A 210V, 900rpm, 160 A separately excited dc motor has an armature resistance of 0.072. It is fed from a single phase fully controlled rectifier with an ac source voltage of 230V, 60HZ. Assuming continuous conduction. Determine i) Back emf ii) Firing angle for rated motor torque and -600rpm iii) Motor speed for a = 150° and rated torque. iv) Firing angle for rated motor torque and 700rpm. i) Back emf ii) Firing angle iii) Motor speed iv) Firing angle

A 210V, 900rpm, 160 A separately excited dc motor has an armature resistance of 0.072. It is fed from a single phase fully controlled rectifier with an ac source voltage of 230V, 60HZ. Assuming continuous conduction. Determine i) Back emf ii) Firing angle for rated motor torque and -600rpm iii) Motor speed for a = 150° and rated torque. iv) Firing angle for rated motor torque and 700rpm. i) Back emf ii) Firing angle iii) Motor speed iv) Firing angle

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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