An 8-pole d.c. shunt generatorExamplewith 778 wave-connected armature conductors and run-ning at 500 rp.m. supplies a load of 12.5 2 resistance atterminal voltage of 50 V The armature resistance is 0.242 and the field resistance is 250 2 Find the armaturecurrent, the incduced e.m.j. and the flux per pole.Example A separately excited generator, when rumig at 1000 pm. suplied 200 at125 V. What will be the load current when the speed drops to 800 xp.m.if l,is unchanged? Giventhat the armature resistance = 0.04 ohm andbrush drop = 2 V

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Example with 778 wave-connected armature conductors and run- ning at 500 rp.m. supplies a lood of 12.5 2 resistance at terminal voltage of 50 V The arımature resistance is 0.24 2 and the field resistance is 250 2 Find the armature current, the induced e.m.f. and the flux per pole. An 8-pole d.c. shunt generator

Example with 778 wave-connected armature conductors and run- ning at 500 rp.m. supplies a lood of 12.5 2 resistance at terminal voltage of 50 V The arımature resistance is 0.24 2 and the field resistance is 250 2 Find the armature current, the induced e.m.f. and the flux per pole. An 8-pole d.c. shunt generator

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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Q3) The armature of a 4-pole DC machine has 240 coils wound in lap formation. Each coil generates a voltage of 4 V and carries a current of S A. a) Calculate the total generated voltage in the armature,Eg. b) Find the current in each parallel path and total armature current. c) If the armature is rewound in wave formation, find the generated voltage, Eg. current per path and total armature current. Assume number of coils are fixed at 240.