Experimental Research on Operation Characteristics of 500 kV AC Composite Insulators in Chongqing Power Grid

YIN Hua; WU Gao-lin; WANG Yong

doi:10.13296/j.1001-1609.hva.2010.09.008

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Experimental Research on Operation Characteristics of 500 kV AC Composite Insulators in Chongqing Power Grid

更新时间：2025-04-26

- Experimental Research on Operation Characteristics of 500 kV AC Composite Insulators in Chongqing Power Grid
- High VoltageApparatus Vol. 46, Issue 9, Pages: 22-25(2010)
- 作者机构：
  
  重庆电力科学试验研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.09.008
  CLC： TM216
- Published：2010
- 稿件说明：
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[1]印华,吴高林,王勇.重庆电网500 kV交流复合绝缘子运行特性的试验研究[J].高压电器,2010,46(09):22-25.

YIN Hua, WU Gao-lin, WANG Yong. Experimental Research on Operation Characteristics of 500 kV AC Composite Insulators in Chongqing Power Grid[J]. High voltageapparatus, 2010, 46(9): 22-25.
[1]印华,吴高林,王勇.重庆电网500 kV交流复合绝缘子运行特性的试验研究[J].高压电器,2010,46(09):22-25. DOI： 10.13296/j.1001-1609.hva.2010.09.008.

YIN Hua, WU Gao-lin, WANG Yong. Experimental Research on Operation Characteristics of 500 kV AC Composite Insulators in Chongqing Power Grid[J]. High voltageapparatus, 2010, 46(9): 22-25. DOI： 10.13296/j.1001-1609.hva.2010.09.008.

摘要

复合绝缘子以其优良的耐污性在输电线路得到了大量的应用。笔者抽取了不同运行年限和生产厂家的500 kV复合绝缘子进行了憎水性、电气特性、机械特性和伞套材料劣化特性的相关试验。结果表明

重庆地区的复合绝缘子憎水性下降较快

而运行多年的复合绝缘子在电气和机械上的性能仍能满足相关标准要求。复合绝缘子伞套材料的抗张强度、抗撕裂强度、抗电蚀损都随运行时间的增加呈降低的趋势。试验研究结果可为电网的运行提供一定参考。

Abstract

Composite insulators are widely used in power system because of their remarkable pollution-resistant performance.In this paper

some 500 kV insulators with different working time and from different manufacturers are tested on their hydrophobicity

electrical character

and mechanical character

as well as the aging character of the shed material.The results show that the hydrophobicity of the composite insulators in Chongqing area decreases fast

and the electrical and mechanical characters of the composite insulators with long working time can still meet the requirement in related standard.The tensile strength

tearing strength

and electrical erosion resistance of the sheds become worse with the working time increasing.This study may benefit the operation of power grid.

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Related Institution

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