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. 18, 2015
Filed:
Mar. 11, 2011
Bertil Berggren, Västerås, SE;
Jurgen Häfner, Ludvika, SE;
Lars-erik Juhlin, Ludvika, SE;
Kerstin Linden, Ludvika, SE;
Lidong Zhang, Västerås, SE;
Bertil Berggren, Västerås, SE;
Jurgen Häfner, Ludvika, SE;
Lars-Erik Juhlin, Ludvika, SE;
Kerstin Linden, Ludvika, SE;
Lidong Zhang, Västerås, SE;
ABB TECHNOLOGY AG, Zurich, CH;
Abstract
A DC grid () comprising a plurality of AC/DC converters () which are interconnected via DC lines () is provided, wherein, in order to limit the effects of a fault in the DC grid, the DC grid is divided into at least two zones () by means of at least one current limiter () in a manner so that a current limiter is connected in each of the DC line(s) () by which two zones are interconnected. A method of limiting the effects of a fault in a DC grid by dividing the DC grid into at least two zones is also provided.