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has been cited by the following article:

• TITLE: Leakage Currents of Zinc Oxide Surge Arresters in 22 kV Distribution System Using Thermal Image Camera

  AUTHORS: Wichet Thipprasert, Prakasit Sritakaew

  KEYWORDS: Electrical Performance; Surge Arrester; Thermal Image Camera

  JOURNAL NAME: Journal of Power and Energy Engineering, Vol.2 No.4, April 23, 2014

  ABSTRACT: Zinc Oxide (ZnO) surge arresters (SAs) experience thermal runaway when the temperature exceeds the acceptable limit. This phenomenon is associated with the increase in resistive leakage current due to degradation. This paper presents the electrical performance of ZnO SAs in 22 kV distribution systems using thermal image camera under the power frequency AC operating voltages. When ZnO surge arresters are installation takes a long time in distribution system over more than 5 years. For the experimental study, as ZnO installation takes a long time over 6 years the leakage current is 63.9 mA, temperature differences were measured over a period of time over 14 degree Celsius. This data will be useful as a guideline for solving problems and reducing power loss from leakage current. Moreover, it will be useful in predicting lifetime of ZnO SAs.