邱庄站电厂出线保护改造分析

Abstract院This article carries on comprehensive analysis on the problems in the protection modification of the 35kV outgoing lineinterconnection project of the refuse incineration power plant crossing Qiuzhuang state and the influence of the interconnection on maintransformer protection and 110kV spare power automatic switching operation logic. The relative secondary circuit is modified.院二次回路 电厂并网 主变保护 备自投Key words院secondary circuit power plant interconnection main transformer protection spare power automatic switching中图分类号院K826.16 文献标识码院A 文章编号院1006-4311（2014）31-0069-02