In all the generators, the excitation supply is DC. What is
the significance of DC excitation? What will happen if AC
supply is given as excitation supply?
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Answer Posted / adarsh
it is not possible to use AC supply for excitation because
for the excitation need stable magnetic field which is not
possible to got in AC, AC polarity is changed in every half
cycle, so it must be need DC for excitation.
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