In the circuit of Fig. 11.71, device A receives 2 kW at

Chapter 11, Problem 11.52

(choose chapter or problem)

In the circuit of Fig. 11.71, device A receives 2 kW at 0.8 pf lagging, device B receives 3 kVA at 0.4 pf leading, while device C is inductive and consumes 1 kW and receives 500 VAR. (a) Determine the power factor of the entire system. (b) Find I given that Vs 120l45 V rms.

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