Answered: A separately, excited Dc motor fed from…

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 separately, excited Dc motor fed from
3-phase semi-controlled rectifier develops a full
load torque at 1500 rpm. When firing angle Zero
the armature taking 50A and having
having an armature
resistance of 0.5ohm. when the motor back emf
Constant is 0.25 V/rpm. Calculate the supply
Voltage per phase, find also the range of
angle required to give speed between 1500rpm
and 750 rpm at full load torque.

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