1. How much voltage is generated due to residual flux in the poles? 2. How much voltage is generated at no-load with field resistance Rf1? 3. How much voltage is generated at no-load with field resistance Rf2? 4. Which line represents a field resistance higher than the critical field resistance? How much voltage does the machine generates at this field resistance.

Introductory Circuit Analysis (13th Edition)
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Q2) A) Consider figl below, where the OCC of a DC generator is drawn. Answer the following
questions,
1. How much voltage is generated due to residual flux in the poles?
2. How much voltage is generated at no-load with field resistance Rf1?
3. How much voltage is generated at no-load with field resistance Rf2?
4. Which line represents a field resistance higher than the critical field resistance? How
much voltage does the machine generates at this field resistance.
Transcribed Image Text:Q2) A) Consider figl below, where the OCC of a DC generator is drawn. Answer the following questions, 1. How much voltage is generated due to residual flux in the poles? 2. How much voltage is generated at no-load with field resistance Rf1? 3. How much voltage is generated at no-load with field resistance Rf2? 4. Which line represents a field resistance higher than the critical field resistance? How much voltage does the machine generates at this field resistance.
Q2/A/Figure 1
150
140
Rf 2-
Rf1
130
Rf3-
120
110
100
90
08 3
70
60
50
40
30
20
10
0.2
0.4
0.6
0.8
1.2
1.4
L(A)
Transcribed Image Text:Q2/A/Figure 1 150 140 Rf 2- Rf1 130 Rf3- 120 110 100 90 08 3 70 60 50 40 30 20 10 0.2 0.4 0.6 0.8 1.2 1.4 L(A)
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