Magnetizing current
Effect of magnetizing current and
its effect on the power factor can be understood from the phasor diagram of the
induction motor shown in Fig.
Magnetizing current and power factor
being very important parameters in deciding the performance of induction
motors, the induction motors are designed for optimum value of air gap or
minimum air gap possible. Hence in designing the length of the air gap following
empirical formula is employed.
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