In synchronous generators field is rotor and armature is
stator.Can we take the output at the rotor in case of
synchronous generator by the dc excitation on the stator?
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Answer Posted / sdvyas
Yes,electricity can be generater in either case.
However,due to high voltage 6.6 KV/11 KV it is much more
safe to kept HV on stator. Further, if we take HV on the
rotor, rotor will have more mass as the total curent will
be carried out by HV windings only. It will also give more
thrust on the bearings.
Therefore, it is safe and reliable to have field windings
on the rotor part of the generator. Brushless exciter is
the best choice for any syncrogenerator.
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