Practical Tips about Three phase Transformer:-
In a Three Phase Transformer if one HG Fuse of one phase goes off then in the remaining two phases any one phase gets divided or gets added with the blown off phase...
Then also Three phase will be available.
but
i)it won't lag by 120 degree with subsequent phase
ii)if the voltage gets divided with other phase then the input voltage will be low only the half of the original voltage.
iii)if the voltages in the good phase gets added then there will be drastically high voltage and chances of damaging the fuses or other loads connected to it.
In a Three Phase Transformer if one HG Fuse of one phase goes off then in the remaining two phases any one phase gets divided or gets added with the blown off phase...
Then also Three phase will be available.
but
i)it won't lag by 120 degree with subsequent phase
ii)if the voltage gets divided with other phase then the input voltage will be low only the half of the original voltage.
iii)if the voltages in the good phase gets added then there will be drastically high voltage and chances of damaging the fuses or other loads connected to it.
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