油浸电力变压器固体绝缘老化的诊断  

Diagnosis of Solid Insulation Ageing in Oil-Immersed Power Transformers

作　　者：尚勇[1] 董明[1] 赵文彬[1] 严璋[1] 

机构地区：[1]西安交通大学,陕西西安710049

出　　处：《变压器》2002年第12期35-39,共5页Transformer

摘　　要：分析了固体绝缘老化机理,对变压器油中糠醛含量、溶解气体含量和绝缘纸聚合度等数据进行了统计分析,提出了对现场运行变压器固体绝缘的老化状态进行判断和评估的方法。The ageing principle of the solid insulation is analyzed.The data for the contents of furfurol and dissolved gases in transformer oil and the polymerization degree of insulation paper are statistically analyzed.The method to determine and evaluate the ageing situation of the solid insulation in an operating transformer is given.

关 键 词：油浸电力变压器 固体绝缘 老化 诊断 糠醛 聚合度 

分 类 号：TM411[电气工程—电器]