三相线路 meaning in English

three phase line
three-phase line

The three - phase circuit that has balanced three - phase sources , balanced ( equal ) three - phase loads and balanced three - phase line - impedances is called a balanced three - phase system
一个具有对称三相电源，对称三相负载和对称三相线路阻抗的三相电路被称为三相对称电路。
The fault - signal of power system is deeply analyzed in the dissertation . the method of calculating transient response of power system is introduced , and the wave of transient response of power system is simulated . the model of detecting fault in power system is established
本文对电力系统的故障信号进行了深入的分析，介绍了暂态过程的计算方法，并模拟了三相线路短路的暂态波形，为电力系统故障诊断建立了数学模型。