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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE
IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND
TAKING OUTPUT FROM PRIMARY?

Answer Posted / sadananda

Dear Mr Akialok,

I think, the answer what you have given is not completely
right.As the VA ratting is not going to change in the
transformer, the max current in primmary & secondary will
remain same in whatever way you use.
For example: For 1 KVA 220 V to 110 V trafo, Max primary
current I1=1000/220 = 4.55 A & Max Seconday current
I2=1000/110 = 9.09 A.
So even if you reverse the source voltage, in any way you
can not use for more power.
Please reply for clarification.
Sadananda

Is This Answer Correct ?    27 Yes 1 No



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