Answer / bharani

Your DG set will have a in-built alternator that will charge
the battery only when it runs.
In case you dont run your DG set frequently, you can have an
external battery charger also.

Answer / rakesh

PROCESS OF "charged the battery in DG" :-
DG GIVE ELECTRICAL POWER(AC VOLTAGE)AND CONVERT THE DC VOLTAGE
AND LIMITING THE VOLTAGE AS PER REQUIREMENT(BATTER VOLTAGE) AND CHARGE THE BATTERY
DISADVANTAGE :-
BATTERY CHARGING DEPENDS ON TIME & AMP. BUT DG ONLY FOR EMERGENCE PURPOSE(SHORT TIME PURPOSE). SO IF YOU CHARGING BATTERY THOUGH THE DG IT VERY COSTLY.
ADVANTAGE :-
SOME PLANT HAVE SOME SYSTEM SHOULD NOT "SHUT DOWN". IN THAT CASE IT HELP TO GIVE SOME TIME

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