6. Establishing Electrical Power Flashcards
1
Q
What is the minimum battery voltage?
A
25.5 volts
2
Q
Is that with the battery PBs ON or OFF?
A
OFF
3
Q
How do you charge the batteries if the voltage is below 25.5?
A
Select EXT power ON; Place BAT PBs ON; Check ECAM ELEC page that contactors
are closed and batteries charging.
4
Q
How long does it take?
A
20 minutes
5
Q
What does a FAULT light in a battery pb indicate?
A
Charging current for the corresponding battery is outside normal limits.
6
Q
With the FAULT light illuminated in the battery pb is the battery contactor open or closed?
A
Open
7
Q
With the battery PBs selected what busses are powered (assumes batteries are the only power source)?
A
o HOT BATTERY BUS 1 and 2 are always powered.
o DC BATTERY BUS
