Electrical

Question 1

What does the A320 electrical power system consist of?

Answer 1

115/200 V, 400 Hz AC system
28 V DC system

Question 2

Where can power be sourced from on the A320

Answer 2

• Two engine driven generators
• APU generator
• Two Batteries
• Emergency generator driven by the RAT
• GPU

Question 3

In what priority are the AC BUS supplied?

Answer 3

• Respective engine driven
• External power
• APU generator
• opposing engine generator

Question 4

When the COMMERCIAL push button is pushed to off, what systems are de-powered?

Answer 4

• cabin and cargo lights
• water and toilet system
• drain mast ice protection
• passengers entertainment system

Question 5

What do green circuit breakers indicate?

Answer 5

• Monitored by flight warning computers
• Generates ECAM failure message after 10minutes of being tripped

Question 6

What do yellow/white circuit breakers indicate?

Answer 6

• Use as directed by QRH

Question 7

What do red collared circuit breakers indicate?

Answer 7

• Collars prevent Crew from manually pulling
• Associated with wing tip brakes
• Generates an ECAM failure message