固体薄层涂层对油压复合绝缘系统爬电放电特性的影响

2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Pub Date : 2015-12-17 DOI:10.1109/CEIDP.2015.7352050

K. Jang, S. Yoshida, M. Kozako, M. Hikita

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引用次数: 2

摘要

本文研究了在矿物油中采用棒面电极布置，在正标准冲击电压(1.2/50 μs)下，在PB表面涂覆环氧树脂和聚四氟乙烯等薄固体层，改善油压复合绝缘系统电气特性的蠕电放电实验特性。为了根据表面条件评价蠕滑放电性能，利用数码相机研究了不同电压下固体层涂层类型对蠕滑放电支路数、放电最终长度和局部放电起始电压的影响。结果表明，PB表面的固体层涂层对PDIV和爬电放电性能有显著影响。

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Effect of thin solid layer coating on creepage discharge characteristics in oil/pressboard composite insulation system

This paper deals with experimental characterization of creepage discharge to improve the electrical characteristics of oil/pressboard (PB) composite insulation system by thin solid layer coating such as epoxy resin and Teflon on PB surface under positive standard impulse voltage (1.2/50 μs) using a rod-plane electrode arrangement in mineral oil. To evaluate the creepage discharge properties according to surface condition, the number of discharge branches, discharge final length (ld) and partial discharge inception voltage (PDIV) are investigated versus the type of solid layer coating for different applied voltage using a digital camera. As a results, it is found that solid layer coating of PB surface significantly influences the PDIV and creepage discharge properties.

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来源期刊

2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

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