Reactor Trips Flashcards
List all 19 Reactor Trips.
Do NOT include coincidence, setpoints or interlocks
- SR Hi Flux
- IR Hi Flux Trip
- PR Hi Flux, Low Setpoint
- PR Hi Flux, High Setpoint
- PR Hi Positive Rate
- OTΔT
- OPΔT
- Pressurizer Pressure Low
- Pressurizer Pressure High
- Pressurizer Water Level High
- RCS Loss of Flow
- Undervoltage on RCP Buses
- Underfrequency on RCP Buses
- RCP Breaker Position
- SG Water Level Low Low
- SG Water Level Low with Feed Flow less than Steam Flow
- Safety Injection
- Turbine Trip
- Manual
What is the setpoint, coincidence and interlock for the SR Hi Flux Reactor Trip?
90,000 CPS ↑ on 1/2 SR NIs with a P-6 interlock
What is the setpoint, coincidence and interlock for the IR Hi Flux Reactor Trip?
22.5 (20)% RTP ↑ on 1/2 IR NIs with a P-10 interlock
What is the setpoint, coincidence and interlock for the PR Hi Flux, Low Setpoint Reactor Trip?
20% RTP ↑ on 2/4 PR NIs with a P-10 interlock
What is the setpoint, coincidence and interlock for the PR Hi Flux, High Setpoint Reactor Trip?
107% RPT ↑ on 2/4 PR NIs with NO Interlock
What is the setpoint, coincidence and interlock for the PR High positive rate Reactor Trip?
4.5% ↑ in 2 sec on 2/4 PR NIs with NO Interlock
What is the setpoint, coincidence and interlock for the OTΔT Reactor Trip?
Variable setpoint on 2/4 with NO Interlock
What is the setpoint, coincidence and interlock for the OPΔT Reactor Trip?
Variable setpoint on 2/4 with NO Interlock
What is the setpoint, coincidence and interlock for the Pressurizer Pressure High Reactor Trip?
2385 psig ↑ on 2/4 Pressurizer Pressures with NO Interlock
What is the setpoint, coincidence and interlock for the Pressurizer Pressure Low Reactor Trip?
1950 # ↓ on 2/4 Pressureizer Pressures with a P-7 Interlock
What is the setpoint, coincidence and interlock for the Pressurizer Water Level High Reactor Trip?
92% ↑ on 2/3 pressurizer water levels with a P-7 Interlock
What is the setpoint, coincidence and interlock for the RCS Loss of Flow Reactor Trip?
2/3 on 1/4 Loops at 91% if greater than P-8
or
2/3 on 2/4 Loops 91% ↓ if less than P-8 but greater than P-7
What is the setpoint, coincidence and interlock for the Under Voltage Reactor Trip?
1/2 on 2/4 RCP Buses at 88V ↓ with a P-7 Interlock
What is the setpoint, coincidence and interlock for the Under Frequency Reactor Trip?
1/2 on 2/4 RCP Buses at 58.2 Hz↓ with a P-7 Interlock
What is the setpoint, coincidence and interlock for the RCP Breaker Position Reactor Trip?
2/4 Open Aux Switches with a P-7 Interlock
What is the setpoint, coincidence and interlock for the SG Water Level Low Low Reactor Trip?
2/3 on 1/4 SG at 5%↓ for Unit 1 or 22% ↓ for Unit 2.
There are NO Interlocks
What is the setpoint, coincidence and interlock for the SG Water Level Low with Feed Flow greater than Steam Flow Reactor Trip?
1/2 on 1/4 SG at 15%↓ for Unit 1 and 26% ↓ for Unit 2 WITH 1/2 on same SG Feed Flow Less than Feed flow by 0.71E6 lbm/hr for Unit 1 and 1.47E6 lbm/hr for Unit 2.
There are NO Interlocks.
What is the setpoint, coincidence and interlock for the Safety Injection Reactor Trip?
Either Train of SI will cause a Reactor Trip and there are NO Interlocks
What is the setpoint, coincidence and interlock for the Turbine Trip Reactor Trip?
2/3 Oil Press 800 psig ↓
OR
4/4 Stop Valves 1% ↓
With P-8 as an Interlock
What are the 6 at power trips that are automatically blocked when lowering power and the P-10 status light goes out?
Pressurizer Pressure Low
Pressurizer Water Level High
RCS Loss of Flow
UV - RCP Buses
UF - RCP Buses
RCP Breaker Position
