Electrical System Flashcards
1
Q
What does a generator switch do?
A
1) Turns on and off the generator and
2) Resets the GCU
2
Q
What does the Bus Tie Isolation switch do?
A
Isolates the onside generator to its own AC Bus.
It’s a split electrical system and this switch keeps the system split.
3
Q
What is the purpose of the TRU switches?
A
When Left Main TRU Switchlight is pressed IN, Left Main TRU will be powered by the Right Main AC Bus and R AC caption will illuminate.
4
Q
What makes the GND SVC BUS light come on?
A
When the GND SVC BUS is being powered by something other than its main power source (the R MAIN DC BUS).
5
Q
When will a no break power transfer occur?
A
When there is an IDG in the power transfer and there is no failure.
6
Q
What is the logic of the AUX TRU?
A
Essential before main. Left before right.
