Establishing Electrical Power Flashcards
1
Q
What is the minimum battery voltage?
A
25.5 volts
2
Q
Is the minimum battery voltage 25.5 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 are charging
4
Q
How LONG does it take to charge the battery if the voltage is below 25.5?
A
20 min
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? (Assuming batteries are the only power source)
A
- HOT BATTERY BUS 1 and 2 are always powered.
- DC BATTERY BUS
