Establishing Electrical Power Flashcards
1
Q
What is the minimum battery voltage?
A
o 25 volts
2
Q
Is the min batt voltage with the battery PB’s ON or OFF?
A
o OFF
3
Q
How do you charge the batteries if the voltage is below 25.5?
A
o 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
o 20 minutes
5
Q
What does a FAULT light in the battery PB indicate?
A
o 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
o Open
7
Q
With the battery PB’s 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
