100 A. If the motor developing half the torque. Choose the correct answer. Tal armature resistance is 0.1 ohm, and sh field resistance is 110 ohm. Assume th the magnetic circuit is saturated. 1- Armature current before the motor develop half torque is ? 2- Armature current after the motor de half torque is ? 3- Back e.m.f before the motor develop torque is? 4- Back e.m.f after the motor develop F

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter52: Direct Drives And Pulley Drives
Section: Chapter Questions
Problem 8SQ
icon
Related questions
Question

Question 3/ A 220-volt d.c. shunt motor is
running at a speed of 800 r.p.m. and draws
|100 A. If the motor developing half the
torque. Choose the correct answer. Take
armature resistance is 0.1 ohm, and shunt
field resistance is 110 ohm. Assume that
the magnetic circuit is saturated.
1- Armature current before the motor
develop half torque is ?
2- Armature current after the motor develop
half torque is ?
3- Back e.m.f before the motor develop half
torque is?
4- Back e.m.f after the motor develop half
torque is ?
5- The speed after the motor develop half
the torque is?
Transcribed Image Text:Question 3/ A 220-volt d.c. shunt motor is running at a speed of 800 r.p.m. and draws |100 A. If the motor developing half the torque. Choose the correct answer. Take armature resistance is 0.1 ohm, and shunt field resistance is 110 ohm. Assume that the magnetic circuit is saturated. 1- Armature current before the motor develop half torque is ? 2- Armature current after the motor develop half torque is ? 3- Back e.m.f before the motor develop half torque is? 4- Back e.m.f after the motor develop half torque is ? 5- The speed after the motor develop half the torque is?
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Knowledge Booster
Single Phase Induction Motor
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Electric Motor Control
Electric Motor Control
Electrical Engineering
ISBN:
9781133702818
Author:
Herman
Publisher:
CENGAGE L