AOP-1 "Loss of Load"

Question 1

AOP-1 entry conditions

Answer 1

Symptoms of Loss of Load (PZR pressure/level rising) in conjunction with any of the following:

• EK-0968 “Loop 1 Tave/Tref Gross Deviation” (5 F)
• EK-0969 “Loop 2 Tave/Tref Gross Deviation” (5 F)
• Turbine Control Valve Malfunction (close)

Question 2

AOP-1 automatic actions

Answer 2

NONE

Question 3

AOP-1 reactor trip criteria

Answer 3

Reactor power greater than or equal to 15% AND turbine governor valve control in manual and not controlling

Question 4

AOP-1 turbine trip criteria

Answer 4

Reactor power less than 15% AND turbine governor valve control in manual and not controlling

Question 5

AOP-1 immediate actions

Answer 5

NONE