Abstract

The Electric Field (E-Field) and potential distribution plays a major role in deciding the lifetime of an insulator. Different climate and pollution conditions lead to deterioration and degradation of insulator properties by increasing the electric stress and exceeding the threshold value during long working conditions, leading to failure of the insulator. This article mainly focuses on the reduction of electric stress by using different side positions of the corona ring on a 110 kV AC transmission line composite insulator. The Corona ring plays a significant role in the reduction of electric stress. This study analyses the performance of three different positions of the corona ring: HV and LV side, LV side, and HV side achieving uniform distribution. The obtained results confirm the effectiveness of three different corona ring positions, wherein the HV side highly reduces the electric stress.

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