Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source.
Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source.
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 2.48P
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Question
Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and
the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase,
480-volt source.
d. ∆-connected capacitors are now installed in parallel with the combined load. What
value of capacitive reactance is needed in each leg of the ∆ to make the source power
factor unity? Give your answer in W.
e. Compute the magnitude of the current in each capacitor and the line current from the
source
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