Answer / sheikh

in any type of generators if AVR has become failed
then not possible to generate the voltage, because excitation
is comulsory to megnetized the alternator field winding
in case of AVR faliuer exitation also must be failed becaus
AVR is supplied the exitation volage either no load condition
or on load condition AVR also incrase and decrease the
exitation voltage and current as per demand of load.

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