发电机变压器组封闭母线绝缘低的原因分析及处理

Analysis and treatment of lower insulating strength of enclosed busbar of generator-transformer unit

发电厂发电机变压器组封闭母线在停运后不同程度地存在绝缘下降的现象,以韶关发电厂为例,分析了封闭母线绝缘低的特点和原因,总结了现场处理的经验,给出了具体处理方法。

After the generator-transformer unit of a power plant is shutdown,the insulating strength of the enclosed busbar of the unit often decreases more or less.Taking the Shaoguan Power Plant as example,the features and the reasons of the lower insulating strength of the enclosed busbar were analyzed.The experience of site treatment was summarized;and concrete treatment method was given.