Compute capacitor size, Calculate capacitor size, An

Compute capacitor size

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Reference no: EM13139927

Calculate capacitor size

An electrical supply company charges its consumers a penalty if their reactive energy consumption (Kvar-hour)exceeds half their true energy consumption (Kilowatt-hour).

Calculate the value of the parallel capacitor required to be installed at the factory to avoid the penalty.

The supply is 240 Volts ac @ 50Hz

the total load impedance is Zt = 3.04 at 35.5 degrees

The power factor is 0.81

Now I know that:
apparent power S = 32594.05
Active power P = 26535.32
Reactive power Q = 18927.46

Using the formula:
C = 1/w [1/Zt * Sin Q - 1/Zt * Cos Q * Tan Q]

I get C = 0.000181 which I know is the correct answer.

What I need help with is how do I get P or S from the details below:

The supply is 240 Volts ac @ 50Hz

the total load impedance is Zt = 3.04 at 35.5 degrees

The power factor is 0.81

Reference no: EM13139927

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