125V DC Flashcards
(4 cards)
Batteries
6 Batteries
- maintain power to DC bus
-two hour supply w/o chargers
Batteries 1-4 Vital
Batteries 5-6 Non-vital
Batteries 1,3,5:
East switchgear
Batteries 2 & 4:
West switchgear
Battery 6:
TB 38’ NW corner
480V AC Supplies
provide power to battery chargers
Battery Chargers
6 chargers, 3 swing chargers
provides power to DC bus and keeps batteries fully charged
Distribution Switchboard
provide 125V DC to DC loads. Low voltage air circuit breakers, molded case circuit breakers, or fuses
freestanding, floor mounted ventilated steel cabinets
Located in emergency switch gear rooms or CR