Present state and future of online monitoring methods of ZnO arresters

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    It is necessary to monitor the state of ZnO arresters to guarantee their safe operation. In order to select a best way to monitor the state of arresters, the advantages, disadvantages, and application of each monitoring method were analyzed. The results show that the harmonic analysis method is the most effective method. The properties of the harmonic analysis method in practical application could be improved by modifying the resistive leakage current and selecting an appropriate window function when conducting fast discrete Fourier transform on the collected signals. Through review of monitoring technologies in China and abroad, it can be found that in the future, the overall development trend of online monitoring methods of ZnO arresters is to develop fully automatic and multi-functional integrated online insulation monitoring systems.

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韩晗,潘学萍.氧化锌避雷器在线监测方法的现状与发展[J].河海大学学报(自然科学版),2017,45(3):277-282.(HAN Han, PAN Xueping. Present state and future of online monitoring methods of ZnO arresters[J]. Journal of Hohai University (Natural Sciences),2017,45(3):277-282.(in Chinese))

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  • Received:December 12,2016
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  • Online: June 01,2017
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