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:
Apr. 28, 2015
Filed:
Jul. 04, 2011
Staffan Norrga, Stockholm, SE;
Konstantinos Papastergiou, Geneva, CH;
Sasitharan Subramanian, Tamil Nadu, IN;
Tomas Jonsson, Västerås, SE;
Staffan Norrga, Stockholm, SE;
Konstantinos Papastergiou, Geneva, CH;
Sasitharan Subramanian, Tamil Nadu, IN;
Tomas Jonsson, Västerås, SE;
ABB Technology AG, Zurich, CH;
Abstract
It is presented a high voltage DC/DC converter for converting between a first DC connection and a second DC connection. The high voltage DC/DC converter comprises: a first set of DC terminals; a second set of DC terminals); a multiphase transformer device comprising a plurality of primary windings and a corresponding plurality of secondary windings; a first converter arranged to convert DC to AC, comprising a plurality of phase legs serially connected between the first set of DC terminals, wherein each phase leg is connected to an AC connection of a respective primary winding; and a second converter arranged to convert AC from the secondary windings to DC on the second set of DC terminals.