A 400V, 3-phase Induction motor has input power of 16 KW and operates at power factor of 0.87lagging with an efficiency of 86 %. Calculate the reading on each of the two wattmeter connectedto measure the input.W1W2 A 3-phase star connected balanced load is supplied from a 3 phase, 418 V supply. The line currentis 17 A and the power taken by the load is 6800 W. Find (i) impedance in each branch (ii) powerfactor and (iii) power consumed if the same load is connected in delta.ImpedancePower factorPower when connected in delta

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A 400V, 3-phase Induction motor has input power of 16 KW and operates at power factor of 0.87 lagging with an efficiency of 86 %. Calculate the reading on each of the two wattmeter connected to measure the input. W1 W2

A 400V, 3-phase Induction motor has input power of 16 KW and operates at power factor of 0.87 lagging with an efficiency of 86 %. Calculate the reading on each of the two wattmeter connected to measure the input. W1 W2

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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Question

A 400V, 3-phase Induction motor has input power of 16 KW and operates at power factor of 0.87
lagging with an efficiency of 86 %. Calculate the reading on each of the two wattmeter connected
to measure the input.
W1
W2

A 3-phase star connected balanced load is supplied from a 3 phase, 418 V supply. The line current
is 17 A and the power taken by the load is 6800 W. Find (i) impedance in each branch (ii) power
factor and (iii) power consumed if the same load is connected in delta.
Impedance
Power factor
Power when connected in delta

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