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IEC 63186:2021

Nuclear power plants - Instrumentation and control systems important to safety - Criteria for seismic trip system

General information
Valid from 30.08.2021
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None
Standard history
Status
Date
Type
Name
30.08.2021
Main
IEC 63186:2021 specifies the minimum requirements for the design of the seismic trip system, and the components thereof, used in a nuclear power plant to mitigate seismic effects. This system is intended to shut down the reactor in operation automatically before it is significantly impacted by the vibratory ground motion incurred by strong earthquakes. This document is applicable to both the design of new built plants and the upgrading of plants in operation. It may be used for the design of other types of nuclear facilities where normal operation shall be stopped in case of strong seismic motions.
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