An equivalent two source phase domain method for calculating interline fault in the double circuit line is presented.
基于二端口网络理论，采用等值双端电源相分量法进行跨线短路故障计算。
2
Although fault component current phase selector has excellent performance for single transmission lines, it may select unwanted phase for cross-country faults in double-circuit lines on a same tower.
相电流差突变量选相元件在单回线故障中具有良好的选相性能，但在同杆双回线跨线故障中可能误选相。
3
This paper analyses the rule of variations measuring impedance of distance relay when phase to phasefault occurs between two lines on double circuit line on the same pole (DLSP).