吴明清;田浩;侯国良;侯亚峰;袁端鹏;林生军;

• 1:河南平高电气股份有限公司
• 2:国家电网高压开关设备绝缘材料实验室(平高集团有限公司)
• 3:平高集团有限公司

摘要(Abstract)：

为研究直流电场、温度场、力场等多场耦合条件下,环氧绝缘材料机械性能和热性能的变化规律,采用直流试验装置对多场耦合条件下环氧绝缘材料的弯曲强度值,以及玻璃化转变温度分布进行了测量,并采用电容探头法,测量其表面电荷分布情况。通过相关理论研究,发现多场耦合条件下环氧绝缘材料弯曲强度随时间对数呈现二次关系并迅速降低,表面电荷的存在加速了环氧绝缘材料的老化作用。研究结论为评价环氧绝缘材料在多场耦合条件下的长期运行特性提供了依据。

关键词(KeyWords)： 多场耦合;直流环氧绝缘材料;弯曲强度;玻璃化转变温度;表面电荷分布

Abstract:

Keywords:

基金项目(Foundation): 国家863高技术基金项目(2014AA051802);; 国家电网公司科技项目(PGKJ2014-045)~~

作者(Author): 吴明清;田浩;侯国良;侯亚峰;袁端鹏;林生军;

Email:

DOI: 10.13335/j.1000-3673.pst.2015.10.040

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