NDLI: Comparative study of partial discharge localisation techniques within transformer windings

Content Provider	IEEE Xplore Digital Library
Author	Abd Rahman, M.S. Lewin, P.L. Rapisarda, P.
Copyright Year	2015
Description	Author affiliation: Univ. of Southampton, Southampton, UK (Rapisarda, P.) \|\| Tony Davies High Voltage Lab., Univ. of Southampton, Southampton, UK (Lewin, P.L.) \|\| IKRAM, Univ. Tenaga Nasional, Darul Ehsan, Malaysia (Abd Rahman, M.S.)
Abstract	Partial discharge (PD) activity may occur inside power transformers and the existence of this activity produces a negative effect on the transformer until eventually there is catastrophic failure. Therefore, partial discharge detection and measurement within a transformer winding have become an important research area to provide asset health information enabling the maintenance and replacement processes to be carried out effectively. A modern condition monitoring system for PD activity inside HV transformers may use any observable phenomena but here we concentrate on an electrical detection method. The fundamental localization technique uses wavelet multi-resolution analysis for calculating the energy at different frequency ranges and Principal Component Analysis as dimensional reduction tool that produces the output that ultimately can be used as an indicator of PD location inside a transformer winding. However, an alternative method has been developed to using corresponding 3 dimensional filters to enable the localisation process. Both approaches are compared and obtained results are presented in this paper.
Starting Page	81
Ending Page	84
File Size	298075
Page Count	4
File Format	PDF
ISBN	9781479973521
e-ISBN	9781479973545
DOI	10.1109/ICACACT.2014.7223495
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency measurement Condition monitoring Wavelet transforms Monitoring Partial discharges Pulse measurements Discharges (electric) condition monitoring Partial discharge transformer
Content Type	Text
Resource Type	Article

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