how does a wattmeter calculate wattage in a circuit of 2300 v and 300 A with a PF of 1?

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  • 1 decade ago
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    volts * amps * PF = watts

    2300 * 300 * 1.00 = 690,000 W or 690 kW

    If this is a three phase circuit, then mulitply by √3.

    690 kW * 1.73 = 1195 kW

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