A 25 kVA, 240 V single phase source supply the rated power at the rated voltage to a motor at 0.8 power factor lagging. Find the capacitor bank in order to improve the power factor to 0.9 lagging connected to a motor. a. Calculate the real power, reactive power and current before capacitor bank is connected? b. Calculate the power and reactive power after capacitor bank is connected? c.What is kVA rating of capacitor bank QC?

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 2.19P: Consider a single-phase load with an applied voltage v(t)=150cos(t+10)volts and load current...
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A 25 kVA, 240 V single phase source supply the rated power at the rated voltage to a motor at 0.8 power factor lagging. Find the capacitor bank in order to improve the power factor to 0.9 lagging connected to a motor.
a. Calculate the real power, reactive power and current before capacitor bank is connected?

b. Calculate the power and reactive power after capacitor bank is connected?

c.What is kVA rating of capacitor bank QC? 

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