(1) An 16-pole generator has 1000 armature conductors and has a useful flux per pole of 130mWb. What will be the emf generated, if it is wave connected and runs at 3000rpm. What must be the speed at which it has to be driven to produce the same emf if it is lap wound?

(1) An 16-pole generator has 1000 armature conductors and has a useful flux per pole of 130mWb. What will be the emf generated, if it is wave connected and runs at 3000rpm. What must be the speed at which it has to be driven to produce the same emf if it is lap wound?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

(1) An 16-pole generator has 1000 armature conductors and has a useful flux per
pole of 130mWb. What will be the emf generated, if it is wave connected and runs
at 3000rpm. What must be the speed at which it has to be driven to produce the
same emf if it is lap wound?
(ii) A DC motor connected with 250 V with the armature resistance of 0.8 ohms and
armature current 50 A with w = 95 then calculate the torque developed and the
speed.
Paragraph
B I
II

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