AQC VIII: Electrical Flashcards
1
Q
What are the 5 modes of operation for the electrical system? 1 2 3 4 5
A
- Normal-2gen, NR>88%
- Stby-1gen
- Emergency- 0gen//batteries only
- Stby Gen- APU Gen (30min max)
- External power-(AC or DC)
2
Q
In standby operations mode what system will not work?
A
Main and Tail Rotor de-ice will not work
3
Q
In Emergency Operations how long should the batteries supply power?
A
6-7min
4
Q
How much power do the Generators produce?
A
40KVA (Voltage regulators maintain output at 200 +/- 4 VAC)
5
Q
Where on the aircraft are the rectifiers physically located?
A
forward fuselage behind co-pilot
6
Q
When the while lights will not functions what is the first item to check?
A
Check if left cabin door is open (microswitch)
7
Q
What does the EQUIP TEST switch do?
A
Connect the Stby Gen to the T/R Bus
8
Q
How long can the APU in Stby Gen mode be run?
A
30min
9
Q
What do the T/R’s convert?
A
208VAC to 27VDC
10
Q
What is the AC voltage output of the generators and how is it regulated?
A
204 +/- 4 VAC
