Electrical Flashcards
1
Q
EPCU
A
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
2
Q
PCDU
A
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
3
Q
AC Tie Bus Priority
A
APU / External / Right GEN / Left GEN
4
Q
What Buses powered with battery switch on (only)
A
DC transfer Bus, Battery Direct Bus
5
Q
IDG
A
Integrated Drive Generator
115V, 400 Hertz, 3 Phase system
35KvA on Ground, 40 KVA in Air
