A no load test conducted on a 30 Hp, 835 rpm , 440V 3-phase 60 hz squirrel cage induction motor yielded the following results. No load voltage line to line = 440V No load current = 14A No load power = 1470 W Resistance measured between two terminals = 0.5Ω The locked rotor test conducted at reduced voltage gave the following results. Locked rotor voltage line to line = 163V Locked rotor power = 7200W Locked rotor current = 60A Determine the equivalent circuit of the motor.

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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.