Electrical

Question 1

EPCU

Answer 1

Electrical Power Control Unit

1) Automatic Power Transfer
2) No Break Power Transfer
3) Automatic Emergency Power Activation
4) External Power Protection
5) Galley Load Shedding

Question 2

PCDU

Answer 2

Power Conversion and Distribution Unit

1) Generator Control Unit
2) Transformer Rectifier
3) Generator Relay
4) Bus Tie Relay or Main PWR relay
5) DC Tie Relay
6) Various protective circuit Breakers

Question 3

AC Tie Bus Priority

Answer 3

APU / External / Right GEN / Left GEN

Question 4

What Buses powered with battery switch on (only)

Answer 4

DC transfer Bus, Battery Direct Bus

Question 5

IDG

Answer 5

Integrated Drive Generator
115V, 400 Hertz, 3 Phase system
35KvA on Ground, 40 KVA in Air