A 100 KVA, 400V, 3-phase, star connected alternator due to following data: The voltage applied to the field winding is 220V. The efficiency of the machine at half load is?

A 100 KVA, 400V, 3-phase, star connected alternator due to following

1.	A 100 KVA, 400V, 3-phase, star connected alternator due to following data: The voltage applied to the field winding is 220V. The efficiency of the machine at half load is?
A.	96.7%
B.	95%
C.	94.2%
D.	97View Answer
Answer» B. 95%

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A 100 KVA, 400V, 3-phase, star connected alternator due to following data: The voltage applied to the field winding is 220V. The efficiency of the machine at half load is?

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