Systems Flashcards
Electrical
Starter/Generators
2, engine driven 28V DC, 330/390A
Electrical
Batteries
2 lead acid batteries
Min voltage for battery start is 24V
BATT1 - 24V DC, 34 Ah
— powers all avionics during engine start using
QSC (Quiet Start Contactor)
BATT2 - 24V DC, 42 Ah
— powers engine starts
Electrical
What is the max minutes of power during emergency electrical load shedding?
If successful…45 minutes.
If NOT successful, 7 - 10 minutes of electrical power is available
Electrical
GPU output required?
25V - 29V DC (27V min for battery charging)
— If the GPU provides less than 27V (BATT DISCH CAS), turn BATT1 and BATT2 OFF
— System will auto shed the GPU at 24.5V or less
Electrical
During ELEC EMER check on the ground, what is the minimum voltage?
23.5V