Calculate speed of fifth space harmonic for a 3 phase induction motor with 4 pole stator.

Q.  A 50 Hz, 3 phase induction motor with 4 pole stator is supplied by mains, which contains a pronounced fifth time harmonic. The speed of the fifth space harmonic will be
- Published on 27 Oct 15

a. 100 rpm
b. 300 rpm
c. 600 rpm
d. 7500

ANSWER: 300 rpm

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    Discussion

  • hemant   -Posted on 30 Jul 18
    plz soluition
  • Nadeem   -Posted on 26 Dec 16
    Sn = ( Ns + (Ns/n) ) / Ns

    S=( Ns - N)/ Ns

    Here n = 5
    Ns = 1500

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