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To test Transformer we give HT side 440V to see wheather
that it is producing 17.6V on LT to verify Voltage ratio is
correct or not but when we give the 440V voltage to LT side
then what will happen to HT voltage ?
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Answer Posted / nithi
Nothing will happen.Simply,fuse will blown-off.
REASON: LV windings normally have low resistance (fatty
winding) compared to HV side.so, at the moment of
application of high voltage the fuse will sacrifice itself
to pretect the transformer LV windings.
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