Electrical Flashcards
1
Q
AC system
A
2 IDG APU Inverter RAT GPU
2
Q
DC system
A
2batteries
3 TRU’s
DC GPU
3
Q
How does IDG maintains a stable power output?
A
Constant speed drive attached to the accessory gear box
4
Q
What monitors the IDG’s
A
Generator control unit. GCU
5
Q
What is the primary purpose of AC generators?
A
Power AC bus 1, 2 and essential which powers 3 TRU’s
6
Q
What is the purpose of the inverter?
A
Converts 28 VDC from the batteries to 115 VAC to power the AC Standby bus
When AC power not available
7
Q
What is on the AC standby buss?
A
The A igniters
8
Q
What powers the RAT?
A
Airflow and the AC standby bus will have power in the 8 sec interval
9
Q
What manages electric system
A
4 ICC
2spada
Spada breakers can be reset in the MCDU
