The input power to a 3-phase star connected load is measured as 19kW. If the line current and power factor of the load are 21 A and 0.7 respectively, then the value of line voltage is given by,
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A: a)This is an AC source. Thus the rms voltage is given by
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A: XC=1C2πf=110 μF10-6 F1 μF2π60 Hz=265.4 ohm
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A: Given that:- Resistance of the resistor=140 ohm
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A: The expression for the Vmax is,
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