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清华大学深圳国际研究生院,广东 深圳 518055
国网山东省电力公司电力科学研究院,济南 250002
Received:26 May 2026,
Revised:2026-07-02,
Published:16 October 2026
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MEI Hongwei, SHEN Peng, JIANG Hongjiao, et al. Review of Research on UV Aging of Silicone Rubber Composite Insulators[J]. High Voltage Apparatus, 2026, 62(10): 1-14.
MEI Hongwei, SHEN Peng, JIANG Hongjiao, et al. Review of Research on UV Aging of Silicone Rubber Composite Insulators[J]. High Voltage Apparatus, 2026, 62(10): 1-14. DOI: 10.13296/j.1001-1609.hva.2026.10.001.
随着国内特高压网络的不断建设,复合绝缘子逐渐应用于高海拔强紫外地区。在太阳光紫外辐照下,复合绝缘子硅橡胶会发生紫外老化现象,击穿强度、表面电阻率和体积电阻率,降低长时间运行寿命和电网运行安全性。文中归纳总结了国内外学者对于紫外影响其力学、电气以及材料特性,导致复合绝缘子化学键断裂,材料表面出现孔洞和颗粒,硬度增大,进而影响其外线对硅橡胶的影响机理,分析了紫外线对硅橡胶的宏观以及微观性能影响,探讨了抗紫外老化方法在硅橡胶材料上的应用,比较了不同人工加速紫外老化方法之间的区别并给出了提高硅橡胶抗紫外老化性能的建议,为复合绝缘子老化领域研究人员提供参考。
With the continuous construction of ultra-high voltage networks in China
composite insulators are gradually applied in high-altitude regions with intense ultraviolet radiation. Under solar ultraviolet riiadiation
the silicone rubebr of the composite insulators undergoes UV aging
affecting its mechanical
electrical and material properties
leading to breakdown of chemical bonds in the composite insulator
the formation of voids and particles on the maaterial surface
increase of hardness and
consequently
affecting the breakdown strength
surface resistivity and volume resistivity of the insualtor as well as reducing its long-term service life and the safety of power grid operation. In this paper
the mechanisms by which ultraviolet radiation affects silicone rubber
as reported by domestic and international scholars
are summarized. The influence of ultraviolet rays on the macroscopic and microscopic properties of silicone rubber is analzed. The application of anti-ultraviolet aging methods in silicone rubber materials is discussed
the differences between different artificially accelerated ultraviolet aging methods are compared and the suggestions for improving the anti-ultraviolet aging performance of silicone rubber is given so to provide reference for researchers in the field of composite insulator aging.
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