B4. A 4 pole DC shunt generator with wave wound armature having 390 conductors, has to supply a load of 504 lamps each of 100 W at 250 V. Allowing 12 V for the voltage drop in the connecting leads between the generator and the load with each brush drop of 2 V. The flux per pole is 36 mWb, Ra = 0.33 ohms and Rsh = 79 ohms. Calculate the armature current and the speed at which the generator should be driven. The armature current The speed of machine

B4. A 4 pole DC shunt generator with wave wound armature having 390 conductors, has to supply a load of 504 lamps each of 100 W at 250 V. Allowing 12 V for the voltage drop in the connecting leads between the generator and the load with each brush drop of 2 V. The flux per pole is 36 mWb, Ra = 0.33 ohms and Rsh = 79 ohms. Calculate the armature current and the speed at which the generator should be driven. The armature current The speed of machine

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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An 8- pole dc generator has 500 armature conducters and a useful flux of 0.05 Wb. A. What will be the emf generated, if it is lap- connected and runs at 1200 rpm? B. What must be the speed at which it is to be driven to produce the same emf if it is wave wound.
A 4 pole DC shunt generator with wave wound armature having 380 conductors has to supply a load of 508 lamps each of 100 W at 250V. Allowing 12 V for the voltage drop in the connecting leads between the generator and the load and total brush drop of 2 V. Calculate the armature current and the speed at which the generator should be driven. The flux per pole is 38 mWb and Ra = 0.69 ohms and Rsh = 75 ohms. The armature current is = The speed of machine is =
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