A capacitor, an electric resistance heater, and an impedance are connected in parallel to a 120 V, 60 Hz system. The capacitor draws 50 VAR, the heater draws 100 W and the impedance coil draws 269 VA at a pf of 0.74 lagging. Determine the system power factor.

A capacitor, an electric resistance heater, and an impedance are connected in parallel to a 120 V, 60 Hz system. The capacitor draws 50 VAR, the heater draws 100 W and the impedance coil draws 269 VA at a pf of 0.74 lagging. Determine the system power factor.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

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A capacitor, an electric resistance heater, and an
impedance are connected in parallel to a 120 V, 60 Hz
system. The capacitor draws 50 VAR, the heater draws 100
W and the impedance coil draws 269 VA at a pf of 0.74
lagging. Determine the system power factor.

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