In a spinning industry, a 215 V, 4 pole shuntmotor runs at a speed of 1300 rpm gives anoutput of 8 HP with an armature current of 38A. The armature winding is wave-connectedand it has 670 conductors. Its armatureresistance is 0.5 N and drop at each brush is 1V. Find (i) Useful torque, (ii) Total torque, (iii)Useful flux per pole and (iv) Rotational lossesoccurring in the motor. [ 1HP= 746 W ]Useful TorqueTotal TorqueFlux per poleRotational Loss in the Motor

In this question we will find dc shunt motor torque , flux etc...

In a spinning industry, a 215 V, 4 pole shunt motor runs at a speed of 1300 rpm gives an output of 8 HP with an armature current of 38 A. The armature winding is wave-connected and it has 670 conductors. Its armature resistance is 0.5 Q and drop at each brush is 1 V. Find (i) Useful torque, (ii) Total torque, (iii) Useful flux per pole and (iv) Rotational losses occurring in the motor. [ 1HP= 746 W ] Useful Torque Total Torque Flux per pole

In a spinning industry, a 215 V, 4 pole shunt motor runs at a speed of 1300 rpm gives an output of 8 HP with an armature current of 38 A. The armature winding is wave-connected and it has 670 conductors. Its armature resistance is 0.5 Q and drop at each brush is 1 V. Find (i) Useful torque, (ii) Total torque, (iii) Useful flux per pole and (iv) Rotational losses occurring in the motor. [ 1HP= 746 W ] Useful Torque Total Torque Flux per pole

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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Concept explainers

Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.

Question

In a spinning industry, a 215 V, 4 pole shunt
motor runs at a speed of 1300 rpm gives an
output of 8 HP with an armature current of 38
A. The armature winding is wave-connected
and it has 670 conductors. Its armature
resistance is 0.5 N and drop at each brush is 1
V. Find (i) Useful torque, (ii) Total torque, (iii)
Useful flux per pole and (iv) Rotational losses
occurring in the motor. [ 1HP= 746 W ]
Useful Torque
Total Torque
Flux per pole
Rotational Loss in the Motor

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