IEC 60911:1987
Current
The latest, up-to-date edition.
Measurements for monitoring adequate cooling within the core of pressurized light water reactors
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English - French, Russian
30-03-1987
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FOREWORD
PREFACE
INTRODUCTION
1 Clause and object
2 Terminology
2.1 Scope of terms
2.2 Definitions
3 Abnormal shutdown operating conditions
3.1 Subcooled coolant
3.2 Saturated coolant
3.3 Superheated coolant
4 Instrumentation requirements
4.1 Measurements for subcooled condition
4.2 Measurements for saturated condition
4.3 Measurements for superheated condition
5 Presentation of information
6 Safety classification of the equipment
7 Qualification
APPENDIX A Thermodynamic analysis of the reactor coolant
system
A.1 General
A.2 Assessment of thermodynamic conditions
A.3 Display parameters
A.4 Examples of displays
Defines requirements for additional instrumentation to measure coolant parameters, which are of interest when abnormal conditions arise with either one or two phases of coolant or with gas included in the reactor vessel. The information obtained on coolant conditions assists the operator to decide on actions needed to maintain adequate core cooling.
| DevelopmentNote |
Stability Date: 2019. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
39
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| NEN 10911 : 1987 | Identical |
| BS IEC 62118:2000 | Nuclear reactor instrumentation. Pressurized water reactor (PWR) of VVER design. Monitoring adequate cooling within the core during cold shutdown |
| BS IEC 62117:1999 | Nuclear reactor instrumentation. Pressurized light water reactors (PWR). Monitoring adequate cooling within the core during cold shutdown. |
| VDE 0491-4 : 2001 | NUCLEAR POWER PLANTS - PRESSURIZED LIGHT WATER REACTORS - MONITORING ADEQUATE COOLING WITHIN THE CORE DURING COLD SHUTDOWN |
| IEC 62118:2000 | Nuclear reactor instrumentation - Pressurized water reactor (PWR) of VVER design - Monitoring adequate cooling within the core during shutdown |
| IEC 61343:1996 | Nuclear reactor instrumentation - Boiling light water reactors (BWR) - Measurements in the reactor vessel for monitoring adequate cooling within the core |
| IEC 62117:1999 | Nuclear reactor instrumentation - Pressurized light water reactors (PWR) - Monitoring adequate cooling within the core during cold shutdown |
| IEC 61250:1994 | Nuclear reactors - Instrumentation and control systems important for safety - Detection of leakage in coolant systems |
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