why a.cc. generator is prepare over d.c.generator??
Answers
Answer:
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Answer:
Why is AC generator used over DC generator?
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Hello Seidu,
Without question the AC machine is the winner. In fact, as we look around the world, we see that the DC generator is nearly extinct.
The advantages include:
long life from a relatively simple machine.
lower maintenance cost as we do not need to maintain brushes and commutator. This also makes for a clean machine as we don’t need to clean up the carbon dust.
improved heat dissipation as the high power windings are on the stator with its relative large surface area.
no brush losses.
the AC machine is generally easy to convert into a DC via rectifiers.
while I don’t have specific numbers, It’s safe to say that the AC machine is less expensive.
AC generators are compatible with the transformer yielding improved efficiency and lower overall system cost.