Review on Aging Mechanism and Service Life Prediction of Silicone Rubber Composite Insulator

PENG Xiangyang; LIN Hongsheng; WANG Rui; WANG Zheng; HUANG Zhen; FANG Pengfei

doi:10.13296/j.1001-1609.hva.2018.06.001

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Review on Aging Mechanism and Service Life Prediction of Silicone Rubber Composite Insulator

更新时间：2025-04-26

- Review on Aging Mechanism and Service Life Prediction of Silicone Rubber Composite Insulator
- High VoltageApparatus Vol. 54, Issue 6, Pages: 1-8+15(2018)
- 作者机构：
  
  1. 广东电网公司电力科学研究院
  2. 武汉大学物理科学与技术学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.06.001
  CLC： TM216
- Published：2018
- 稿件说明：
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[1]彭向阳,林宏升,王锐,汪政,黄振,方鹏飞.硅橡胶复合绝缘子老化机理及其服役寿命预测研究综述[J].高压电器,2018,54(06):1-8+15.

PENG Xiangyang, LIN Hongsheng, WANG Rui, et al. Review on Aging Mechanism and Service Life Prediction of Silicone Rubber Composite Insulator[J]. High voltageapparatus, 2018, 54(6): 1-8+15.
[1]彭向阳,林宏升,王锐,汪政,黄振,方鹏飞.硅橡胶复合绝缘子老化机理及其服役寿命预测研究综述[J].高压电器,2018,54(06):1-8+15. DOI： 10.13296/j.1001-1609.hva.2018.06.001.

PENG Xiangyang, LIN Hongsheng, WANG Rui, et al. Review on Aging Mechanism and Service Life Prediction of Silicone Rubber Composite Insulator[J]. High voltageapparatus, 2018, 54(6): 1-8+15. DOI： 10.13296/j.1001-1609.hva.2018.06.001.

摘要

硅橡胶复合绝缘子在运行环境因素作用下的老化失效问题给电网的安全运行带来重大隐患

也是当前复合绝缘子运维管理中的重点和难点问题。文中系统分析了运行复合绝缘子老化的影响因素和作用机理

综述了当前复合绝缘子硅橡胶材料物理老化、化学老化和电老化的研究现状与进展

进而对其服役寿命的各种预测模型的适用性和有效性进行了分析

最后对复合绝缘子老化状态研究及寿命预测方法的发展趋势进行了展望

希望能为复合绝缘子生产厂家、运行单位和科研部门提供支持和参考。

Abstract

In electric power industry

the silicone rubber composite insulators are replacing the conventional inorganic material insulators

such as porcelain or glass insulators

because the silicone rubber insulators have excellent performances in water repellency and contamination resistance. However

the aging behavior of the silicone rubber composite insulator will brings hidden danger to safety of power grid. Many studies have focused on the aging behaviors of the silicone rubber

and some possible mechanisms responsible for the aging process have been proposed in recent years. This paper reviews the studies of the aging mechanisms of the silicone rubber

and classifies the aging types of the silicone rubber as physical aging

chemical aging

and electrical aging. Physical aging is caused by UV irradiation and partial heat. Chemical aging is caused by erosive gases

acids and alkalis. Electrical aging concerns partial discharge and plasma. Physical aging and chemical aging are the fundamental mechanisms

and electrical aging is the result of both physical and chemical aging.Furthermore

this paper reviews the life prediction models of the silicone rubber. The principles of judging invalidation of the silicone rubber are discussed. The life prediction models based on the electrical aging and accelerated aging modes are discussed. The model for life prediction of the silicone rubber insulator based on experience is also discussed. Considering the complexity of service environments

this paper sorts the different kinds of aging mechanisms to try to present a research direction towards life prediction of the silicone rubber composite insulator.

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