Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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In the circuit shown, device A receives 4 kW at 0.6 pf leading , device B receives 6 kVA at 0.4 pf
lagging , while device C is inductive and consumes 1 kW and receives 500 VAR, if f=60 Hz
1) Find power factor of the entire system
2) Find I given that V=240Z45° volt
3) Raise the power factor of the entire system to unity (PF=1)
I
A
+
B
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Transcribed Image Text:In the circuit shown, device A receives 4 kW at 0.6 pf leading , device B receives 6 kVA at 0.4 pf lagging , while device C is inductive and consumes 1 kW and receives 500 VAR, if f=60 Hz 1) Find power factor of the entire system 2) Find I given that V=240Z45° volt 3) Raise the power factor of the entire system to unity (PF=1) I A + B
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