Rx Trip / SI Actuation Signals

Question 1

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the Source Range Neutron Flux - High Rx Trip?

Answer 1

1x10⁵ CPS [1/2]

Manual Block: > P-6 (IR > 1x10^-10 amps [1/2])

Auto Block: > P-10 (PR > 10% [2/4])

Question 2

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the Intermediate Range Neutron Flux - High Rx Trip?

Answer 2

25% RTP [1/2]

Manual Block: > P-10 (PR > 10% [2/4])

Question 3

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the Power Range Neutron Flux - Low Rx Trip?

Answer 3

25% RTP [2/4]

Manual Block: > P-10 (PR > 10% [2/4])

Question 4

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the Power Range Neutron Flux - High Rx Trip?

Answer 4

109% RTP [2/4]

Question 5

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the Power Range Neutron Flux Positive Rate- High Rx Trip?

Answer 5

^+4.25% / _{2 Sec} [2/4]

• Note: Must be manually reset on SE054 (NI Panel in back of control room)*

Question 6

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the OTΔT Rx Trip?

Answer 6

122.6% (±) Penalties [2/4]

Question 7

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the OPΔT Rx Trip?

Answer 7

110.73% (-) Penalties [2/4]

Question 8

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the PZR Pressure - Low Rx Trip?

Answer 8

1885 PSIG [2/4]

Manual Block: >P-7 (P-10 or P-13 [1/2])

• P-10: PR > 10% [2/4]
• P-13: P > 10% P_imp [1/2]

Question 9

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the PZR Pressure - High Rx Trip?

Answer 9

2385 PSIG [2/4]

Question 10

• Reactor Trip Actuation Signals*
• • *

What is the setpoint of the PZR Water Level - High Rx Trip?

Answer 10

92% [2/3]

Manual Block: >P-7 (P-10 or P-13 [1/2])

• P-10: PR > 10% [2/4]
• P-13: P > 10% P_imp [1/2]