The generator shown in Fig. 1 is rewired as a self-excited shunt DC generator and Radj adjusted to 10 Ω and generator speed is set at 1600 RPM. Ignoring the effects of armature reaction, answer the following questions: If the generator is supplying 40 A to a load, what would be its terminal voltage in volts? (Answer in 2 decimal places). Note that 120V is your EA. What would be the total electrical losses in watts incurred by the generator in the question above?

Delmar's Standard Textbook Of Electricity
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ISBN:9781337900348
Author:Stephen L. Herman
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Chapter12: Batteries And Other Sources Of Electricity
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The generator shown in Fig. 1 is rewired as a self-excited shunt DC generator and Radj adjusted to 10 Ω and generator speed is set at 1600 RPM. Ignoring the effects of armature reaction, answer the following questions:

If the generator is supplying 40 A to a load, what would be its terminal voltage in volts? (Answer in 2 decimal places). Note that 120V is your EA.

What would be the total electrical losses in watts incurred by the generator in the question above?

+
V = 120 V
IF
Rady=0-40 52
RF = 20 S2
NF = 1000
IL
R₁ = 0.189
EA
VT
Transcribed Image Text:+ V = 120 V IF Rady=0-40 52 RF = 20 S2 NF = 1000 IL R₁ = 0.189 EA VT
Terminal and generated voltage, V
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Shunt field current, A
DC Generator Magnetization Curve (taken at 1800 rpm)
Transcribed Image Text:Terminal and generated voltage, V 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 2 5 6 7 4 Shunt field current, A DC Generator Magnetization Curve (taken at 1800 rpm)
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