电动机的负载电流不得超过额定值，三相电流平衡。
The electric motor should not overload, three -phase current should be balance.
计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5%。
The errorless of three-phase voltage and current is less than 0.5 percent.
计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5%。
The errorless of three-phase voltage and current is less than 0.5 percent.
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