摘要
主要分析了太钢热连轧厂10kV高压除磷泵保护改造后多次误动的原因、查找过程、改进处理及改进后的效果显著,解决了实际生产中的棘手难题,同时其处理方案及经验为其他保护事故的处理提供了很好的借鉴经验和价值。
The malfuncion causes of the 10 kV dephosphorization pump and look- up process and treatment and improvement effect were comprehensively analyzed. It resolved thorny problems in practicality. At the same time, the methods and experiences are extended and applied in else protect fault.
出处
《山西冶金》
CAS
2008年第3期39-40,48,共3页
Shanxi Metallurgy
关键词
除磷泵
二次回路
采样值
比率差动保护
差动速断保护
dephosphorization pump, secondary circuit, sampling value, ratio differential protection, differential quick-break protection