Start-up Status Lights Flashcards
When will the SR CH 1 / CH2 Flux level High Trip lights come on?
90,000 cps on respective channel
What causes the Source Range Trip Blocked Status light to come on?
Blocking the SR Trips once P-6 is reached and proper 1 decade overlap is seen between IR and SR indications.
When will the IR permissive P-6 light come on?
When 1/2 IR instruments get to 10E-10 amps, indicating that P-6 is enabled and you may block SR high level flux trips.
When does the IR CH 1/2 Power above P-6 light come on?
When channel gets to 10E-10 amps
What is the only permissive light that should be lit prior to startup?
Power Range Permissive P-8
Why is the status light for Power Range Permissive P-8 on at startup?
Because power is less than 29%
Why will the Loop 1 Channel 1 Tavg Low and the Loops 2-4 Tavg Low status lights be lit during startup?
Bc average temp will be less than 554*F
Why is the Trubine Impulse Chamber Pressure Permissive P-13 lit?
2/2 turbine impulse pressure is less than 10%
What trips are able to be blocked at P-7?
- PZR Pressure Low
- PZR Level High High
- RCP UV
- RCP UF
- RCP Flow
- RCP breaker Open
Which conditions will cause Reactor Trips Blocked Permissive P-7 Status light to be lit?
2/2 turbine impulse pressure are < 10% AND 3/4 PR NIs are < 10%
Why is the Turbine Impulse Block Rod Withdrawal Permissive C-5 lit at startup?
Turbine Impulse Pressure is <15%, so auto rod withdrawal operation is prohibited
Why are the Turbine Auto Stop Channel 1/2 Oil Dumped status lights lit?
Bc turbine is tripped.
What is the expected status of the Steam Dump Bypass, Turbine Trip C8 status light during startup?
Not Lit
Will light during a cool down when steam dumps in Bypass
Why are the Turbine SV lights lit during a start up?
Turbine is tripped.
When will the Group 1 and 2Dump Valves unblocked status light go out?
When steam dump is placed in T-avg mode at 15%
