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We have AC-transformer 110/13.8kv,40MVA.If DC-Voltage=110kv
is applied in its primary what will happen?
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Answer Posted / vasudeva rao
according to the faraday emf is developed in the winding
when there is a rate of change of flux is present.
(E=dΦ/dt ) i.e time variant flux is present. but in d.c
current is constant i.e time invariant. here flux is
constant. so differentiation of constant is zero. i.e
dΦ/dt=0. i.e e=0.
it means winding gets serious short circuit.
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