A 460 V, 4 pole shunt motor has a wave-connected armature winding having 1196 conductors and the flux per pole is 0.17 Wb. The torque developed at the pulley is 760 N.m and the torque required to overcome losses is 4% of the pulley torque. Calculate: (a) the armature current (b) the speed of the motor (c) the overall efficiency. The resistance of the armature is 0.07 Q and that of the field circuit 380 Q. allow a total brush drop of 2 V.

A 460 V, 4 pole shunt motor has a wave-connected armature winding having 1196 conductors and the flux per pole is 0.17 Wb. The torque developed at the pulley is 760 N.m and the torque required to overcome losses is 4% of the pulley torque. Calculate: (a) the armature current (b) the speed of the motor (c) the overall efficiency. The resistance of the armature is 0.07 Q and that of the field circuit 380 Q. allow a total brush drop of 2 V.

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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