Question 2014.S3.42: The complex power consumed by a constant-voltage load is giv......

Wiley Acing The Gate Electrical Engineering [1079382]

The complex power consumed by a constant-voltage load is given by $\left(P_1+j Q_1\right)$ , where, 1 kW ≤ $P_1$ ≤ 1.5 kW and 0.5 kVAR ≤ $Q_1$ ≤ 1 kVAR. A compensating shunt capacitor is chosen such that |Q| ≤ 0.25 kVAR where Q is the net reactive power consumed by the capacitor-load combination. The reactive power (in kVAR) supplied by the capacitor is ———–

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Reactive power consumed by load =0.25 kVAR
Reactive power required for load = 1 kVAR
Reactive power supplied for capacitor = 1 – 0.25 = 0.75 kVAR

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