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-x-A320 notes-x- > -x- Electrics -x- > Flashcards

-x- Electrics -x- Flashcards

1
Q

How many volts is the DC system?

A

28V

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2
Q

How many volts is the AC system?

A

115/200

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3
Q

How many hertz is the AC system?

A

400Hz

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4
Q

How many AC generators are there?

A

3 - GEN 1, GEN 2 and APU GEN

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5
Q

What KVA are the generators rated at?

A

90KVA

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6
Q

How many KVA is the emergency generator capable of providing?

A

5KVA

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7
Q

What does GCU stand for? What are they?

A

Generator Control Units. They are a combined IDG and generator

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8
Q

In normal operation, how is AC converted into DC?

A

Via the two transformer rectifiers

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9
Q

What are the two transformer rectifiers rated at?

A

200A

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10
Q

How many transformer rectifiers are there?

A

3 - they are TR1, TR2 and ESS TR. They are identical

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11
Q

What are the batteries permanently connected to?

A

The two DC hot buses

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12
Q

What does BCL stand for? What do they do?

A

Battery Charge Limiter. They automatically connect and disconnect the batteries to the DC BAT BUS

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13
Q

What colour CBs are monitored?

A

Green

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14
Q

What colour CBs are not monitored?

A

Black

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15
Q

Which CBs have red caps? Why?

A

`Wing tip brakes. To prevent crew resets

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16
Q

What happens if a monitored CB trips?

A

After 1 minute, ECAM stating ELEC C/B TRIPPED

17
Q

What happens if the CLR pb is used to clear a tripped C/B? What if that C/B is reset?

A

CBs on the same panel are ignored, unless the affected CB is reset, in which case they all become monitored again

18
Q

What happens to the CBs if the EMER CANC pb is used?

A

ALL CBs remain unmonitored for the remainder of the flight

19
Q

In normal operation with both engines running, where does AC ESS BUS get its power from?

A

AC BUS 1

20
Q

In normal operation with both engines running, where does DC ESS BUS get its power from?

A

DC BAT (not DC 1 as indicated on ECAM)

-x-A320 notes-x- (43 decks)

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