Electrical System Flashcards
The amount of electricity that passes through a wire is measured in?
Amperes (Amps), electric current
What component has a conductor that melts at a relatively low temperature when excessive amps flow through it?
Current limiter
What device converts mechanical energy into electrical energy?
Generator/Alternator
What powers the auxiliary AC electrical system?
APU generator
Where is the #2 junction box located?
Inside the upper right hand cabin above the crewchief / gunner seats
What provides electrical power from aircraft startup and secondary or EMER DC power?
The Battery
How many independent generating systems provide primary AC power?
Two
What is the reserve capacity of the SLAB if it is at an 80% charge?
38 minutes day / 24 minutes night
What GCUs function is disabled in flight by the WOW switch?
Under frequency
What is the first priority of power in the AC electrical system?
Main Generators
All sources of AC power except the No. 1 Gen supplies power to what bus?
No. 2 AC primary
What is the third priority of power in the AC electrical system?
External power
What bus is powered by the No. 2 Converter
No. 2 DC primary bus
What DC busses are not powered by the battery?
DC Primary Busses
What bus is powered simply by plugging in the battery?
Battery Utility Bus (BUB)
