(B)-Explain by drawing the change in the direction of current flows through coils at the ideal case of commutation by considering coil B which is the coil under commutation as shown in the figure below. B C . Armature 5A SA 5A winding 10 A Commutator Brush 10 A Commutator position Given Initial A B C ← SA A 710A Armature winding fig (1) Brush 10A Commutata Assuming the votor is rotating and hence Commutator which is attached to the rotor also rotates. Here let's assume that commutator is moving towards left and at a Certain instant of time it's position is as shown: A B C 75 fig (2) SA SA SA He we can observe Commutator moving in this direction Fron Stationary brush that no-Current is flowing through coil-B At a further instant of time the position of Commutator will be : A B ← SA ASA Fig (3) Commutator moving in this direction stationary brush lo Comparing fig (1) and fig(3) ୦୧ can observe that the the direction of current in Coil-B has reversed.

(B)-Explain by drawing the change in the direction of current flows through coils at the ideal case of commutation by considering coil B which is the coil under commutation as shown in the figure below. B C . Armature 5A SA 5A winding 10 A Commutator Brush 10 A Commutator position Given Initial A B C ← SA A 710A Armature winding fig (1) Brush 10A Commutata Assuming the votor is rotating and hence Commutator which is attached to the rotor also rotates. Here let's assume that commutator is moving towards left and at a Certain instant of time it's position is as shown: A B C 75 fig (2) SA SA SA He we can observe Commutator moving in this direction Fron Stationary brush that no-Current is flowing through coil-B At a further instant of time the position of Commutator will be : A B ← SA ASA Fig (3) Commutator moving in this direction stationary brush lo Comparing fig (1) and fig(3) ୦୧ can observe that the the direction of current in Coil-B has reversed.

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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