How to estimate motor horsepower

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How to estimate motor horsepower

机译：如何估算电机功率

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hp = V × amp × % efficiency x power factor × 1.73/746 Where:rn1. Voltage is the average of the three voltages measured: (A-B + A-C + B-C)/3 2. Amperage is the average current of the 3-phase measured: (A+B+C)/3 3. % efficiency is motor efficiency per motor nameplate 4. Power factor is the ratio of true power (kW) to apparent power (kVA). In the absence of power factor measurement tools, a rule of thumb is to estimate power factor at 0.85.

机译：hp = V×安培×效率x功率因数×1.73 / 746其中：rn1。电压是所测量的三个电压的平均值：（AB + AC + BC）/ 3 2.安培是所测量的三相的平均电流：（A + B + C）/ 3 3.效率是每电机铭牌4.功率因数是有功功率（kW）与视在功率（kVA）的比率。在没有功率因数测量工具的情况下，经验法则是估计功率因数为0.85。

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《Consulting-specifying engineer》 |2012年第1期|p.46|共1页
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How to estimate motor horsepower

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