NDLI: Prediction of flashover voltage based on leakage current under AC operating voltage

Content Provider	IEEE Xplore Digital Library
Author	Hongwei Mei Yingke Mao Liming Wang Zhicheng Guan
Copyright Year	2010
Description	Author affiliation: Shanghai EHV T&D Company Shanghai, China (Liming Wang) \|\| Graduate School at Shenzhen, Tsinghua University Shenzhen, Guangdong, China (Hongwei Mei; Yingke Mao; Zhicheng Guan)
Abstract	In this paper, a model to predict the AC flashover voltage of contaminated suspension insulators was presented. The prediction method is based on the maximum leakage current under AC operating voltage. Three kinds of widely used suspension insulators were tested in various contamination statuses such as pollution layers with different ESDD, different composition of the conductive components, different NSDD and different pollution distribution statuses to simulate the contamination statuses in nature. Effective ESDD was proposed and calculated. Influences of contamination statuses to maximum leakage current and flashover voltage were studied. Then, the relationships between flashover voltage and leakage current in these statuses are presented. Finally, considering the difference of insulator profiles, a new parameter is defined and a model to estimate the flashover voltage based on this parameter is developed. The model could be used to all kinds of suspension insulators in different contamination statuses and was validated by the test results.
Starting Page	329
Ending Page	332
File Size	334073
Page Count	4
File Format	PDF
ISBN	9781424482832
e-ISBN	9781424482863
DOI	10.1109/ICHVE.2010.5640761
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	Pollution Surface contamination Flashover Insulators Leakage current Surface fitting
Content Type	Text
Resource Type	Article

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