Why do we choose a DCDB or an UPS for emergency power supply in a substation. is there any specific difference between the two other than the circuits. like for say one partiucular voltyage the size and efficiency differ?
a bit confused on this one kindly throw some light on it.
thanx.
ameya.
a bit confused on this one kindly throw some light on it.
thanx.
ameya.
