摘要：

关键词：陷阱分布 空间电荷 热刺激放电 放电方法 光刺激 

单位：Department of Electrical Engineering Tongji University Shanghai 201804 China NARI Group Corporation (State Grid Electric Power Research Institute) Nanjing 210003 China State Key Laboratory Breeding Base of Dielectrics Engineering Harbin University of Science and Technology Harbin 150080 Chinat