距离保护R-L模型算法

使用图基滤波器

控制阻抗轨迹显示范围

在阻抗平面画出阻抗圆特性、整定阻抗直线特性和短路阻抗轨迹-　RL model algorithm for distance protection using map-based filter　 control the impedance locus in the impedance plane display range　characteristic impedance circle draw, setting characteristics and short-circuit impedance line impedance locus