Electrical Flashcards
What is the electrical system of the aircraft?
28 VDC
What provides electrical power for the aircraft?
Starter/generator
DDBA & DCPS
Batteries
Ground Power
How many electrical buses does the aircraft have?
Two 28 VDC busses (Bus 1 & 2)
What sources of power are connected to Bus 1?
Starter/generator
Batteries 1, 3, 5
Through the Battery Junction Module
What sources of power are connected to Bus 2?
DDBA & DCPS
Batteries 2, 4, 6
Through the battery junction box
When does the DDBA begin powering the aircraft?
Airspeed >50 KIAS for 2 minutes
How long should the six batteries be able to power the aircraft?
At least 60 minutes for core aircraft systems
Can batteries be charged in flight?
No, the batteries cannot be charged in flight
What is the primary function of the DCPS?
The DC Power Supply converts AC power from DDBA to DC power
What else does the DCPS power?
KuADT, KU antenna control, and Ku SATCOM backup power
