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Spirit Airbus A320 Training > Electrical System > Flashcards

Flashcards in Electrical System Deck (16):
1

How many Generators are on the aircraft?

- 4 total
- 2 engine
- 1 APU
- 1 Rat air driven Emergence Generator

2

If only one Gen inflight what will you loose?

- Galley power will be shed. (not the case on the ground)

3

How many AC busses?

- 2 AC Busses

4

RAT powers?

- AC ESS BUS
- AC ESS SHED
- ESS TR - DC power
- DC ESS SHED
Battery 1+2 powers HOT BUS 1 / 2

5

BCL battery charging limiter?

- Monoters battery charging

6

How man TRU's in aircraft?

- 2 TRU's (transformer rectifier units)

7

What are the 3 types of circuit breakers?

- Green (monitored)
- Black (not monitored)
- Green/Red (prevents crew from pulling)

8

Order of power?

- G generators engine driven
- E external power (only if selected)
- A APU generator
- R Ram air turbine (emergency generator)
- B Batteries

9

Each generator?

- 90 KVA
- 115-200 Volts
- 400 HZ
- 3 Phase

10

Rat generator?

- 5 KVA
- 115-200 Volts
- 400 HZ
- 3 phase

11

How long does it take the RAT to come online?

- 8 second

12

Battery APU start limit?

- 3 minutes if operating on EMER GEN

13

IDG cooled?

- Cooled by fuel, then returns to the tank

14

RAT also powers?

- HYD pump
- HYD motor
- EMER GEN

15

Min RAT speed?

- 140 knots

16

When will the EMER GEN not be powering?

- 100 knots
- PFD and E/WD will remain powered until 50 knots