【摘要】 通过对大接地电流系统零序电流的分析、计算 ,阐述了用于接地短路的零序电流保护的构成及整定原则 ,并介绍了在包头第一热电厂及包钢 5 1#总降压变电所 110KV网络的应用更多还原

【Abstract】 Based on the analysis and calculation of zero-sequence current of ground current system, the paper presents the structure and adjusting principle of zero-sequence current protection, and introduces its application on Baotou First Heat Power Plant and 110kv network of Baotou Steel 51 # head step-down transformer substation.更多还原