小电阻接地系统在首钢京唐公司的应用  

Application of Low Resistance Grounding System in Shougang Jingtang Iron and Steel Company

作　　者：程宝芳 沈军 

机构地区：[1]首钢京唐钢铁联合有限责任公司能源与环境部,河北唐山063200

出　　处：《冶金动力》2012年第4期12-15,共4页Metallurgical Power

摘　　要：阐述了首钢京唐公司小电阻接地系统的现状,对存在问题进行分析探讨,并提出改进措施。结合运行经验及典型事故分析,验证了零序保护的可靠性及灵敏性。The current situation of the low resistance grounding system of Shougang Jingtang Iron and Steel United Co.is expounded.The existing problems are analyzed and discussed,and the improvement measures are given.Combined with the operation experience and the typical accident analysis,the reliability and sensitivity of the zero sequence protection are verified.

关 键 词：小电阻接地 继电保护 改进措施 

分 类 号：TM774[电气工程—电力系统及自动化]