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Cold shutdown

The term used to define a reactor coolant system at atmospheric pressure and at a temperature below 200 degrees Fahrenheit following a reactor cooldown.

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cold shutdown
Energy; Nuclear energy

The term used to define a reactor coolant system at atmospheric pressure and at a temperature below 200 degrees Fahrenheit following a reactor cooldown.

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Fire safety; Prevention & protection

A stable nuclear power plant condition in which the affected reactor is subcritical and the average reactor coolant system temperature is less than or equal to 200°F (93°C).

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A decrease in the rate of fission (and heat/energy production) in a reactor (usually by the insertion of control rods into the core).

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(1) The process of ending operation of a system or a subsystem by following a defined procedure. (2) A status condition that describes when the cluster is shut down as intended.

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