电力变压器绕组热点状态的在线监测技术

On-line Monitoring of Hot-Spot Temperature in Transformer Winding

简要介绍了电力变压器绕组热点状态在线监测技术的研究现状 ,探讨了目前各种方法存在的问题 ,重点分析了一些新技术在热点在线监测中的应用。

The accurate measurement of hot-spot temperature of transformer winding can reflect the insulation status, thus it attracts the attention of researchers. The research situation of hot-spot monitoring technique of transformer winding is introduced at first. And then the existing problems of each method are discussed. The application of new technique is especially analyzed in this paper.