A 540 V, 50 Hz, 3-phase circuit takes 47 A at a lagging power factor of 0.87. A synchronous motor is used to raise the power factor to unity. Calculate the VA input to the motor when driving a mechanical load of 8.5 kW. The motor has an efficiency of 93%. Give your final answer in 2 decimal places.

A 540 V, 50 Hz, 3-phase circuit takes 47 A at a lagging power factor of 0.87. A synchronous motor is used to raise the power factor to unity. Calculate the VA input to the motor when driving a mechanical load of 8.5 kW. The motor has an efficiency of 93%. Give your final answer in 2 decimal places.

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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A 540 V, 50 Hz, 3-phase circuit takes 47 A at a lagging power factor of 0.87. A synchronous motor is used to raise the power factor to unity. Calculate the VA input to the motor
when driving a mechanical load of 8.5 kW. The motor has an efficiency of 93%. Give your final answer in 2 decimal places.

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