Conditionals Flashcards
What is C-1? What is the function and is there a block?
1/2 IR Nis at 18% (Unit 2 at 16%).
This stops Auto and Manual Rod withdrawal.
It can be manually blocked above P-10. It is auto unblocked below P-10
What is C-2? What is the function and is there a block?
1/4 PR NI at 103%.
Stops Auto and Manual Rod withdrawal.
There is a rod stop bypass on the drawer.
What is C-3? What is the function and is there a block?
2/4 OTΔT at 3% < Trip Setpoint.
Stops auto and manual rod withdrawal and initiates a turbine runback.
No block
What is C-4? What is the function and is there a block?
2/4 OPΔT at 3% < Trip Setpoint.
Stops auto and manual rod withdrawal and initiates a turbine runback.
No block
What is C-5? What is the function and is there a block?
1/1 MPC-253 Turbine Impulse Pressure < 15%.
Stops Auto Rod withdrawal.
No block
RODS ALIVE!
What is C-11? What is the function and is there a block?
Control Bank D demand at 229 steps.
Stops AUTO rod withdrawal.
No block
What is C-7A?
Its an arming signal for steam dumps.
It is met when there is a load rejection as seen by MPC-254 of 10%. Or sustained ramp decrease of a given magnitude for a long enough time period
What is C-7B?
Its an arming signal for steam dumps.
It is met when there is a load rejection as seen by MPC-254 of 30%
What is C-9?
1 Circ Water Pump Breaker Closed
CRID II
3/3 condenser vacuums greater than or equal to 20.6” Hg
When is C-20 active? And, what is the function?
2/2 Turbine impulse pressures (MPC-253 and 254) > 40%.
“Enables” AMSAC.
