= equivalent reactance due to the power develop by the rotor
S= slip
Rs-1= rotor resistance referred to the stator
X2-1= stator reactance referred to the stator
Induction motor = rotating inductor transformer
IT= stator current/ph
¬IR = rotor current/ph
I2= component of I1 that will supply ¬IR
IN=no load current
I= magnetizing current
r2= rotor resistance/ph
r1= stator resistance/ph
X1= stator leakage reactance/ ph
X2= stator leakage reactance/ ph
Xn= magnetizing reactance