacitor branch () including an arrangement () of one or more supercapacitors (), and a resistive bypass branch () including at least a first bypass switch () and a resistance () connected in series. The supercapacitor branch and the resistive bypass branch are connected in parallel between the first terminal and the second terminal. The module may further include a direct bypass branch () having a second bypass switch (), the direct bypass branch being also connected in parallel with the supercapacitor branch () between the first and second terminals. A control method of such a module and an energy storage system including several such modules, are also provided.