500kV变压器高压绕组股间短路故障分析

Analysis of Strand-to-Strand Short Circuit of 500kV Transformer HV Winding

本文中作者通过对一台SFP-720000/500型升压变压器高压绕组股间短路故障的查找过程及原因分析,阐述了利用变压器常规试验手段及时发现故障隐患、避免变压器事故的方法和经验。

In this paper, through the analysis of the search process and the reasons of a HV winding strand-to-strand short circuit fault of a SFP-720000/500 step-up transformer, the authors describe the methods and experience to find and avoid foults in time.