How to solve three-phase, 4-pole, Y-connected cir?

Thread Starter

teslatin

Joined Oct 17, 2005
1
The equivalent circuit of a 220-V, three-phase, 4-pole, Y-connected, 60-Hz induction motor showed in the diagram has

For a slip of 2.5%


There are four things to find,
(1) the total input power
(2) the air gap power
(3) the output mechanical torque
(4) the efficiency

I attached the circuit diagram.

Not very clear but hope you can see it because I juz scanned it.
Hope that expert could give me some guide to do this question.
 
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