Assume that a three-phase 500 hp 60 Hz 4160 V wye-connected induction motor has a full- load efficiency (n) of 88% and a lagging power factor of 0.75 and is conne cted to a feeder. If it is desired to correct the power factor of the load to a lagging power factor of 0.9 by connecting three capacitors at the load, determine the following: a. The rating of the capacitor bank, in kilovars b. The capacitance of each unit if the capacitors are connected in delta, in microfarads c. The capacitance of each unit if the capacitors are connected in wye, in microfarads

Assume that a three-phase 500 hp 60 Hz 4160 V wye-connected induction motor has a full- load efficiency (n) of 88% and a lagging power factor of 0.75 and is conne cted to a feeder. If it is desired to correct the power factor of the load to a lagging power factor of 0.9 by connecting three capacitors at the load, determine the following: a. The rating of the capacitor bank, in kilovars b. The capacitance of each unit if the capacitors are connected in delta, in microfarads c. The capacitance of each unit if the capacitors are connected in wye, in microfarads

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 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

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