Electrical System

Question 1

System Voltage and Battery

Answer 1

28 Volt System

24 Volt Lead Acid Battery

Question 2

Starter/Generator

Answer 2

28.5 Volt 200/300 AMP

at 46% speed sensing switch reverts to Generator

Question 3

Generator Control Unit

Answer 3

Starter Cutoff at 46%
Voltage Regulation
Over Voltage Protection
Reverse Current Protection

Question 4

Standby Alternator

Answer 4

27.5 Volt 75 AMP Belt Driven

Question 5

Standby Control Unit

Answer 5

When voltage is reduced to 27.5 Volts standby alternator is engaged

Question 6

Can you reset GCU or Standby Control Unit Circuit Breakers?

Answer 6

No, a mechanic only!

Question 7

Electrical Buses

Answer 7

(7) Stanby Power, Power Distribution, Avionics 1 and 2, General 1 and 2, Battery (HOT)