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ElectricalElectric Drives
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A three-phase, four-pole, 50 Hz induction motor rotates at a full-load speed of 1470 rpm. The EMF measured between the slip-ring terminals when the rotor is not rotating is 200 V. The rotor windings are star connected and has resistance and stand-still reactance per phase of 0.1 Ω and 1.0 Ω. respectively. Then the rotor current on full load is

A

25 A

B

15.43 A

C

22.5 A

D

11.2 A

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