Obtain the power factor of a two branch parallel circuit where the first branch has Z1-2+j4 and the second Z2-6+j0. To what value must the 6 ohm resistor be changed to result in overall power factor of 0.9 lagging?

Obtain the power factor of a two branch parallel circuit where the first branch has Z1-2+j4 and the second Z2-6+j0. To what value must the 6 ohm resistor be changed to result in overall power factor of 0.9 lagging?

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.61P

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Question

Obtain the power factor of a two branch parallel circuit where
the first branch has Z1=2+j4 and the second Z2=6+j0. To what
value must the 6 ohm resistor be changed to result in overall
power factor of 0.9 lagging?

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