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:
Dec. 08, 2015
Filed:
May. 11, 2010
Applicants:
Jurgen Häfner, Ludvika, SE;
Gunnar Asplund, Solna, SE;
Inventors:
Jurgen Häfner, Ludvika, SE;
Gunnar Asplund, Solna, SE;
Assignee:
ABB Technology AG, Zürich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/00 (2006.01); H01H 33/59 (2006.01); H02H 3/08 (2006.01); H01H 9/54 (2006.01); H02H 3/02 (2006.01); H02H 9/02 (2006.01);
U.S. Cl.
CPC ...
H01H 33/596 (2013.01); H01H 9/548 (2013.01); H01H 2009/543 (2013.01); H01H 2009/544 (2013.01); H02H 3/025 (2013.01); H02H 3/08 (2013.01); H02H 9/025 (2013.01);
Abstract
A high voltage DC breaker apparatus configured to break a fault current occurring in a high voltage DC conductor includes a current limiting arrangement having at least one section with at least one semiconductor device of turn-off type and at least one arrester connected in parallel therewith, and a mechanical DC breaker connected in series with the current limiting arrangement and including a mechanical switch. The mechanical DC breaker is configured to enable breaking of a fault current in said DC conductor once said semiconductor devices of said arrangement have been turned off.