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26 September, 09:21

What is the power of a motor that is supplied 460 volts at 4.6 amps and the horsepower is 5hp?

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  1. 26 September, 10:18
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    The power or Wattage is: 2116

    Explanation:

    I am hoping that you are wanting the wattage or power draw for the motor.

    Watts = Volts * Amps

    Watts = 460 * 4.6

    Watts = 2116

    Now the fact that it is a 5hp motor is probably not important for this problem. But, if it is, the figure for Wattage to Horsepower is 735.5 Watts approximately for 1 horsepower. If so, then:

    5hp * 735.5 = 3677.5 Watts

    So really, this motor is not capable of putting out 5hp at the load in the problem. It will really only put out something less than:

    5 / 3677.5 = x / 2116

    3677.5x = 5 * 2116

    3677.5x = 10580

    x = 10580 / 3677 = 2.88 hp

    To get the full 5hp you would need to have more voltage or current.
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