NDLI: Performance analysis of modified shifted current method for surge arrester condition monitoring

Content Provider	IEEE Xplore Digital Library
Author	Abdul-Malek, Z. Yusoff, N. Yousof, M.F.M.
Copyright Year	2010
Description	Author affiliation: Fac. of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia, Batu Pahat, Malaysia (Yousof, M.F.M.) \|\| UTM Institute of High Voltage & High Current, Universiti Teknologi Malaysia, Johor Bahru, Malaysia (Abdul-Malek, Z.; Yusoff, N.)
Abstract	The gapless zinc oxide surge arresters enable the utility personnel to measure the leakage current due to its gapless physical configuration. An arrester leakage current which comprises of capacitive and resistive components is such an important parameter to be analyzed because its third harmonic resistive component is known to be directly related to the ageing or the degradation of the zinc oxide arrester itself. Various methods can be applied to monitor the condition of the surge arresters both for in-field as well as inside a laboratory. The resistive component extraction method called the Modified Shifted Current Method (MSCM) is utilised in this work. A portable device consisting of a tablet computer is able to measure and store the leakage current data and therefore can be used for an in-situ arrester condition assessment. This paper describes the performance of the portable device when measurements of the arrester leakage current were conducted at the 132-kV transmission substations. The leakage current data were analyzed and summarized to indicate its performance in terms of the accuracy of assessments made on the arrester conditions in actual substation environment.
Starting Page	649
Ending Page	652
File Size	517255
Page Count	4
File Format	PDF
ISBN	9781424482832
e-ISBN	9781424482863
DOI	10.1109/ICHVE.2010.5640787
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arresters Voltage measurement Current measurement Harmonic analysis Leakage current Surges
Content Type	Text
Resource Type	Article

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