Performance Evaluation for RTV Composite Casing after Renovated by FB-PRTV

ZHANG Tao; LI Guo-wei; WANG Jun-bo

doi:10.13296/j.1001-1609.hva.2011.10.013

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Performance Evaluation for RTV Composite Casing after Renovated by FB-PRTV

更新时间：2025-04-26

- Performance Evaluation for RTV Composite Casing after Renovated by FB-PRTV
- High VoltageApparatus Vol. 47, Issue 10, Pages: 63-68(2011)
- 作者机构：
  
  广东电网公司佛山供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.10.013
  CLC： TM216.5
- Published：2011
- 稿件说明：
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[1]章涛,李国伟,王俊波.硅橡胶复合套管用FB-PRTV修复后性能分析[J].高压电器,2011,47(10):63-68.

ZHANG Tao, LI Guo-wei, WANG Jun-bo. Performance Evaluation for RTV Composite Casing after Renovated by FB-PRTV[J]. High voltageapparatus, 2011, 47(10): 63-68.
[1]章涛,李国伟,王俊波.硅橡胶复合套管用FB-PRTV修复后性能分析[J].高压电器,2011,47(10):63-68. DOI： 10.13296/j.1001-1609.hva.2011.10.013.

ZHANG Tao, LI Guo-wei, WANG Jun-bo. Performance Evaluation for RTV Composite Casing after Renovated by FB-PRTV[J]. High voltageapparatus, 2011, 47(10): 63-68. DOI： 10.13296/j.1001-1609.hva.2011.10.013.

摘要

硅橡胶复合材料因具有重量轻、优异的耐污性能和防暴性能

硅橡胶复合材料被广泛应用在互感器、断路器及套管等电气设备中。但硅橡胶在表面放电、电晕放电等因素影响下易老化。部分硅橡胶复合套管在运行一定年限后由于环境、电应力和机械应力作用

会出现表面憎水性减弱

伞套脆化、粉化、开裂等劣化现象

最终导致电气绝缘性能下降

易导致高压设备事故和电网事故。硅橡胶复合套管出现老化后

处理办法是返厂重新更换硅橡胶复合套管

但这种方法费时又费力

费用较高。现佛山供电局探索性的使用防爆破飞溅涂料（FB-PRTV）在现场对硅橡胶复合套管进行修复

恢复其外绝缘性能

使高压设备能正常运行。笔者旨在对用FB-PTRV修复后的硅橡胶复合套管的性能进行分析。分析表明

修复后的硅橡胶复合套管各项性能得到较大恢复。

Abstract

Because of its light weight

excellent anti-pollution performance and explosion proof performance

the silicone rubber composite material is widely used in transformers

breakers

bushings and other electrical equipment.However

silicone rubber is easy to get aged under the influence of surface discharge and corona discharge.After a certain duration of years’running

several phenomena will appear in the silicone rubber composite bushings

such as less hydrophobic

embrittling

chalking

cracking and other degradation

which will result in performance degradation of electrical insulation

and eventually leads to the grid accidents and high-voltage power equipment faults.When silicone rubber composite bushing is aging

the common approach is to replace by a new one

but this method is time consuming

laborious and expensive.Now Foshan Power Supply Bureau of Guangdong Power Grid Corporation tries to paint FB-PRTV to renovate silicone rubber composite bushing

and to restore its various properties

so that high-voltage equipment can be used normally.the performance of silicone rubber composite bushing after being renovated by FB-PRTV was analyzed in this essay.It is shown that the performance of silicone rubber composite bushing after being renovated by FB-PRTV is greatly restored.

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