5. A 3-4, 400 V, 12 KVA induction motor with a power factor of 70% is connected across a 3-0, 400 V, abc source. If the power factor of the system is to be improved to 90% lagging, determine (a) the kW input of the synchronous motor, with a power factor of 0.85 leading that will accomplish this objective. Instead of using the synchronous motor, (b) what would be the Kvar rating of the capacitor needed to accomplish the power factor improvement?

5. A 3-4, 400 V, 12 KVA induction motor with a power factor of 70% is connected across a 3-0, 400 V, abc source. If the power factor of the system is to be improved to 90% lagging, determine (a) the kW input of the synchronous motor, with a power factor of 0.85 leading that will accomplish this objective. Instead of using the synchronous motor, (b) what would be the Kvar rating of the capacitor needed to accomplish the power factor improvement?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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