Shared Flashcard Set

Details

009.0 Vibration Monitoring System
LGSOPS0038E
9
Other
Not Applicable
06/10/2014

Additional Other Flashcards

 


 

Cards

Term
What is the purpose of the vibration monitoring system?
Definition
  • Provides displays,
  • Alarms, and
  • Trips 

for selected plant equipment

Term
What components can vibration monitoring trip?
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 

Term
What is the preferred method of eliminitaing vibration monitoring system nuisance alarms?
Definition
Setpoint change (vs. channel bypass), unless there is a known probe problem
Term
Where are Bentley Nevada vibration monitoring system cards located?
Definition
All in the TSC, except for the recirc pumps which are located in each reactor building 253' elevation
Term
When are channel alarms cleared?
Definition
When channel bypass switch is on
Term
What will happen to machine protection when channel bypass is on?
Definition
Machine protection will be lost for that channel
Term
Which prefix designates adjustments to setpoints, and which prefix designates channel bypass?
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)
Term
What colors do yellow and red represent on the VMS?
Definition

Yellow = Alert

  • Must investigate

 

Red = Danger

  • Must immediately investigate
Term
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Definition
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