Electrical Flashcards
1
Q
Electrical system
A
Consist of 3-phase 115/200V 400Hz AC and 28V DC
- Electrical power system is constituted of 2 eng generators and 1 APU gen
- In case AC not available, electrical power system can invert DC power from the batteries into AC power
2
Q
Engine-Driven Generator
A
GEN 1-2 supply up to 90KvA of 3 phase 115/200V 400Hz
2 GCU: - controll the frequency and voltage of generator output
- protect the network by controlling the associated generator line contactor
3
Q
Static inverter
A
Transforms DC power from Battery 1 into 1 KvA of single phase 115V 400Hz AC, supplied to part of AC essential bus
4
Q
Transformer Rectifers
A
TR 1-2 supply aircraft’s electrical system, with up to 200 A of DC current