A 20 h.p., 250 V shunt motor has an armature circuit resistance (including brushes nd interpoles) of 0.22 2 and a field resistance of 170 Q, at no load and rated voltage, ne speed is 1200 r.p.m. and the armature current is 3 A, at full-load and rated voltage, e line current is 55 A and the flux is reduced by 6 % (due to effects of armature eaction) from its value at no-load. What is the full-load speed?

A 20 h.p., 250 V shunt motor has an armature circuit resistance (including brushes nd interpoles) of 0.22 2 and a field resistance of 170 Q, at no load and rated voltage, ne speed is 1200 r.p.m. and the armature current is 3 A, at full-load and rated voltage, e line current is 55 A and the flux is reduced by 6 % (due to effects of armature eaction) from its value at no-load. What is the full-load speed?

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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