A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w = 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the armature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the VT, with power equal to 2 hp, R₁ = 0.1 Q, R = 0.05 2, and the current consumed equal to 100 A. Calculate the V₁ and the motor efficiency. 3- Draw both characteristics for the generator and motor.
A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w = 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the armature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the VT, with power equal to 2 hp, R₁ = 0.1 Q, R = 0.05 2, and the current consumed equal to 100 A. Calculate the V₁ and the motor efficiency. 3- Draw both characteristics for the generator and motor.
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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Transcribed Image Text:A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 22. The
speed of the shaft is given by w = 150 rad/sec. and the magnetic flux equal to 5 Weber with
proportional constant equal to 2.5. Do the following:
1- Calculate the field and the armature currents and the terminal voltage with no load condition.
2- A series DC motor is connected a cross the VT, with power equal to 2 hp, R₁ = 0.1 Q2, Rf = 0.05
2, and the current consumed equal to 100 A. Calculate the V₁ and the motor efficiency.
3- Draw both characteristics for the generator and motor.
+0
JA
IL
0.05 Ω
0-3002
Radj
ww
RA
20 Ω
RF
VF=430 V
NF = 1000 turns
LF
EA
0 +
VT
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