As we all know, the transformer needs to diagnose its részben lemerül in the production process, and the application of partial lemerül diagnosis can not be easily used, in the transformer, partial discharge, is a very dangerous phenomenon. Partial discharge can cause power failure, What’s more, it will endanger people’s lives. Of course, the application of partial discharge diagnosis usually plays a vital role in the production process of transformer. Therefore, it needs the corresponding technicians to carry out regular maintenance