A 3-phase star connected induction motor has a 4-pole, stator winding. The motor runs on 50 Hz supply with 230 V between lines. The motor resistance and standstill reactance per phase are 0.25Ω and 0.8 Ω respectively. Calculate The total torque at 5 %, The maximum torque, The speed of the maximum torque if the ratio of the rotor to stator turns is 0.67 whilst neglecting stator impedance.

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Q: 1. The operation of Commutator in DC Motor is O a) to convert dc to ac O b) to convert ac to dc O c)…

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Q: how does the rotor of a 3-phase induction motor get power a-  through brushes and commutador…

A: In this question we need to choose a correct option.

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.