BOP ELECTRICAL Flashcards
(8 cards)
1
Q
What is the amp limit for the 1N high side breaker as measured on the 4kV meter side?
A
<70A.
2
Q
What happens if the 1J cross-tie breaker exceeds its limit?
A
It will trip on overload.
3
Q
What is the basis for the amp limit on the 1N high side breaker?
A
Cable protection.
4
Q
What happens to RCP motor currents when grid voltage lowers?
A
They rise towards the trip setpoint.
5
Q
What is the compensatory action for lowering grid voltage?
A
Raise generator MVAR output.
6
Q
Does the Load Tap Changer (LTC) affect the 6.9kV bus?
A
No, the 6.9kV bus is on a fixed tap.
7
Q
Does the 1Y 480V disconnect switch have a kirk key interlock?
A
No, it does not.
8
Q
How should the 1Y 480V disconnect switch be opened under load?
A
Procedurally opening the 480V feeder to minimize arc damage.
