Term
What is the purpose of the vibration monitoring system? |
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Definition
- Provides displays,
- Alarms, and
- Trips
for selected plant equipment |
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Term
What components can vibration monitoring trip? |
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Definition
- "B" and "C" RWCU pumps, 10 second start delay
- RFP suction valve closure
- High vibration, or
- High RPM when windmilling
Note:
"A" RWCU pump does not trip from vibrations, only alarms |
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Term
What is the preferred method of eliminitaing vibration monitoring system nuisance alarms? |
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Definition
Setpoint change (vs. channel bypass), unless there is a known probe problem |
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Term
Where are Bentley Nevada vibration monitoring system cards located? |
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Definition
All in the TSC, except for the recirc pumps which are located in each reactor building 253' elevation |
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Term
When are channel alarms cleared? |
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Definition
When channel bypass switch is on |
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Term
What will happen to machine protection when channel bypass is on? |
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Definition
Machine protection will be lost for that channel |
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Term
Which prefix designates adjustments to setpoints, and which prefix designates channel bypass? |
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Definition
A- (AA, AB) = Adjustments
- Take to on to make adjustment,
- Take to off to lock adjustment in
B- (BA, BB) = Bypass
- Take to ON to bypass (red bypass light comes on),
- Take to OFF to take out of bypass (green OK light)
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Term
What colors do yellow and red represent on the VMS? |
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Definition
Yellow = Alert
Red = Danger
- Must immediately investigate
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Term
CAN'T READ OTHER PROCEDURE - REVIEW FOR ?'s |
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Definition
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