rl esc Klab caps lock shift 1 Question 1. A 240-V, 40-A, PM de generator is rated at a speed of 2000 rpm. The armature winding resistance is 0.4 ohms. The rotational loss is 10% of the power developed by the generator at full load. If the generator is operating in the linear range, determine (a) the no-load voltage, (b) the voltage regulation, and (c) the applied torque. 17 Question 2. A 120-V shunt motor takes 4 A when it operates at its no-load speed of 1200 rpm. Its armature winding resistance is 0.8 ohms and the shunt-field resistance is 60 ohms. (a) Determine the rotational loss, and (b) If the back emf under full load (Ea) is 105 V, determine the speed of the machine under full load. 7 home 47 end
rl esc Klab caps lock shift 1 Question 1. A 240-V, 40-A, PM de generator is rated at a speed of 2000 rpm. The armature winding resistance is 0.4 ohms. The rotational loss is 10% of the power developed by the generator at full load. If the generator is operating in the linear range, determine (a) the no-load voltage, (b) the voltage regulation, and (c) the applied torque. 17 Question 2. A 120-V shunt motor takes 4 A when it operates at its no-load speed of 1200 rpm. Its armature winding resistance is 0.8 ohms and the shunt-field resistance is 60 ohms. (a) Determine the rotational loss, and (b) If the back emf under full load (Ea) is 105 V, determine the speed of the machine under full load. 7 home 47 end
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:rl
esc
Klab
caps lock
shift
1
Question 1. A 240-V, 40-A, PM de generator is rated at a speed of 2000 rpm. The armature winding
resistance is 0.4 ohms. The rotational loss is 10% of the power developed by the generator at full load. If
the generator is operating in the linear range, determine (a) the no-load voltage, (b) the voltage regulation,
and (c) the applied torque.
17
Question 2. A 120-V shunt motor takes 4 A when it operates at its no-load speed of 1200 rpm. Its
armature winding resistance is 0.8 ohms and the shunt-field resistance is 60 ohms. (a) Determine the
rotational loss, and (b) If the back emf under full load (Ea) is 105 V, determine the speed of the machine
under full load.
7
home
47
end
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