A.C.three-phase three-wire system with low-resistance earthed neutral

例句：

1. 1. The A.C. three-phase three-wire system with low-resistance earthed neutral is widely used in power systems.
   A.C.三相三线制系统，具有低电阻接地中性点，在电力系统中得到了广泛的应用。
2. 2. In the A.C.three-phase three-wire system, the phase voltages are balanced and the neutral voltage is zero.
   在A.C.三相三线制系统中，各相电压平衡，中性点电压为零。
3. 3. The A.C. three-phase three-wire system is a common type of power transmission system.
   A.C.三相三线制系统是一种常见的输电系统类型。