Study on Weather Resistance of Theanti-pollution Flashover Coatings Based on Analysis of the Electrical Tracking and Erosion Test

YANG Cheng; SU Feng; ZHANG Hanfei; XIAO Shihua; SHI Zhenpeng; TAN Dongxian

doi:10.13296/j.1001-1609.hva.2020.11.003

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Study on Weather Resistance of Theanti-pollution Flashover Coatings Based on Analysis of the Electrical Tracking and Erosion Test

更新时间：2025-04-26

- Study on Weather Resistance of Theanti-pollution Flashover Coatings Based on Analysis of the Electrical Tracking and Erosion Test
- High VoltageApparatus Vol. 56, Issue 11, Pages: 16-20(2020)
- 作者机构：
  
  1. 国网郴州供电公司苏仙区供电分公司
  2. 国网娄底供电公司
  3. 华电(福清)风电有限公司
  4. 上海雷博司电气股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.11.003
  CLC： TM21
- Published：2020
- 稿件说明：
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[1]杨成,苏凤,张晗飞,肖世华,史振朋,谭东现.基于耐电痕分析的防污闪涂料耐候性研究[J].高压电器,2020,56(11):16-20.

YANG Cheng, SU Feng, ZHANG Hanfei, et al. Study on Weather Resistance of Theanti-pollution Flashover Coatings Based on Analysis of the Electrical Tracking and Erosion Test[J]. High voltageapparatus, 2020, 56(11): 16-20.
[1]杨成,苏凤,张晗飞,肖世华,史振朋,谭东现.基于耐电痕分析的防污闪涂料耐候性研究[J].高压电器,2020,56(11):16-20. DOI： 10.13296/j.1001-1609.hva.2020.11.003.

YANG Cheng, SU Feng, ZHANG Hanfei, et al. Study on Weather Resistance of Theanti-pollution Flashover Coatings Based on Analysis of the Electrical Tracking and Erosion Test[J]. High voltageapparatus, 2020, 56(11): 16-20. DOI： 10.13296/j.1001-1609.hva.2020.11.003.

摘要

PRTV防污闪涂料能够有效改善高压电器绝缘材料的表面状态

提高电力系统表面憎水性。而在运行中的防污闪涂料受到紫外光、盐腐、热、凝露等作用

会出现耐污性能的下降。文中以PRTV防污闪涂料为研究对象

通过FTIR测试对比了防污闪涂料在紫外老化、盐腐老化、冷热冲击老化和水煮老化过程中分子结构变化

耐电痕性能影响。研究表明

0.46 mm厚防污闪涂料能够满足1A2.5级要求

接触角提高10%以上

老化试验条件促进了防污闪涂料的交联固化

冷热冲击老化试样的耐电痕性能影响最差。

Abstract

Permanentroom temperature vulcanized（PRTV） silicone rubber can be used to improve the hydrophobicity of the insulating material surface

and to improve the running state of the high voltage electrical appliances.Under the long-term use conditions

the anti-pollution flashover coatings effected by ultraviolet（UV） light

salt corrosion

heat

condensation

and others

will appear the degradation of anti-pulltion flashover ability.In this paper

PRTV was taken as the research object

and FTIR test was used to compare the changes of molecular structure and the influence of electric mark resistance of anti-pollution flashover coating in the process of UV aging

salt corrosion aging

cold and hot impact aging and water boiling aging.The result shows that 0.46 mm thick anti-pollution flashover coating can meet the requirements of grade 1A2.5 according to the electrical tracking and erosion test standard

the contact angle increased by more than 10%

the short-time aging promoted the cross-linking curing of anti-pollution flash coating

and the cold and hot impact aging sample had the worst effect on the electrical tracking and erosion resistance.

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