what happens when d cexcitation given to alternator is
removed while it is running or what happens when dc
excitation is failed in alternator while running?

Answer Posted / atul

if excitation fails let d case of hydro generator the prime
mover is turbine. since turbine ic moving and is coupled
with generator shaft and no flux to control its speed it
will go out of path or speed will increase beyond
synchronism

Is This Answer Correct ?    8 Yes 6 No



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