HE Tianlei, XU Junyuan, CHEN Cong, et al. Diagnosis of Inter-turn Short Circuit of Large Turbine Generator Rotors[J]. 2019, 39(1): 31-35.DOI:
大型汽轮发电机转子绕组匝间短路故障诊断
摘要
介绍了几种常用的转子匝间短路的故障诊断方法
阐述了重复脉冲法的试验方法及其原理
结合某电厂一台640 MW发电机转子匝间短路的诊断过程案例
探讨了重复脉冲法在早期匝间绝缘缺陷分析中的应用
对发电机安全稳定运行有重要意义。
Abstract
This paper introduces several common diagnosis techniques of rotor inter-turn short circuit
and expounds the repetitive surge oscillograph(RSO) technique and its principle. Combined with the diagnosis process of a 640 MW generator rotor inter-turn short circuit in a power plant
the application of the RSO technique in the analysis of early inter-turn insulation defects is discussed
which has great significance for the safe and stable operation of the generator.