3 Two impedances z1 and z2 when connected separately across a 230V 50HZ supply consumed 100w and 60W at power factor of 0.5 lagging and 0.6 leading respectively. If these impedances are now connected in series across the same supply, find a) total power absorbed and overall p.f. b) the value of the impedances to be added in series so as to raise the overall p.f. to unity, c) draw the circuit and diagram/s.

3 Two impedances z1 and z2 when connected separately across a 230V 50HZ supply consumed 100w and 60W at power factor of 0.5 lagging and 0.6 leading respectively. If these impedances are now connected in series across the same supply, find a) total power absorbed and overall p.f. b) the value of the impedances to be added in series so as to raise the overall p.f. to unity, c) draw the circuit and diagram/s.

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 2.17P: Consider a load impedance of Z=jwL connected to a voltage and V let the current drawn be I. (a)...

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