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:
Nov. 15, 2022
Filed:
Aug. 05, 2019
Sembcorp Industries Ltd, Singapore, SG;
National University of Singapore, Singapore, SG;
Subash Chandar Athikessavan, Singapore, SG;
Shiva Shankaranarayanan Muthuraj, Singapore, SG;
Sanjib Kumar Panda, Singapore, SG;
Elango Jeyasankar, Singapore, SG;
Sai Srinivas Manohar, Singapore, SG;
Sembcorp Industries Ltd, Singapore, SG;
National University of Singapore, Singapore, SG;
Abstract
A method and a system of detecting winding fault during online operation of an electrical machine, said method comprising, acquiring a set of signals from the machine over a period, said set of signals comprising two or more magnetic flux signals, each flux signal obtained from a respective flux sensor positioned on the external surface of the machine; extracting an internal winding fault indicator from the set of signals; comparing the internal winding fault indicator with a baseline indicator; and determining the internal winding fault when the internal winding fault indicator deviates from the baseline indicator by a threshold.