Chapter: Electrical Engineering and Instrumentation : Induction Machines and Synchronous Machines
Equivalent Circuit of Induction Motor
The induction motor is similar to the transformer with the exception that its secondary windings are free to rotate.
Equivalent Circuit
The induction motor is similar to
the transformer with the exception that its secondary windings are free to
rotate.
Where ER is the induced voltage in the rotor and RR is the rotor resistance.
Now
we can calculate the rotor current as,
Where ER0 is the induced voltage and XR0 is the rotor reactance at blocked rotor condition (s = 1).
Now as we managed to solve the
induced voltage and different frequency problems, we can combine the stator and
rotor circuits in one equivalent circuit
Where,
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Electrical Engineering and Instrumentation : Induction Machines and Synchronous Machines : Equivalent Circuit of Induction Motor |
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Electrical Engineering and Instrumentation : Induction Machines and Synchronous Machines