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?.
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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 |
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 |
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 |
Answer / ritika
motor manufacture ki marji.
alternator manufacture ki marji.
| Is This Answer Correct ? | 4 Yes | 11 No |
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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