IEC TR 61838:2009
Current
The latest, up-to-date edition.
Nuclear power plants - Instrumentation and control important to safety - Use of probabilistic safety assessment for the classification of functions
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
14-12-2009
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 |
| 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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