基于电流核相法的一端连接GIS的线路核相研究

Study on Phase Checking of Transmission Line with Its One Terminal Connected to GIS Based on Current Phase Checking

分析了传统线路核相方法在一侧连接GIS的线路核相中的不足,针对此不足提出了2种电流核相方法,并通过在3条线路进行核相试验证明了这2种方法的可行性。最后总结了一侧为GIS,且GIS侧为电缆进线的线路核相操作方法。

The paper analyzes shortages of the traditional line phases checking that the line is connected with GIS at its me side. According to these shortages, the paper proposes two current phase checking methods and proves feasibility of the two method by phase checking test on three lines. Finally, the paper concludes a phase checking method of transmission line with its incoming terminal connected to GIS.