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. 13, 2016
Filed:
Mar. 02, 2011
Applicants:
Knut Rongve, Fyllingsdalen, NO;
Tor-odd Ronhovd, Bergen, NO;
Inventors:
Knut Rongve, Fyllingsdalen, NO;
Tor-Odd Ronhovd, Bergen, NO;
Assignee:
ABB AS, Billingstad, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01); H02H 3/20 (2006.01); H02H 7/08 (2006.01);
U.S. Cl.
CPC ...
H02H 9/041 (2013.01); H02H 3/20 (2013.01); H02H 7/0833 (2013.01);
Abstract
A system for operating an electric machine and a method for protecting an operation control unit in such a system. The system includes an operation control unit, an alternating current cable connecting the machine with the operation control unit and an electric short-circuiting arrangement. This arrangement is connected to terminals of the operation control unit facing the cable and short circuits these terminals based on a detected overvoltage.