NDLI: Analysis of Phase Resolved Partial Discharge patterns with microstrip antenna

Content Provider	IEEE Xplore Digital Library
Author	Sako, H. Mio, K. Okada, S.
Copyright Year	2015
Description	Author affiliation: Generator Dept., Mitsubishi Electr. Corp., Kobe, Japan (Sako, H.; Mio, K.) \|\| Electromech. Syst. Dept., Mitsubishi Electr. Corp., Amagasaki, Japan (Okada, S.)
Abstract	Microstrip antennas can be used for measurement of electromagnetically radiated partial discharge (PD) signals in high voltage rotating machines. PD characteristics such as PD magnitude, Phase Resolved Partial Discharge (PRPD) patterns, and frequency spectra have been analyzed using three different antennas and a capacitive coupling device. Some generator stator bars with an artificial defect which might occur in high voltage rotating machines during a long term operation were used as PD sources in the experiments. The microstrip antenna which detects ultra-high frequency (UHF) of 1.8 GHz have shown high sensitivity to some defects, and distinctive PRPD patterns have been obtained depending on types of defects on stator bars. Since one of the most important roles of on-line PD monitoring is to detect insulation deterioration at an early stage, the analysis of PRPD patterns is of great benefit for the condition assessment of high voltage rotating machines in order to be able to operate them stably for a long time.
Starting Page	346
Ending Page	357
File Size	1132742
Page Count	12
File Format	PDF
ISBN	9781479973521
e-ISBN	9781479973545
DOI	10.1109/ICACACT.2014.7223549
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	Partial discharges Antenna measurements UHF antennas Microstrip antennas Voltage measurement Noise measurement UHF measurements generator microstrip antenna PD rotating machine UHF
Content Type	Text
Resource Type	Article

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