Answered: A separately-excited DC generator with…

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 generator with magnetization curve shown below (Figure 1) is driven by a prime mover at 1500 rpm. The armature resistance is 0.1 ohms. What is the internal generated voltage of this generator if V_F = 15 Vdc and R_F = 2.44 Ω (combined field winding resistance and variable resistance)?

EAl
500
450
420
430
---------------
400
300
200
100
1.0
2.0
3.0
4.0
5.0
6.0 7.0
8.0
9.0
10.0
4.75
5.2
6.15
Field current, A (Note: At la = 0, EA = 3 V)
Magnetization Curve at nm = 1800 rpm
Internal generated voltage, V

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if this generator is connected to a 100 ohm resistor load, what is the load current in amperes? Note that the armature has a resistance and will be in series with the load. (Answer in 3 decimal places)

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