Influence of Temperature on the Partial Discharge Inception Characteristics of Typical Insulation-shaping Components in Transformer

2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO) Pub Date : 2021-10-15 DOI:10.1109/AEERO52475.2021.9708137

Haozhi Shi, Shuqi Zhang, Xinru Yu, Feiyang Su, C. Gao, B. Qi, Chengrong Li

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Abstract

In this paper, the effect of temperature on the partial discharge inception characteristics of typical insulation-shaping components is demonstrated. The partial discharge test platform was established to test the typical insulation-shaping components of three manufacturers. The products of each manufacturer were tested for the partial discharge inception voltage and magnitude at five temperatures of 20°C 35°C, 50°C, 65°C and 80°C, and their distribution figures were drawn. Based on the test results, the partial discharge inception characteristics of the insulation-shaping components of the three manufacturers were compared, and the dispersion of the product data was analyzed. According to the analysis result, it can be concluded that the partial discharge inception voltage of typical insulation-shaping components decreases with the increase of temperature, and the discharge magnitude rise with the increase of temperature, and the performance of various insulation-shaping components of each manufacturer is different.

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温度对变压器典型绝缘成形元件局部放电起始特性的影响

本文讨论了温度对典型绝缘成形元件局部放电起始特性的影响。建立了局部放电试验平台，对三家厂家的典型绝缘成形部件进行了试验。对各厂家产品在20°C、35°C、50°C、65°C、80°C 5种温度下的局部放电起始电压和大小进行测试，并绘制其分布图。在试验结果的基础上，比较了三家厂家的绝缘成型元件局部放电起始特性，分析了产品数据的分散性。根据分析结果可知，典型绝缘成型元件局部放电起始电压随温度升高而降低，放电幅度随温度升高而升高，且各厂家各种绝缘成型元件性能不同。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO)

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