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:
Jan. 01, 2013
Filed:
Sep. 05, 2007
Applicants:
Gunnar Asplund, Solna, SE;
Lars-erik Juhlin, Ludvika, SE;
Inventors:
Gunnar Asplund, Solna, SE;
Lars-Erik Juhlin, Ludvika, SE;
Assignee:
ABB Technology AG, Zürich, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/5387 (2007.01); H02M 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high voltage AC/DC or DC/AC power conversion system including a voltage source converter with at least two series-connected converter valve bridges, at least two reactors, where each of the reactors is connected to one of the AC phase terminals of the at least two bridges and at least one transformer connected to an AC supply voltage. In order to block a DC voltage from the at least one transformer, one of at least two capacitors is connected in series with each of the at least two reactors and is connected between the corresponding reactor and the at least one transformer.