Turbine Trips Flashcards
1
Q
Hi RPV Level
A
54”
2
Q
Hi Moisture Separator Level
A
9 5/16”
3
Q
Hi EXH Hood Temp
A
225°F
4
Q
Low Vacuum
A
7.5”HgA
5
Q
Low EHC Fluid Pressure
A
1100#
6
Q
Low Shaft Oil Pump Disch pressure
A
105# if >1350 RPM
7
Q
Low Bearing Oil Pressure
A
8 psid
8
Q
Primary Overspeed
A
108%
9
Q
Emergency Overspeed
A
110%
10
Q
Loss of Primary or Emergency Speed Signal
A
2/3
11
Q
Loss of SWC
A
- Gen load not <78.84% two mins after loss.
- Gen load not <22.25% 3.5mins after loss.
12
Q
Generator Trips
A
All of them
13
Q
Power/Load Unbalance
A
1500%/Sec
14
Q
Axial Position
A
+/-35mils
15
Q
Deviation of >X% between Pri. and B/U speed signals.
A
5%
