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:
Aug. 23, 2022
Filed:
Feb. 27, 2019
Hitachi Energy Switzerland Ag, Baden, CH;
Aravind Mohanaveeramani, Västerås, SE;
Jan Svensson, Västerås, SE;
Lennart Harnefors, Västerås, SE;
Alireza Nami, Västerås, SE;
HITACHI ENERGY SWITZERLAND AG, Baden, CH;
Abstract
The present disclosure relates to a converter cell () for an MMC. The cell comprises a primary energy storage (C), an inductor (Lf), and a secondary energy storage (C); and first and second converter valves (T, T). The secondary energy storage (C) is connected in series with the first converter valve (T), and together with said first converter valve in parallel with the inductor (L), and the primary energy storage (C) is connected in series with the second converter valve (T), and together with said second converter valve (T) in parallel with the inductor (L).