Nuclear power plants - Instrumentation and control important to safety - Use of probabilistic safety assessment for the classification of functions

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

12-14-2009

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Limitations regarding the use of individual approaches
  alone
6 Open issues regarding categorisation
7 Current practices in some member states
8 A survey of risk-related techniques of categorisation
9 Comparison of risk-related categorisation results
Annex A (informative) - The use of PSA: methods and
        results
Annex B (informative) - Approach 6: Role-Reliability-Timeframe
        based approach
Bibliography

IEC/TR 61838:2009 provides a survey of some of the methods by which probabilistic risk assessment results can be used to establish "risk-based" classification criteria, so as to allow FSEs to be placed within the four categories established within IEC 61226. The safety principles and the usefulness of a risk-based approach to classification are discussed and a description of four different approaches is presented. The main technical changes in this second edition with regard to the previous edition are as follows:
- to update the references and the terminology;
- to take into account the progress done since edition 1.

Committee	TC 45/SC 45A
DevelopmentNote	Stability Date: 2015. (10/2012)
DocumentType	Technical Report
Pages	123
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC TR 61838:2001

Standards	Relationship
PD IEC/TR 61838:2009	Identical
BS IEC/TR 61838:2001	Identical
NEN NPR IEC/TR 61838 : 2001	Identical

BS EN 61226:2010	Nuclear power plants. Instrumentation and control important to safety. Classification of instrumentation and control functions
IEC TR 62096:2009	Nuclear power plants - Instrumentation and control important to safety - Guidance for the decision on modernization
EN 61226:2010	Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
BS IEC 61226 : 2009	NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - CLASSIFICATION OF INSTRUMENTATION AND CONTROL FUNCTIONS
I.S. EN 61226:2010	NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - CLASSIFICATION OF INSTRUMENTATION AND CONTROL FUNCTIONS
IEC 61226:2009	Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
PD IEC/TR 62096:2009	Nuclear power plants. Instrumentation and control important to safety. Guidance for the decision on modernization

IEC 61226:2009	Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
IEC 60812:2006	Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
IEC 62138:2004	Nuclear power plants - Instrumentation and control important for safety - Software aspects for computer-based systems performing category B or C functions
IEC 60980:1989	Recommended practices for seismic qualification of electrical equipment of the safety system for nuclear generating stations
IEC 60987:2007+AMD1:2013 CSV	Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems
IEC 60880:2006	Nuclear power plants - Instrumentation and control systems important to safety - Software aspects for computer-based systems performing category A functions
IEC 60780:1998	Nuclear power plants - Electrical equipment of the safety system - Qualification
IEC 61513:2011	Nuclear power plants - Instrumentation and control important to safety - General requirements for systems
IEC 60709:2004	Nuclear power plants - Instrumentation and control systems important to safety - Separation
IEC 60964:2009	Nuclear power plants - Control rooms - Design

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IEC TR 61838:2009

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