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:
Jul. 28, 2020
Filed:
Sep. 12, 2017
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Sivakumar Nadarajan, Singapore, SG;
Amit Gupta, Singapore, SG;
Vaiyapuri Viswanathan, Singapore, SG;
Chandana Gajanayake, Singapore, SG;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/34 (2020.01); G06F 16/28 (2019.01); H02P 29/024 (2016.01); H02P 9/10 (2006.01); H02P 101/25 (2016.01); H02P 103/20 (2016.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
G01R 31/346 (2013.01); G01R 31/343 (2013.01); G06F 16/285 (2019.01); H02P 9/107 (2013.01); H02P 29/0243 (2016.02); F02C 3/04 (2013.01); H02P 2101/25 (2015.01); H02P 2103/20 (2015.01);
Abstract
A method of classifying a stator winding fault in a brushless synchronous generator includes measuring an electrical parameter of the stator winding and classifying the fault by calculating positive or negative sequence harmonics of the parameter and comparing one or more harmonic component to a threshold.