Assume the stator and rotor magnetic fields of a motor, “BS” and “BR,” are in x-y plan. If the angle from the vector BS to BR is 30o, measured counterclockwise, what would be the direction of the resulting induced torque? A. Along the +z axis B. Along the -z axis C. counterclockwise D. In the x-y plane E. clockwise
Assume the stator and rotor magnetic fields of a motor, “BS” and “BR,” are in x-y plan. If the angle from the vector BS to BR is 30o, measured counterclockwise, what would be the direction of the resulting induced torque? A. Along the +z axis B. Along the -z axis C. counterclockwise D. In the x-y plane E. clockwise
Electrical Transformers and Rotating Machines
4th Edition
ISBN:9781305494817
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Motor Nameplate Data
Section: Chapter Questions
Problem 8RQ: A motor develops 189 ft-lb of torque at 1745 RPM. What is the horse-power output of the motor?
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Question
Assume the stator and rotor magnetic fields of a motor, “BS” and “BR,” are in x-y plan.
If the angle from the
A. |
Along the +z axis |
|
B. |
Along the -z axis |
|
C. |
counterclockwise |
|
D. |
In the x-y plane |
|
E. |
clockwise |
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