Norm

NEN-EN-IEC 61226:2010 en

Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions

172,08

Over deze norm

Status Definitief
Aantal pagina's 36
Commissie Kerntechnische instrumentatie
Gepubliceerd op 01-03-2010
Taal Engels
This International Standard establishes a method of classification of the information and command functions for nuclear power plants, and the I&C systems and equipment that provide those functions, into categories that designate the importance to safety of the function. The resulting classification then determines relevant design criteria. The design criteria are the measures of quality by which the adequacy of each function in relation to its importance to plant safety is ensured. In this standard, the criteria are those of functionality, reliability, performance, environmental durability (including seismic) and quality assurance (QA). This standard is applicable to all the information and command functions and the instrumentation and control (I&C) systems and equipment that provide those functions. The functions, systems and equipment under consideration provide automated protection, closed or open loop control and information to the operating staff. They keep the NPP conditions inside the safe operating envelope and provide automatic actions, or enable manual actions, that prevent or mitigate accidents, or that prevent or minimize radioactive releases to the site or wider environment. The I&C functions that fulfil these roles safeguard the health and safety of the NPP operators and the public.

Details

ICS-code 27.120.20
Nederlandse titel Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
Engelse titel Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
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