Q.

A6 pole 3 phase 50Hz induction motor develops mechanical power of 40Hp and has mechanical losses of 1500W at a speed of 960rpm when connected to 500V. The output available at the shaft is (Take 1HP=746W)

A. 27kw
B. 31340w
C. 29840w
D. 28340w
Answer» D. 28340w
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