BS IEC 61888:2002
Current
The latest, up-to-date edition.
Nuclear power plants. Instrumentation important to safety. Determination and maintenance of trip setpoints
Hardcopy , PDF
English
13-03-2003
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Determination of setpoints
5.1 Safety
5.2 Safety analysis
5.3 Limiting safety system setting (LSSS)
5.3.1 Channel uncertainty and trip setpoint
5.3.2 Channel uncertainty determination
5.3.3 Trip setpoint
5.3.4 Allowable value
5.4 Combination of uncertainties
5.4.1 Square-root-sum-of-squares method (SRSS)
5.4.2 Algebraic method
5.5 Operational considerations
5.6 Instrument channel range
6 Documentation
7 Maintenance of safety system setpoints
7.1 Testing
7.2 Replacement
Annex A (informative) Example of setpoint determination
Bibliography
Describes the requirements for assuring that automatic setpoints for nuclear safety system instrumentation are established and maintained within specified limits in nuclear power plants and nuclear reactor facilities.
| Committee |
NCE/8
|
| DevelopmentNote |
Supersedes 01/703567 DC (03/2003) Reviewed and confirmed by BSI, September 2013. (08/2013)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
Defines the requirements for assuring that automatic setpoints for nuclear safety system instrumentation are established and maintained within specified limits in nuclear power plants and nuclear reactor facilities.
| Standards | Relationship |
| IEC 61888:2002 | Identical |
| IEC 60050-394:2007 | International Electrotechnical Vocabulary (IEV) - Part 394: Nuclear instrumentation - Instruments, systems, equipment and detectors |
| IEC 60671:2007 | Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing |
| ISA S67.04 : 1988 | SETPOINTS FOR NUCLEAR SAFETY-RELATED INSTRUMENTATION |
| IEC 61226:2009 | Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control 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 60880-2:2000 | Software for computers important to safety for nuclear power plants - Part 2: Software aspects of defence against common cause failures, use of software tools and of pre-developed software |
| 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 |
| IEEE 338-2012 | IEEE Standard for Criteria for the Periodic Surveillance Testing of Nuclear Power Generating Station Safety |
| IEEE 603-2009 REDLINE | IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations |
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