...three-phase balance；coincidence factor；phase sequence of electricity meter box；demand coefficient m[gap=132]关键词：住宅；负荷计算；三相平衡；同时系数；表箱相序；需要系数法；单相供电；三相供电 ..
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three-phase balance device 三相平衡装置
three phase balance analyzing 三相功率平衡
three-phase current balance 三相电流平衡
three phase current balance 三相电流平衡
three phase power balance 电极三相功率平衡
three phase no balance charge 三相不平衡负荷
balance of three-phase 三相平衡化
The balance of three-phase load 三相负载平衡化
The test shows that the balance of three phase powers is better and each phase of power factor is higher.
试验表明，三相功率平衡较好，各相功率因数较高。
When determine whether the three phases are in balance, directly measuring phase residual voltages to ground is proved to be inaccurate.
通过测量各相对地的残压来判定发电机三相是否对称的方法是不准确的。
The electric motor should not overload, three -phase current should be balance.
电动机的负载电流不得超过额定值，三相电流平衡。
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