Induction Motor Torque - | Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail |

Chapter: Electrical machines - Three Phase Induction Motor

Induction Motor Torque

The mechanical power P available from any electric motor can be expressed as: P= 2πNT / 60 watts

Induction Motor Torque

 

The mechanical power P available from any electric motor can be expressed as:

P= 2πNT / 60 watts


Where

N =speed of the motor in r.p.m.

T = torque developed in N-m


If the gross output of the rotor of an induction motor is Pm and its speed is N r.p.m., then gross torque T developed is given by:




Note. Since windage and friction loss is small, Tg = Tsh,. This assumption hardly leads to any significant error.


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