基于PT二次B相接地在同期回路中的分析  

Analysis on PT-based Phase B Earthing in Synchronization Circuit

作　　者：王永飞 

机构地区：[1]大唐石泉水力发电厂,陕西省石泉县725200

出　　处：《西北水电》2016年第4期64-66,共3页Northwest Hydropower

摘　　要：根据石泉水电厂机组10 k V母线、110 k V母线、110 k V线路各系统同期电压的实际情况,通过公式推导、向量运算,分析了各系统同期电压的选择原理,解答了机组10 k V母线电压互感器二次同期回路B相接地原因,同时也给出了PT二次回路施工中需要注意的事项。According to the synchronizing voltages of the systems of 10 k V busbar,110 k V busbar and 110 k V circuit of the units of Shiquan Hydropower Plant as well as through derivation by formula and vector calculation,the choosing principal for the synchronizing voltages of the systems is analyzed,the reply to the Phase B earthing of the synchronizing of the 10 k V busbar PT is provided and attentions on the construction of the PT circuit are pointed out as well.

关 键 词：电压互感器 B相 接地 同期回路 分析 

分 类 号：TM63[电气工程—电力系统及自动化]