摘要
在温暖潮湿环境下,绝缘子表面易滋生出微生物附着层,形成常规积污与微生物伴生的表面复合污染,造成绝缘子表面微观结构受损和电气性能下降,给电力系统安全运行带来隐患。本文调研了国内外绝缘子表面常见微生物附着情况,介绍了典型微生物的生长机理,总结了现阶段研究发现的微生物对工程材料的主要致害成因,以及微生物附着对绝缘子憎水性、微观结构、闪络特性等性能的影响规律,概述了电力运维部门现有的微生物防治措施,提出后续应深入研究绝缘子表面微生物附着的客观规律,以及微生物复合染污对绝缘子性能影响的作用机制、检测方法和有效防治措施。
Under the warm and humid environment,the surface of insulators is prone to breed a microbial adhesion layer,forming a composite surface pollution of conventional pollution accumulation and microbial accompaniment,resulting in the damage of insulator surface microstructure and degradation of electrical performance,and bringing hidden dangers to the safe operation of electric power system.This paper investigated the common microbial adhesion on insulator surface at home and abroad,introduced the growth mechanism of typical microorganisms,summarized the main causes of microbial damage to engineering materials at the present stage of research,as well as the influence of microbial adhesion on the hydrophobicity,microstructures,flashover characteristics of insulators,and outlined the existing microbial prevention and control measures for the power operation and maintenance departments.It is proposed that the objective law of microbial adhesion on insulator surface should be further studied,as well as the mechanism,detection method and effective prevention and control measures of microbial composite pollution on insulator performance.
作者
张立雄
李黎
侯天宇
刘大伟
ZHANG Lixiong;LI Li;HOU Tianyu;LIU Dawei(School of Electrical and Electronic Engineering,Huazhong University of Science&Technology,Wuhan 430074,China)
出处
《绝缘材料》
北大核心
2025年第10期8-23,共16页
Insulating Materials
基金
国家自然科学基金资助项目(U24B2094)
南方电网公司科技项目(GDKJXM20231290)。
关键词
生物污染
微生物附着
复合绝缘子
憎水性
biological contamination
microbial attachment
composite insulators
hydrophobicity
