摘要
本文以宁海电厂600MW发电机定子绕组端部烧蚀问题的原因分析及处理措施为例,从技术标准及定子绕组防晕设计原理出发,阐述了20k V级水氢冷发电机定子绕组槽部、端部防晕的设计优化。
By cause analysis and disposal methods for the stator winding failure of 600MW at Ninghai power plant, this paper explained the corona specification standard of generators, introduced the optimization of the anti-corona design in the stator winding of 20kV water-hydrogen cooled turbo- generator.
出处
《大电机技术》
2017年第1期1-5,共5页
Large Electric Machine and Hydraulic Turbine
关键词
电晕
起晕电压
槽部放电
振动火花放电
绕组
corona
corona inception voltage
slot discharge
vibration discharge
winding
