Lec 10 |Three phase induction motor | Torque Equation of Three Phase Induction Motor

The torque produced by three phase induction motor depends upon the following three factors:

Magnitude of rotor current,
The flux which interact with the rotor
The power factor of rotor of the three phase induction motor.

Combining all these factors, we get the equation of torque as-

T ∝  ɸ I2 cosɸ2

Where, T is the torque produced by the induction motor
φ is flux responsible for producing induced emf
I2 is rotor current
cosθ2 is the power factor of rotor circuit

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