9. The Power Input to a 400volt,50HZ,3Phase motor is measured by two wattmeters which indicate 300KW and 10KW respectively.Calculate(a) the input power (b) power factor and (c)line current Given VL 400 volts ,W1-300OKW,W2=100KW Formula (a) Input power = W1+W2 = K) Power factor = Coso tano= v3 (W2-W1)/(W1+W2) %3D Line current = IL = P=v3 VLIL Coso

9. The Power Input to a 400volt,50HZ,3Phase motor is measured by two wattmeters which indicate 300KW and 10KW respectively.Calculate(a) the input power (b) power factor and (c)line current Given VL 400 volts ,W1-300OKW,W2=100KW Formula (a) Input power = W1+W2 = K) Power factor = Coso tano= v3 (W2-W1)/(W1+W2) %3D Line current = IL = P=v3 VLIL Coso

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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