Electrical Flashcards
1
Q
What provides DC power?
A
two rectifiers (primary) 28V one main battery and one APU battery (secondary)
2
Q
What engines are the IDGs mounted on?
A
1,2,3
3
Q
What is the purpose of the Generator Control Unit (GCU)
A
provides all control and protective circuits and provides interface between pilot controls and generator system
Control Functions
- Voltage regulation
- Current limiting
- Paralleling and auto paralleling control
- No break power transfer
- Generator Control Breaker and Bus Tie Breaker control
4
Q
The electrical system consists of three engine driven generators (IDG) that produce three phase ___________volt ____________Hz power
A
115/200 ; 400 (+-5)
