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1.why motor rating in kw instead of KVA?
2.why alternators rating in KVA instead of KW?.
3.why transformer rating in KVA instead of KW?.

Question Posted / r.dillibabu

Answers were Sorted based on User's Feedback



1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / rabindra kumar

because motor gives mechanical power as output, where as transformer
n alternator give electrical power as output.

Is This Answer Correct ?    5 Yes 3 No

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / sanju

All depend on power factor.

Is This Answer Correct ?    0 Yes 0 No

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / jagu

Transformer is independent of pf.Hence the transformer rating is always expressed in KVA.
In Motor the pf is dependent on percentage loading & hence expressed in KW.

Is This Answer Correct ?    0 Yes 0 No

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / brd ganesh

All ac sources are rated in kva where alternator
&transformer and all ac loads are rated in kw
where motor

Is This Answer Correct ?    0 Yes 2 No

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / ritika

motor manufacture ki marji.
alternator manufacture ki marji.

Is This Answer Correct ?    4 Yes 11 No

1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why tra..

Answer / prasanna

becoz iron losses depends on voltage and copperlosses depends on current.....so the motor rating is in KVA

Is This Answer Correct ?    1 Yes 9 No

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