Asked by misser focks on May 12, 2024
Verified
In a three-phase motor, the speed of rotation of the magnetic field is called the _____ speed.
A) magnetic
B) slip
C) synchronous
D) rotor
Three-Phase Motor
A type of induction motor that operates on three-phase alternating current, known for its efficiency and consistent torque delivery.
Magnetic Field
A region around a magnetic material or moving electric charge within which the force of magnetism acts.
Synchronous Speed
The speed of the rotating magnetic field of an AC induction motor.
- Describe the concept of synchronous speed in three-phase motors.
Verified Answer
AK
amanpreet kaur sembhiMay 16, 2024
Final Answer :
C
Explanation :
The speed of rotation of the magnetic field in a three-phase motor is called the synchronous speed. This speed is determined by the frequency of the AC power supply and the number of poles in the motor, and it is the speed at which the magnetic field rotates.
Learning Objectives
- Describe the concept of synchronous speed in three-phase motors.
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