When there are more than two electric water pumps, their power supply should use electricity from different mother line of the power system.
当有两台以上电动给水泵时，给水泵的电源应从厂用电系统不同的母线段取得。
2
The line loss, which is one of the important indexes of the power-supply system, possesses direct influence on enterprise's economic benefit, operation level and all other electric power indexes.
线损是供电系统的重要指标之一，它直接关系到企业的经济效益、经营管理水平及其他各项电能质量的高低。
3
To guarantee electric power system running safely, make it quickly resume power supply to the line and equipment being power cut.