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:
Aug. 23, 2016

Filed:

Jun. 11, 2013
Applicant:

Protean Electric Limited, Surrey, GB;

Inventor:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02P 31/00 (2006.01); G01R 31/34 (2006.01); H02P 29/02 (2016.01); B60L 3/00 (2006.01); B60L 15/02 (2006.01);
U.S. Cl.
CPC ...
G01R 31/343 (2013.01); B60L 3/0061 (2013.01); B60L 15/025 (2013.01); H02P 29/027 (2013.01); H02P 31/00 (2013.01); Y02T 10/643 (2013.01);
Abstract

A control unit for identifying a fault in an electric motor or generator, the control unit comprising means for measuring a value of a first parameter associated with the operation of the electric motor or generator; means for increasing a counter value if the difference between the measured first parameter value or a value derived from the measured value and a second value is greater than a first predetermined value; means for decreasing the counter value if the difference between the measured first parameter value and the second value is less than the first predetermined value; and means for generating a signal indicative of a fault if the counter value exceeds a second predetermined value.


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