Electrical

Question 1

What is the max KVA for the generators?

Answer 1

IDG/APU 90kva
EMER 5kva

Question 2

If BATs left on overnight will they discharge?

Answer 2

No

Question 3

What supplies AC ESS BUS when AC Buss 1 fails?

Answer 3

AC BUS 2 and ESS TR for DC

Question 4

How can you disconnect an IDG and when?

Answer 4

Guarded pb switch (max 3 seconds)
Only if engine running or windmilling

Question 5

If TR 1 fails what supplies the DC ESS BUS?

Answer 5

ESS TR

Question 6

What HYD system drives the emergency generator

Answer 6

Blue

Question 7

What causes auto RAT extension?

Answer 7

Loss of AC BUS 1 and 2

Question 8

Which busses are supplied by the EMER GEN?

Answer 8

AC ESS BUS and DC ESS BUS via ESS TR

Question 9

Which busses get power when the aircraft is powered by battery power only in flight?

Answer 9

HOT BAT BUS 1 and 2
AC ESS BUS
DC ESS BUS

Question 10

On battery power only, can the APU be started in flight?

Answer 10

Yes max FL250

Question 11

What colours of CBs ate installed?

Answer 11

Green (monitored)
Black (not monitored)