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    Horsepower and efficiency of three-phase motor

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    If a fully loaded 440V, three-phase motor draws 12.4 A at 86% power factor (pf). It's speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft x 1.356 = 39.5 Nm.

    What is the output horsepower? Efficiency?

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    https://brainmass.com/engineering/mechanical-engineering/72030
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