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:
Feb. 21, 2017
Filed:
Aug. 28, 2012
Anirudh Acharya, Udupi, IN;
Dimitris Giannoccaro, Stockholm, SE;
Gopichand Bopparaju, Ludvika, SE;
Malaya Kumar Sahu, Bhubaneswar, IN;
Soubhik Auddy, Kolkata, IN;
Subhasish Mukherjee, Halisahar, IN;
Anirudh Acharya, Udupi, IN;
Dimitris Giannoccaro, Stockholm, SE;
Gopichand Bopparaju, Ludvika, SE;
Malaya Kumar Sahu, Bhubaneswar, IN;
Soubhik Auddy, Kolkata, IN;
Subhasish Mukherjee, Halisahar, IN;
ABB SCHWEIZ AG, Baden, CH;
Abstract
It is presented a converter device arranged to convert power between a first high voltage direct current, HVDC, connection, a second HVDC connection and an AC connection. The converter device comprises: a first power converter comprising a phase leg provided between terminals of the first HVDC connection, the phase leg comprising a positive arm, an inductor, an AC connection and a negative arm. Each one of the positive arm and the negative arm comprises converter cells and one of the converter cells is a first host converter cell. Each converter cell comprises two main switching elements and a storage element, the two switching elements being arranged serially in parallel with the energy storage element. The converter device also comprises a power converter section comprising a first converter cell comprising at least two switching elements connected serially in parallel with the energy storage element of the first host converter cell. The converter device is arranged to control the switching elements of the first switching element string in dependence of the state of the main switching elements of the first host converter cell.