%3Cp%3EThe%20rotor%26nbsp%3Bof%26nbsp%3Ba%26nbsp%3B3phase%2C%26nbsp%3B5%26nbsp%3
ID: 1845873 • Letter: #
Question
%3Cp%3EThe%20rotor%26nbsp%3Bof%26nbsp%3Ba%26nbsp%3B3phase%2C%26nbsp%3B5%26nbsp%3BkW%2C%26nbsp%3B400v%2C%26nbsp%3B50Hz%2C%26nbsp%3Bslipring%26nbsp%3Binduction%26nbsp%3Bmotor%26nbsp%3Bis%26nbsp%3Bwound%26nbsp%3Bfor%26nbsp%3B6%26nbsp%3Bpoles%26nbsp%3Bwhile%26nbsp%3Bits%26nbsp%3Bstator%26nbsp%3Bis%26nbsp%3Bwound%26nbsp%3Bfor%26nbsp%3Bpoles.%26nbsp%3BThe%26nbsp%3Bapprox%26nbsp%3Baverage%26nbsp%3Bno%26nbsp%3Bload%26nbsp%3Bsteady%26nbsp%3Bstate%26nbsp%3Bspeed.%26nbsp%3BWhen%26nbsp%3Bthis%26nbsp%3Bmotor%26nbsp%3Bis%26nbsp%3Bconnected%26nbsp%3Bto%26nbsp%3B400V%2C%26nbsp%3B50%26nbsp%3BHz%26nbsp%3Bsupply%26nbsp%3Bis%3C%2Fp%3EExplanation / Answer
Rotor poles are inducred poles in squireel cage rotor so this type of rotor respond automatically to the changes in stator no. of poles. where as in slip ring rotor....so number of poles are same in stator and rotor in squirell guage by induction...but in slip ring motor you have to manually wound it to the same number of poles...so as the number of poles are different the no load speed is zero,.....number phases can be different in stator and rotor but number of poles should be same
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