Electrical Flashcards
What type of electrical system is the plane equipped with
28V dc power generation and distribution system
When both generators are available, do they operate in split bus or parallel mode?
Split bus mode
What does the white AVAIL light mean?
GPU button is pushed out
GPU is plugged in
Voltage is set between 25-30Vdc
What button illuminates when GPU button is pushed in and GPU is providing power.
Green IN USE button
What color does the battery voltage indication show if it’s discharging?
Amber
GPU plugged in but no power on electrical synoptic page is shown by
A white GPU
Is the ram air turbine RAT always shown on the electric synoptic page?
No, only shows when deployed and powering plane
How do we manually deploy the RAT?
Right seat pilot pulls handle
What buses is the APU capable of providing power to on the ground/inflight
All electrical loads and battery charging (shed buses only on the GROUND)
What buses does the RAT power?
EMER bus 1,2,3 and charging batteries
Will the RAT auto deploy?
Yes, electrical emergency
Inflight what is an electrical emergency?
The two main gens, and APU gen are unavailable
How many main batteries are there?
2
Main batteries rating
24V dc 40Ah NiCad
CAS message when batteries are sole source of electrical power inflight? What bus is powered?
EMER buses and red BATT DISCHARGING CAS message
