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Torque in three-phase induction motor will be produced due to interaction between
A) Stator and Rotor flux
B) Armature and Field Flux
C) Stator and Armature Flux
D) Field and Rotor Flux
Stator and Rotor flux
The correct answer is A) Stator and Rotor flux. Torque in a three-phase induction motor is produced due to the interaction between the magnetic fields generated by the stator and the rotor.
The correct answer is A) Stator and Rotor flux. Torque in a three-phase induction motor is produced due to the interaction between the magnetic fields generated by the stator and the rotor.
When the stator winding is energized, it produces a rotating magnetic field. This field induces currents in the rotor, creating rotor flux. The interaction between the stator flux and rotor flux generates torque, which causes the rotor to turn.
The interaction between stator and rotor flux results in torque generation.
This mechanism is essential for the operation of three-phase induction motors.
High reliability
Simple construction
Lower efficiency compared to synchronous motors
Dependence on slip for starting torque
Pumps
Fans
The torque production principle is fundamental for motor applications.
Option B is incorrect because armature and field flux relate to DC machines, not induction motors.
A is correct — Torque in a three-phase induction motor is indeed produced due to the interaction of the stator and rotor flux.
Understand the differences in operation between AC and DC motors to better grasp induction motor characteristics.