komyozaw


{ City } yangon
< Country > india
* Profession * india
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Question { 25255 }

Why battery chargers are use in substation?


Answer

Back up protection for power system.
Because when the main supply is failure and recover.
We do not know the recover voltage is Higher or lower than normal .So we should check and protect with protection relays.
this protection relays is power by battery charger.
Also all the system is shut down , the battery backup protection is remain.

Is This Answer Correct ?    22 Yes 12 No