摘要
文中通过对一起某火电机组因转子本体绝缘情况恶化而导致的转子接地保护动作跳机事件的分析,说明了火电机组转子本体绝缘情况对机组的安全运行非常重要。同时,该文指出乒乓切换原理的转子接地保护在原理上的不足之处,并提出了改进措施。
This paper illustrates that the rotor body insulation is very important to the safe operation of the unit through the analysis of an accident of a thermal power trip caused by the rotor body insulation deterioration, and improves the protection in practice. Meanwhile, this paper points out deficiencies of rotor grounding protection adopting the Ping pong principle, and proposes improvements.
出处
《应用能源技术》
2015年第9期29-31,共3页
Applied Energy Technology
关键词
转子绝缘
转子本体
一点接地保护
两点接地保护
碳刷
Rotor body insulation
rotor body
One point groud fault
Two points groud fault
Brush
