A 440Vrms, 60-Hz source supplies two loads connected in parallel : Load 1(L1): 12 kVA, 0.70 pf lagging Load2 (L2): 10 kVA, 0.80 pf lagging (a) Find the p.f. of the parallel combination. (b) Calculate the capacitance connected in parallel that will raise the power factor to unity.

A 440Vrms, 60-Hz source supplies two loads connected in parallel : Load 1(L1): 12 kVA, 0.70 pf lagging Load2 (L2): 10 kVA, 0.80 pf lagging (a) Find the p.f. of the parallel combination. (b) Calculate the capacitance connected in parallel that will raise the power factor to unity.

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 2.18P: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...

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Question

A 440Vrms, 60-Hz source supplies two loads connected in parallel :
Load 1(L1): 12 kVA, 0.70 pf lagging
Load2 (L2): 10 kVA, 0.80 pf lagging
(a) Find the p.f. of the parallel combination.
(b) Calculate the capacitance connected in parallel that will raise the power factor to
unity.

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