The rotor frequency for a 3 phase 1000 RPM 6 pole induction motor with a slip of
0.04 is________Hz
(A) 8 (B) 4
(C) 6 (D) 2

1 Answer

Answer :

Ans: D
 Given: N=1000 rpm ; P= 6; s= 0.04;
 and f = NP/ 120
 = 10006/120
 = 50 Hz
 Rotor frequency fr=sf = 0.0450
 = 2.0 Hz

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