(b) A 3 phase, 600 V, star connected induction motor has a star connected rotor with a stator to rotor turns ratio of 5.

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(b) A 3 phase, 600 V, star connected induction motor has a star connected rotor with a stator to rotor turns ratio of 5.

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B A 3 Phase 600 V Star Connected Induction Motor Has A Star Connected Rotor With A Stator To Rotor Turns Ratio Of 5 1
B A 3 Phase 600 V Star Connected Induction Motor Has A Star Connected Rotor With A Stator To Rotor Turns Ratio Of 5 1 (56.65 KiB) Viewed 54 times
(b) A 3 phase, 600 V, star connected induction motor has a star connected rotor with a stator to rotor turns ratio of 5. The rotor resistance and stand still reactance per phase are 0.04 2 and 0.2 12 respectively. Calculate: i. The external resistance required to be added per phase to the rotor circuit to obtain maximum starting torque. (2 marks) The rotor starting current with this resistance. (2 marks) ii.
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