In this paper,space charge distribution in DC composite insulator FRP rod materials after negative DC high voltage application was measured by PEA method and the results were analyzed and discussed.

• 使用PEA法空间电荷测量系统测量了负直流高压电场作用后复合绝缘子芯棒材料中空间电荷分布,并进行了相关的分析和讨论。