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A-330 Learning Objectives Document September 22, 2021 > CH08 A330 ELEC > Flashcards

CH08 A330 ELEC Flashcards

1
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.
1. BAT Select Switch
Selects the battery to display in the battery voltage ________ display.
V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.
1. BAT Select Switch
Selects the battery to display in the battery voltage LCD display.
V2 24.3.2

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2
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.
2. Battery Voltage LCD Display

  • Displays ________ of the battery selected with the ______ ______ switch.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.
2. Battery Voltage LCD Display

  • Displays voltage of the battery selected with the BAT select switch.

V2 24.3.2

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3
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.
3. BAT 1/2 pbs
Controls the operation of the respective ______ ______ ______ (________).

  • On (lights out) - The BCL controls the connection of the battery to the ________ BAT bus.
    • During ground operations, batteries are automatically ________ when battery voltage drops below [________] V.
  • OFF - The BCL is not ________ and the battery is not ________ to the __ ___ bus (except in- flight in the ______ _____ configuration).
    • OFF illuminates ________ if the ___ ____ BUS is powered (power source for the light).
  • • FAULT - Illuminates amber when the charging current for the corresponding battery is ____ __ _____.
    • The battery contactor ________ automatically.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.
3. BAT 1/2 pbs
Controls the operation of the respective Battery Charge Limiter (BCL).

  • On (lights out) - The BCL controls the connection of the battery to the DC BAT bus.
    • During ground operations, batteries are automatically disconnected when battery voltage drops below [23] V.
  • OFF - The BCL is not operating and the battery is not connected to the DC ESS bus (except in- flight in the emergency electrical configuration).
    • OFF illuminates white if the DC BAT BUS is powered (power source for the light).
  • • FAULT - Illuminates amber when the charging current for the corresponding battery is out of limits.
    • The battery contactor opens automatically.

V2 24.3.2

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4
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.
4. APU BAT pb

  • Controls the operation of the APU ________.
    • On (lights out) - The APU ________ controls the connection of the APU ________ to the _____ APU bus.
  • The battery is connected for ________ and when the APU______ ______ is initiated.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.
4. APU BAT pb

  • Controls the operation of the APU BCL.
    • On (lights out) - The APU BCL controls the connection of the APU battery to the DC APU bus.
  • The battery is connected for charging and when the APU start sequence is initiated.

V2 24.3.2

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5
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

5. AC ESS FEED pb

  • Normal (lights out) - The AC ESS bus is normally supplied by AC _____ _____.
    • When _AC BUS______ is lost, the AC ESS bus is automatically supplied by _AC BUS ______
  • ALTN - The AC ESS bus is supplied by _AC BUS ______.
  • FAULT - Illuminates amber if the _______ _____ bus is not supplied.

• Note: In case of loss of both main generators, AC ESS bus is supplied by the _____ _____ or the _____ _____.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

5. AC ESS FEED pb

  • Normal (lights out) - The AC ESS bus is normally supplied by AC BUS 1.
    • It is automatically supplied by AC BUS 2 when AC BUS 1 is lost.
  • ALTN - The AC ESS bus is supplied by AC BUS 2.
  • FAULT - Illuminates amber if the AC ESS bus is not supplied.

• Note: In case of loss of both main generators, AC ESS bus is supplied by the emergency generator or the static inverter.

V2 24.3.2

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6
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

6. GALLEY pb

  • AUTO - The galley busses are ________ powered.
    • One or more galleys are shed if a ________ fails or an ________ is detected.
  • OFF - All ________ are shed and the ______/______ drain mast protection is lost.
    • OFF then ________ will reset ________ lost due to overload protection.
  • FAULT - Illuminates amber if an ________ is detected and ________ did not occur.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

6. GALLEY pb

  • AUTO - The galley busses are normally powered.
    • One or more galleys are shed if a generator fails or an overload is detected.
  • OFF - All galleys are shed and the water/waste drain mast protection is lost.
    • OFF then AUTO will reset galleys lost due to overload protection.
  • FAULT - Illuminates amber if an overload is detected and shedding did not occur.

V2 24.3.2

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7
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

7. COMMERCIAL pb
OFF - COMMERCIAL OFF is displayed on the AC ELEC page and the following equipment is shed:

  • ________
  • In-flight ________ system
  • ________outlets
  • ________/______drain mast ice protection
  • ______ and ______ lights
  • Water ________
  • Escape slide ______ ___ protection
  • ______ ______ system

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

7. COMMERCIAL pb
OFF - COMMERCIAL OFF is displayed on the AC ELEC page and the following equipment is shed:

  • Galleys
  • In-flight entertainment system
  • Electrical outlets
  • Water/waste drain mast ice protection
  • Cabin and lavatory lights
  • Water heaters
  • Escape slide lock ice protection
  • Cargo loading system

V2 24.3.2

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8
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

8. IDG 1/2 pb

  • OFF - Disconnects the ________ from its drive shaft. It can only be reconnected by ________ personnel on the ground.
  • FAULT - Illuminates amber for:
    • IDG oil outlet ________ too high
    • IDG oil ________ too low
    • The fault light extinguishes when the ________ is disconnected

Note: Press the IDG pb until the ______ ______ light comes on but not for more than ________ seconds.
V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

8. IDG 1/2 pb

  • OFF - Disconnects the IDG from its drive shaft. It can only be reconnected by maintenance personnel on the ground.
  • FAULT - Illuminates amber for:
    • IDG oil outlet temperature too high
    • IDG oil pressure too low
    • The fault light extinguishes when the IDG is disconnected

Note: Press the IDG pb until the GEN FAULT light comes on but not for more than 3 seconds.
V2 24.3.2

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9
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

9. GEN 1/2 pb

  • On (lights out) - The engine driven generators ________ come on line whenever their ________ parameters are within limits.
  • FAULT - The pb is ________ and the generator is ______ being driven (e.g., the ________ preflight position).
  • OFF/R - The generator field is ________, the line contactor is ________, and the ________ circuit is reset.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

9. GEN 1/2 pb

  • On (lights out) - The engine driven generators automatically come on line whenever their electrical parameters are within limits.
  • FAULT - The pb is on and the generator is not being driven (e.g., the normal preflight position).
  • OFF/R - The generator field is de-energized, the line contactor is opened, and the fault circuit is reset.

V2 24.3.2

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10
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

10. APU GEN pb

  • On (lights out) - The APU generator automatically comes __ ____ whenever the electrical parameters are within ________ and a ______ ______ power source is not already __ ____.
  • FAULT - The pb is _____ and the generator is not being ________.
  • OFF/R - The generator field is ______, the line contactor is ________, and the ________ circuit is reset.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

10. APU GEN pb

  • On (lights out) - The APU generator automatically comes on line whenever the electrical parameters are within limits and a higher priority power source is not already on line.
  • FAULT - The pb is ON and the generator is not being driven.
  • OFF/R - The generator field is de-energized, the line contactor is opened, and the fault circuit is reset.

V2 24.3.2

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11
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

11. BUS TIE pb

  • AUTO - The _____ _____ ___ bus contactors ______ or _____ automatically according to the ________ logic, in order to maintain power to all ________ busses.
  • OFF - The ______ ______ ____ bus contactors are opened

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

11. BUS TIE pb

  • AUTO - The three cross tie bus contactors open or close automatically according to the priority logic, in order to maintain power to all AC busses.
  • OFF - The three cross tie bus contactors are opened

V2 24.3.2

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12
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

12. EXT B pb

  • AVAIL - External power is ________ and within ________ tolerances, but ___ ______.
    • When pressed, AVAIL extinguishes and ________ illuminates.
  • AUTO - Closes the ______ ___ contactor if the APU is not available.
    • The AUTO light illuminates even if EXT B is not powering any _____ busses
      • (i.e. the ______ is supplying power to the AC system.)

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

12. EXT B pb

  • AVAIL - External power is available and within normal tolerances, but not selected.
    • When pressed, AVAIL extinguishes and AUTO illuminates.
  • AUTO - Closes the external B contactor if the APU is not available.
    • The AUTO light illuminates even if EXT B is not powering any AC busses
      • (i.e. the APU is supplying power to the AC system.)

V2 24.3.2

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13
Q

ELEC_01
Understand the control functions and indications on the ELEC Panel.

13. EXT A pb

  • AVAIL - External power is ________ and within normal tolerances, but ____ ______.
    • When pressed, AVAIL extinguishes and _____ illuminates.
  • ON - Closes the ______ ___ contactor.

V2 24.3.2

A

ELEC_01
Understand the control functions and indications on the ELEC Panel.

13. EXT A pb

  • AVAIL - External power is available and within normal tolerances, but not selected.
    • When pressed, AVAIL extinguishes and ON illuminates.
  • ON - Closes the external A contactor.

V2 24.3.2

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14
Q

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

1. EMER GEN TEST pb

  • Pressed and held - The emergency generator runs (provided the ________ hydraulic system is pressurized), and supplies the __ ______ bus and __ ______ bus.

V2 24.3.1

A

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

1. EMER GEN TEST pb

  • Pressed and held - The emergency generator runs (provided the GREEN hydraulic system is pressurized), and supplies the DC ESS bus and AC ESS bus. “…supplies AC and DC ESS bus”

V2 24.3.1

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15
Q

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

2. LAND RECOVERY pb

  • ON - When pressed in the ________ electrical configuration the ___ and ___ LAND RECOVERY busses are ________ while ________ other non-essential equipment

V2 24.3.1

A

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

2. LAND RECOVERY pb

  • ON - When pressed in the emergency electrical configuration the AC and DC LAND RECOVERY busses are recovered while shedding other non-essential equipment

V2 24.3.1

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16
Q

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

3. EMER GEN FAULT Light

  • FAULT - Illuminated if ________ AC power is lost in flight and the ______ ______ is not supplying power.

V2 24.3.1

A

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

3. EMER GEN FAULT Light

  • FAULT - Illuminated if normal AC power is lost in flight and the emergency generator is not supplying power.

V2 24.3.1

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17
Q

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

4. MAN ON pb

  • AUTO - The emergency generator is automatically started in case of loss of ______ __ power __ ______.
  • Pushed - The emergency generator runs and supplies the __ and __ ______ busses.

V2 24.3.1

A

ELEC_02
Understand the control functions and indications on the EMER ELEC PWR Panel.

4. MAN ON pb

  • AUTO - The emergency generator is automatically started in case of loss of normal AC power in flight.
  • Pushed - The emergency generator runs and supplies the AC and DC essential busses.

V2 24.3.1

18
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

1. TR Indication Arrow
Normally ________. Becomes amber if the _____ fails or current is ________.

2. AC Bus Bars
The bus label is ________ when the bus is powered, and ________ when the bus is not powered.

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

1. TR Indication Arrow
Normally white. Becomes amber if the TR fails or current is abnormal.

2. AC Bus Bars
The bus label is green when the bus is powered, and amber when the bus is not powered.

V2 24.3.3.1

19
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

3. Engine Generator Indications

  • GEN - Normally ________. Becomes amber if the generator ________, is selected _______,_ or the associated engine is ______ ______.
  • GEN Number (1/2) - ________ if the associated engine is running, ________ if it is not.
  • Load (%) - Normally ________.
    • Becomes amber if the load is greater than ________value for more than ____ seconds.
  • GEN Voltage (V) - Normally ________
    • Becomes amber if ______ or ______ a predetermined value.
  • Frequency (HZ) - Normally ________.
    • Becomes amber if ______ or ______ a predetermined value.

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

3. Engine Generator Indications

  • GEN - Normally white. Becomes amber if the generator fails, is selected OFF, or the associated engine is not running.
  • GEN Number (1/2) - White if the associated engine is running, amber if it is not.
  • Load (%) - Normally green.
    • Becomes amber if the load is greater than predetermined value for more than 10 seconds.
  • GEN Voltage (V) - Normally green.
    • Becomes amber if above or below a predetermined value.
  • Frequency (HZ) - Normally green.
    • Becomes amber if above or below a predetermined value.

V2 24.3.3.1

20
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

4. IDG Indications
• IDG - Normally ________. Becomes amber if:

  • Oil outlet ________ is high.
  • Oil ________ is low.
  • IDG is ________.
  • IDG Number (1/2) - ________ if the associated engine is running, amber if it is not.
    • Numbers also white if the respective ________ is not powered.
  • Oil Outlet Temperature - Normally ________.
    • Becomes amber if the temperature is too _______._
  • LO PR (amber) - ________ oil pressure in the IDG.
    • Inhibited with ________less than a predetermined value.
  • DISC (amber) - IDG has been _______._

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

4. IDG Indications
• IDG - Normally white. Becomes amber if:

  • Oil outlet temperature is high.
  • Oil pressure is low.
  • IDG is disconnected.
  • IDG Number (1/2) - White if the associated engine is running, amber if it is not.
    • Numbers also white if the respective FADEC is not powered.
  • Oil Outlet Temperature - Normally green.
    • Becomes amber if the temperature is too high.
  • LO PR (amber) - Low oil pressure in the IDG.
    • Inhibited with N2 less than a predetermined value.
  • DISC (amber) - IDG has been disconnected.

V2 24.3.3.1

21
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

5. Shedding Indications
Indicates the current shed equipment in the following priority order:

  • ________ OFF
  • ________ SHED
  • ________ PARTIALLY SHED

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

5. Shedding Indications
Indicates the current shed equipment in the following priority order:

  • COMMERCIAL OFF
  • GALLEY SHED
  • GALLEY PARTIALLY SHED

V2 24.3.3.1

22
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

6. APU Generator

  • APU arrow indication – ________ when APU is supplying one or more ______ busses,
  • APU arrow indication ________ when NOT supplying one or more AC Busses
  • APU label, load, voltage, and frequency indications - Same as ______ ______ generators

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

6. APU Generator

  • APU arrow indication – Green when APU is supplying one or more AC busses
  • APU arrow indication WHITE when NOT supplying one or more AC Busses
  • APU label, load, voltage, and frequency indications - Same as engine driven generators

V2 24.3.3.1

23
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

7. External Power A/B

  • EXT B and EXT A indications are only ______ __ ___ ______.
  • EXT (A/B) arrow indications - ________ when supplying one or more AC busses, ________ otherwise.
  • EXT (A/B) load, voltage, and frequency indications - ______ __ ______ ______ generators.

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

7. External Power A/B

  • EXT B and EXT A indications are only displayed on the ground.
  • EXT (A/B) arrow indications - Green when supplying one or more AC busses, white otherwise.
  • EXT (A/B) load, voltage, and frequency indications - Same as engine driven generators.

V2 24.3.3.1

24
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

8. Emergency Generator

  • EMER GEN Label - Normally ________
    • Becomes amber if the ______ ______.
  • Arrow indication - Green when the ______ ______ contactor is closed,
  • ________ when the_______ ______ contactor is OPEN.
  • EMER GEN ______ and ______ indications - Same as engine driven generators

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

8. Emergency Generator

  • EMER GEN Label - Normally white.
    • Becomes amber if the generator fails.
  • Arrow indication - Green when the EMER GEN contactor is closed, white when the EMERG GEN contactor is OPEN
  • EMER GEN voltage and frequency indications - Same as engine driven generators

V2 24.3.3.1

25
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

9. SHED Indication

  • SHED (amber) - Indication appears when an ___ ____ ______ bus is not powered.

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

9. SHED Indication

  • SHED (amber) - Indication appears when AC ESS SHED bus is not powered.

V2 24.3.3.1

26
Q

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

10. LND RCVRY Indication

  • LND RCVRY (green) - Indication appears when the ______ ______ pb is pushed.

11. Static Inverter
Same display logic as ______ ______.

V2 24.3.3.1

A

ELEC_03
Discuss normal and abnormal indications on the ECAM AC ELEC page.

10. LND RCVRY Indication

  • LND RCVRY (green) - Indication appears when the LAND RECOVERY pb is pushed.

11. Static Inverter
Same display logic as Emergency Generator.

V2 24.3.3.1

27
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

1. Batteries

  • BAT (1/2/APU) label - Normally ________.
    • Becomes amber if the battery is ________.
  • Voltage (V) - Normally ________.
    • Becomes amber if voltage is _____ or ______ a predetermined value.
  • Current (A) - Indicates ______ or ______ of battery in amps. Normally ________.
    • Becomes amber with a ________ of more than a predetermined value.
  • Arrow indications - Indicates ________ of current flow.
    • Charging flow is displayed in ________
    • Discharging flow is displayed in ________.
    • No ________ indicates battery ________ open (the usual __- ______ configuration).

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

1. Batteries

  • BAT (1/2/APU) label - Normally white.
    • Becomes amber if the battery is faulted.
  • Voltage (V) - Normally green.
    • Becomes amber if voltage is above or below a predetermined value.
  • Current (A) - Indicates charge or discharge of battery in amps. Normally green.
    • Becomes amber with a discharge of more than a predetermined value.
  • Arrow indications - Indicates direction of current flow.
    • Charging flow is displayed in green.
    • Discharging flow is displayed in amber.
    • No arrow indicates battery contactor open (the usual in- flight configuration).

V2 24.3.4.1

28
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

2. DC Bus Bars

  • The bus label is ________ when the bus is powered and ________ when the bus is not powered.

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

2. DC Bus Bars

  • The bus label is green when the bus is powered and amber when the bus is not powered.

V2 24.3.4.1

29
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

3. TR

  • TR (1/2/APU/ ESS) - Normally ________.
    • Becomes amber when the ________ value is ________or a _____ fault occurs (______, ______, ______ ______).
  • Voltage - Displays the ____ voltage delivered by the ____. Normally ________.
    • Becomes amber if voltage is ______ or ______ a predetermined value.
  • Current (A) - Displays the ______ ______ in amps on the respective TR by the ____ system.
    • Normally displayed in ________, becomes amber if ________ value is less a predetermined value].

A rectifier is a device that converts an oscillating two-directional alternating current (AC) into a single-directional direct current (DC).

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

3. TR

  • TR (1/2/APU/ ESS) - Normally white.
    • Becomes amber when the current value is abnormal or a TR fault occurs (overheat, current, short circuit).
  • Voltage - Displays the DC voltage delivered by the TR. Normally green.
    • Becomes amber if voltage is above or below a predetermined value.
  • Current (A) - Displays the current draw in amps on the respective TR by the DC system.
    • Normally displayed in green, becomes amber if amps value is less a predetermined value].

A rectifier is a device that converts an oscillating two-directional alternating current (AC) into a single-directional direct current (DC).

V2 24.3.4.1

30
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

4. TR Power Supply

  • For each TR the ____ ____ powering the TR is displayed.
    • Normally displayed in ________.
      • Becomes amber if the source ___ __ is not powered.
  • ESS TR indications - The essential TR may be supplied by __ __, __ __, or the ________ generator
    • AC1 - AC 1 bus is supplying the ____ ____
    • AC 2 - AC 2 bus is supplying the ____ ____
    • EMER GEN - The emergency generator is supplying the ____ ____.
      • Becomes amber if the emergency generator is connected to the TR but is ________.
    • XX (amber) - ____ ____ not powered or ________ not available.

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

4. TR Power Supply

  • For each TR the AC bus powering the TR is displayed.
    • Normally displayed in white.
      • Becomes amber if the source AC bus is not powered.
  • ESS TR indications - The essential TR may be supplied by AC 1, AC 2, or the emergency generator
    • AC1 - AC 1 bus is supplying the ESS TR
    • AC 2 - AC 2 bus is supplying the ESS TR
    • EMER GEN - The emergency generator is supplying the ESS TR.
      • Becomes amber if the emergency generator is connected to the TR but is faulty.
    • XX (amber) - ESS TR not powered or information not available.

V2 24.3.4.1

31
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

5. DC BAT Bus / Battery Connection

  • Arrow indications - Indicates ________ of current flow.
  • Charging flow is displayed in ________.
  • Discharging flow is displayed in ________.
  • No arrow indicates battery ________ open (the usual in-flight configuration).

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

5. DC BAT Bus / Battery Connection

  • Arrow indications - Indicates direction of current flow.
  • Charging flow is displayed in green.
  • Discharging flow is displayed in amber.
  • No arrow indicates battery contactor open (the usual in-flight configuration).

V2 24.3.4.1

32
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

6. DC ESS Bus / Battery Connection

  • Amber arrow appears when battery contactor is _________ (battery is supplying ____ ____ bus).

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

6. DC ESS Bus / Battery Connection

  • Amber arrow appears when battery contactor is closed (battery is supplying DC ESS bus).

V2 24.3.4.1

33
Q

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

7. Static Inverter

  • STAT INV label - Normally ________. Becomes __________ when faulty.

V2 24.3.4.1

A

ELEC_04
Discuss normal and abnormal indications on the ECAM DC ELEC page.

7. Static Inverter

  • STAT INV label - Normally white. Becomes amber when faulty.

V2 24.3.4.1

34
Q

ELEC_05
Discuss the meaning of the ECAM memos as they relate to electrical system.

EMER GEN

  • Displayed in _______when the emergency generator is running.

ELEC EXT PWR

  • Displayed in _______ if external power is available. Becomes amber if _____ _____ are running.

VOL. II, 24.3.7

A

ELEC_05
Discuss the meaning of the ECAM memos as they relate to electrical system.

EMER GEN

  • Displayed in green when the emergency generator is running.

ELEC EXT PWR

  • Displayed in green if external power is available. Becomes amber if both engines are running.

VOL. II, 24.3.7

35
Q

ELEC_08
Recall the priority logic used by the ECMUs to establish the appropriate power source to each of the AC buses.
AC BUS Power Supply Priority:

PRIORITY AC 1 BUS AC 2 BUS

1ST ___________ __________

2ND ___________ __________

3RD ___________ __________

4TH ___________ __________

5TH ___________ __________

​Two Electrical Contact Management Units (ECMUs) monitor the status of the entire electrical system

V2 24.2.2.2

A

ELEC_08
Recall the priority logic used by the ECMUs to establish the appropriate power source to each of the AC buses.
AC BUS Power Supply Priority:

PRIORITY AC 1 BUS AC 2 BUS

1ST ENG 1 GEN ENG 2 GEN

2ND APU EXT A

3RD EXT B APU

4TH EXT A EXT B

5TH ENG 2 GEN ENG 1 GEN

Two Electrical Contact Management Units (ECMUs) monitor the status of the entire electrical system

V2 24.2.2.2

36
Q

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

  • If both the AC 1 and AC 2 busses are lost, the ______ ______ automatically activates.
    • The ________ generator is driven by the ________ hydraulic system.

V2 24.2.9.2

A

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

  • If both the AC 1 and AC 2 busses are lost, the emergency generator automatically activates.
    • The emergency generator is driven by the green hydraulic system.

V2 24.2.9.2

37
Q

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

  • If both engines have also failed, the ________ extends automatically and powers the ________ hydraulic system.
  • The emergency generator supplies the ____ ____ bus and the ____ ____.
  • The ____ ____ supplies the DC ESS bus.
  • If the green hydraulic system is powered by the RAT the ____ ____ SHED and ____ ____ SHED busses are not powered due to limited ________ capacity.
  • This is displayed on the ELEC AC and DC system pages by the amber ________ indications.

V2 24.2.9.2

A

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

  • If both engines have also failed, the RAT extends automatically and powers the green hydraulic system.
  • The emergency generator supplies the AC ESS bus and the ESS TR.
  • The ESS TR supplies the DC ESS bus.
  • If the green hydraulic system is powered by the RAT the AC ESS SHED and DC ESS SHED busses are not powered due to limited RAT capacity.
  • This is displayed on the ELEC AC and DC system pages by the amber SHED indications.

V2 24.2.9.2

38
Q

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

Once the emergency generator is activated, it continues to power the:

  • __ __ Bus
  • and ___ ___ Bus even if generators are ________ until either:
    • ________ are extended in flight (if only the ________ is powering the ________ hydraulic system), at which point power switches to ________ only.
    • On the ground with ________ ________ shut down

V2 24.2.9.2

A

ELEC_9
Discuss the Emergency Generator operation during the loss normal AC power.

Once the emergency generator is activated, it continues to power the:

  • AC ESS
  • and DC ESS even if generators are restored until either:
    • Slats are extended in flight (if only the RAT is powering the green hydraulic system), at which point power switches to batteries only.
    • On the ground with both engine(s) shut down

V2 24.2.9.2

39
Q

ELEC_10
Discuss the indications and effects of a single generator fault in-flight.

  • With the loss of one generator in flight, the remaining generator ________ supplies AC 1 and AC 2 busses through the ______ ____ bus.
  • Automatic load shedding takes some ________ busses off line.
  • The ________ cannot be restored in flight until a ________ generator comes on line.
  • ______ __________ SHED displays at the base of the display to indicate the shedding of some ________ busses.

VOL. II, 24.2.8.3

A

ELEC_10
Discuss the indications and effects of a single generator fault in-flight.

  • With the loss of one generator in flight, the remaining generator automatically supplies AC 1 and AC 2 busses through the CROSS TIE bus.
  • Automatic load shedding takes some galleys busses off line.
  • The galleys cannot be restored in flight until a second generator comes on line.
  • GALLEY PARTIALLY SHED displays at the base of the display to indicate the shedding of some galley busses.

VOL. II, 24.2.8.3

40
Q

ELEC_11
Understand how the crew will recognize a C/B trip.

  • Most circuit breakers are located in the ______ ____________.
  • A circuit breaker ____________ ______ monitors the status of all circuit breakers in the ________ compartment and displays the information to the ______ ______ page.
  • If no circuit breakers are tripped, the C/B page displays ________.
  • If one or more circuit breakers are tripped, the C/B page displays the circuit breaker’s ______ and ______in ________ and a functional ______ ______ for maintenance purposes in ________

VOL. II, 24.2.6

A

ELEC_11
Understand how the crew will recognize a C/B trip.

  • Most circuit breakers are located in the avionics compartment.
  • A circuit breaker monitoring unit monitors the status of all circuit breakers in the avionics compartment and displays the information to the ECAM C/B page.
  • If no circuit breakers are tripped, the C/B page displays NORMAL.
  • If one or more circuit breakers are tripped, the C/B page displays the circuit breaker’s name and location in white and a functional identification number for maintenance purposes in blue.

VOL. II, 24.2.6

41
Q

ELEC_12
Understand how to use the Main Generators Inop – Systems Remaining Chart.

  • The chart lists components powered in different ________ electrical configurations.
  • Any systems not listed are ____ ______ at any time during the ________ electrical configurations.

VOL. II, 24.2.9.5

A

ELEC_12
Understand how to use the Main Generators Inop – Systems Remaining Chart.

  • The chart lists components powered in different emergency electrical configurations.
  • Any systems not listed are not powered at any time during the emergency electrical configurations.

VOL. II, 24.2.9.5

A-330 Learning Objectives Document September 22, 2021 (16 decks)

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