Engineering assignment help question?

Posted on 2014-12-27 06:35:00 in Engineering by DANNY

A three-phase, 5 hp, 208 V, 60 Hz induction motor runs at 1746 rpm when it delivers rated output power.

(a) Determine the number of poles of the machine. [4]

(b) Determine the slip at full load. [0.3]

(c) Determine the frequency of the rotor current. [1.8 Hz] (d) Determine the speed of the rotor field with respect to the
(i) Stator. [1800 rpm]
(ii) Stator rotating field. [0 rpm]

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