Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Allegiant A320 Systems (2024) > Electrical > Flashcards

Electrical Flashcards

1
Q

Q1 | EMERGENCY ELECTRICAL PANEL

What buses are powered by the emergency generator?

A
  • AC ESS and AC ESS SHED
  • DC ESS and DC ESS SHED

[ FCOM-DSC-24-10-30-30 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Q2 | EMERGENCY ELECTRICAL PANEL

What is the function of the RAT & EMER GEN pushbutton?

A
  • AUTO – RAT will automatically extend if AC BUS 1 & 2 are not powered and airspeed > 100 knots
  • MAN – extend the RAT at any time

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Q3 | EMERGENCY ELECTRICAL PANEL

How long does it take the RAT to extend and provide power?

A
  • 8 seconds
  • (3 seconds for RAT extension, 5 seconds to pressurize the Blue hydraulic system and power the EMER GEN)

[ FCOM-DSC-24-10-30-30 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Q4 | EMERGENCY ELECTRICAL PANEL

What does the red FAULT light on the RAT & EMER GEN pushbutton indicate?

A

Loss of power to AC Bus 1 + AC Bus 2 and the emergency generator is not supplying power

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Q5 | EMERGENCY ELECTRICAL PANEL

What powers the emergency generator?

A

Blue hydraulic power from the RAT

[ FCOM-DSC-24-10-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Q6 | EMERGENCY ELECTRICAL PANEL

Is there another way to deploy the RAT?

A

Yes, RAT MAN ON from the HYD panel

[ FCOM-DSC-24-10-30-30, FCOM-DSC-29-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Q7 | EMERGENCY ELECTRICAL PANEL

What is different about deploying the RAT via the HYD Panel?

A

Blue HYD pressure only – No Emergency Generator

[ FCOM-DSC-24-10-30-40 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Q8 | EMERGENCY ELECTRICAL PANEL

What happens when you push the GEN 1 LINE pushbutton?

A
  • GEN 1 Line Contactor opens and the white OFF light illuminates
  • AC BUS 1 is powered by GEN 2 through the BUS TIE CONTACTOR
  • GEN 1 continues to power 1 fuel pump in each wing tank
  • During smoke procedures

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Q9 | EMERGENCY ELECTRICAL PANEL

When is the GEN1 Line pushbutton used?

A

During smoke procedures

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Q10 | ELECTRIC PANEL

When performing the PRELIMINARY COCKPIT PREPARATION, what is the minimum Battery Voltage?

A

25.5 Volts

[ FCOM-PRO-NOR-SOP-04 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Q11 | ELECTRIC PANEL

What do you do if it is below 25.5V?

A
  • Select BATT pushbuttons to ON with EXT PWR on aircraft
  • This starts the charging cycle (approximately
    20min required)

[ FCOM-PRO-NOR-SOP-04 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Q12 | ELECTRIC PANEL

When performing the COCKPIT PREPARATION, what are we looking for on the ELEC panel BAT check?

A
  • ECAM ELEC page – select
  • BAT 1 & 2 – OFF then ON
  • Check BATT current is < 60 amps after 10 seconds and continues to decrease

[ FCOM-PRO-NOR-SOP-06 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Q13 | ELECTRIC PANEL

Will the batteries completely drain if you leave the BAT switches in AUTO after AC power is removed on the ground?

A

No

Battery cut-off logic prevents complete discharge when the aircraft is on the ground and unpowered – 22VDC

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Q14 | ELECTRIC PANEL

How is the BATTERY BUS normally powered?

A

DC BUS 1 through a DC bus tie contactor

[ FCOM-DSC-24-10-30-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Q15 | ELECTRIC PANEL

What does the amber FAULT light in the GALLEY pushbutton indicate?

A

At least 1 generator load is above 100% rated output

[ FCOM-DSC-24-20 ]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Q16 | ELECTRIC PANEL

How does the GALLEY pushbutton work in AUTO?

[ FCOM-DSC-24-20 ]

A

Sheds main galley and in-seat power supply if:
* Only 1 generator (APU or Engine) is available in FLIGHT, or
* Only 1 ENGINE generator is available on the GROUND (All galleys are available when APU GEN or EXT PWR is supplying power)

[ FCOM-DSC-24-20 ]

17
Q

Q17 | ELECTRIC PANEL

What does a FAULT on the ENG GEN pushbutton indicate?

[ FCOM-DSC-24-20 ]

A

The generator line contactor is open because of a fault detected by the Generator Control Unit (GCU) which could include:
* Overload
* Over/under voltage
* Differential fault (short), and/or;
* The generator line contactor is open

[ FCOM-DSC-24-20 ]

18
Q

Q18 | ELECTRIC PANEL

What does the APU GEN FAULT light indicate?

[ FCOM-DSC-24-20 ]

A

The generator line contactor is open because of a fault detected by the GCU

[ FCOM-DSC-24-20 ]

19
Q

Q19 | ELECTRIC PANEL

When is the APU GEN FAULT light inhibited?

[ FCOM-DSC-24-20 ]

A
  • APU speed too low
  • Line contactor OPEN after EXT PWR or ENG GEN takes over

[ FCOM-DSC-24-20 ]

20
Q

Q20 | ELECTRIC PANEL

What is the function of the BUS TIE in the AUTO position?

A
  • Allows the BUS TIE CONTACTORS to open and close automatically to maintain power to both AC BUS 1 & 2:
  • Allows a single source to power the entire system
  • Allows connection of the APU GEN or EXT PWR to the system
  • Inhibits multiple sources to connect simultaneously

[ FCOM-DSC-24-20 ]

21
Q

Q21 | ELECTRIC PANEL

What does an IDG FAULT light indicate?

[ FCOM-DSC-24-20 ]

A
  • Oil pressure low (inhibited when N2 < 14%)
  • Oil outlet temperature overheat
  • Light is inhibited when IDG is disconnected

[ FCOM-DSC-24-20 ]

22
Q

Q22 | ELECTRIC PANEL

What precautions must you take when disconnecting an IDG?

A
  • Do not disconnect when the engine is not operating or windmilling
  • Do not hold button longer than 3 seconds

[ FCOM-DSC-24-20 ]

23
Q

Q23 | ELECTRIC PANEL

How can an IDG be reset?

A

On the ground by maintenance

[ FCOM-DSC-24-20 ]

24
Q

Q24 | ELECTRIC PANEL

What is the function of the AC ESS FEED pushbutton in the normal position?

A

Allows AC BUS 1 to power the AC ESS BUS

[ FCOM-DSC-24-20 ]

25
Q

Q25 | ELECTRIC PANEL

How is AC ESS FEED transferred from AC BUS 1 to AC BUS 2?

A
  • Manually by selecting ALTN on the AC ESS FEED pushbutton
  • Automatically if AC BUS 1 is lost and the switch is in the normal position

[ FCOM-DSC-24-20 ]

26
Q

Q26 | ELECTRIC PANEL

What does the AC ESS FEED pushbutton white ALTN light indicate?

A

AC BUS 2 is powering the AC ESS BUS

[ FCOM-DSC-24-20 ]

27
Q

Q27 | ELECTRIC PANEL

What is the purpose of the static inverter?

A

To provide AC power to the AC ESS bus from the battery when the EMG GEN is not online in the Emergency Electrical Configuration

[ FCOM-DSC-24-10-20 ]

28
Q

Q28 | ELECTRIC PANEL

What are the 3 times the batteries are connected to the BATTERY BUS?

A
  • APU start
  • Battery charging
  • AC BUS 1 & 2 not powered and airspeed below 100 knots

[ FCOM-DSC-24-10-30-20, FCOM-DSC-24-10-30-30, FCOM-DSC-49-10-40 ]

29
Q

Q29 | ELECTRIC PANEL

What is the priority sequence for electrical power (OOIO! Sewers & Caves)?

A

O - Onside - Engine Generator
O - Outside - EXT PWR (manually selected)
I - Inside - APU Generator
O - Offside - Engine Generator
Sewers (Rats) - RAT Emergency Generator
Caves (Bats) - Batteries

[ FCOM-DSC-24-20-10-30-10, FCOM DSC-24-10-30-30 ]

30
Q

Q30 | ELECTRIC PANEL

With the APU green AVAIL light ON and the EXT PWR blue ON light illuminated, which system is powering the aircraft?

A

EXT PWR

[ FCOM-DSC-24-20 ]

31
Q

Q31 | ELECTRIC PANEL

What is the significance of the green and red collared circuit breakers on the flight deck?

A
  • Green – Monitored by ECAM
  • Red – Wing tip brake C/B
  • Black – Not monitored by ECAM

[ FCOM-DSC 24-10-20 ]

Allegiant A320 Systems (2024) (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions