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.

Date of Patent:
Jan. 14, 2014

Filed:

Jan. 28, 2011
Applicants:

Moritz Hochlehnert, Hohentengen, DE;

Thomas Lorek, Windisch, CH;

Ahmed Zekhnini, Weinigen, CH;

Andreas Frank, Zurich, CH;

Klaus Bohnert, Oberrohrdorf, CH;

Inventors:

Moritz Hochlehnert, Hohentengen, DE;

Thomas Lorek, Windisch, CH;

Ahmed Zekhnini, Weinigen, CH;

Andreas Frank, Zurich, CH;

Klaus Bohnert, Oberrohrdorf, CH;

Assignee:

ABB Research Ltd, Zurich, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The current in a generator circuit breaker is measured using the Faraday effect of an optical sensing fiber looped around the breaker's conductor. The sensing fiber is arranged in a sensing strip, which can be mounted to the enclosure of the generator circuit breaker or to the conductor. Exemplary embodiments can have a wide measuring range and can easily be fitted to new or existing generator circuit breakers.


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