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  • BSI
    BS EN IEC 61226:2021 Nuclear power plants. Instrumentation, control and electrical power systems important to safety. Categorization of functions and classification of systems
    Edition: 2021
    $473.45
    / user per year

Description of BS EN IEC 61226:2021 2021

IEC 61226:2020 establishes, for nuclear power plants , a method of assignment of the functions specified for the plant into categories according to their importance to safety. Subsequent classification of the I&C and electrical power systems performing or supporting these functions, based on the assigned category, then determines relevant design criteria.
The design criteria, when applied, ensure the achievement of each function in accordance to its importance to safety. In this document, the criteria are those of functionality, reliability, performance, environmental qualification (e.g. seismic) and quality assurance (QA).
This edition includes the following significant technical changes with respect to the previous edition:
- to align on IAEA requirements, recommendations and terminology, particularly to take into account the replacement of NS-R-1 by SSR 2/1 and publication of SSG 30;
- to extend the scope to electrical power systems;
- to move the detailed requirements applying to functions and I&C systems to a normative annex, which will be removed after updating IEC 61513.

Standard NumberBS EN IEC 61226:2021
TitleNuclear power plants. Instrumentation, control and electrical power systems important to safety. Categorization of functions and classification of systems
StatusDefinitive
Publication Date2021-07-29
ReplacesBS EN 61226:2010
Identical National Standard OfEN IEC 61226:2021, IEC 61226:2020, EN 61606-1:2009
DescriptorsNuclear technology, Nuclear reactors, Measuring instruments, Electric power stations, Nuclear-electric power stations, Instruments, Control systems, Nuclear power, Nuclear safety, Classification systems
ICS17.220.99 Other standards related to electricity and magnetism, 29.020 Electrical engineering in general, 27.120.20 Nuclear power plants. Safety
CommitteeNCE/8
ISBN978 0 539 02465 4
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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