• There are no items in your cart

IEC 61250:1994

Current

Current

The latest, up-to-date edition.

Nuclear reactors - Instrumentation and control systems important for safety - Detection of leakage in coolant systems

Available format(s)

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

Language(s)

English - French, Russian

Published date

01-31-1994

Contents
Foreword
Introduction
Clause
1. Scope and object
2. Normative references
3. Definitions
4. Leakage classification and sources
    4.1 Leakage classification
    4.2 Potential identified leakage sources
5. General design and testing requirements
    5.1 Principal monitoring systems for unidentified
         leakage
    5.2 Coolant leakage detection system performance
    5.3 Safety classification
    5.4 Collecting and measuring identified leakages
    5.5 Monitoring intersystem leakage
    5.6 System availability
    5.7 Poert sources
    5.8 Design basis documentation
6. Specific leakage detection instrument requirements
    6.1 Sump level and/or sump pump discharge flow
         monitoring leakage detection
    6.2 Radiation monitoring leakage detection
    6.3 Containment air cooler condensate flow collection
         for leakage detection
    6.4 Reactor coolant inventory
    6.5 Humidity monitoring leakage detection
    6.6 Acoustic monitoring leakage detection
    6.7 Temperature monitoring leakage detection
    6.8 Reactor containment pressure monitoring
    6.9 Tape moisture sensors for leakage detection
    6.10 Visual observations
7. System operability requirements
Table 1 - Summary of leakage monitoring instrument
          capabilities

Defines the requirements for instrumentation needed to detect leakage from reactor coolant systems of light water nuclear reactors. Methods of leak detection are described, and characteristics of different methods of detection and of differentiating between allowable and abnormal leakages are given.

Committee
TC 45/SC 45A
DevelopmentNote
Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
29
PublisherName
International Electrotechnical Committee
Status
Current

IEC 62705:2014 Nuclear power plants - Instrumentation and control important to safety - Radiation monitoring systems (RMS): Characteristics and lifecycle
16/30324061 DC : 0 BS IEC 61504 ED2.0 - NUCLEAR FACILITIES INSTRUMENTATION AND CONTROL SYSTEMS IMPORTANT TO SAFETY - CENTRALIZED SYSTEMS FOR CONTINUOUS MONITORING OF RADIATION AND/OR LEVELS OF RADIOACTIVITY
BS IEC 62705:2014 Nuclear power plants. Instrumentation and control important to safety. Radiation monitoring systems (RMS): Characteristics and lifecycle
BS IEC 61504:2017 Nuclear facilities. Instrumentation and control systems important to safety. Centralized systems for continuous monitoring of radiation and/or levels of radioactivity
IEC 61504:2017 Nuclear facilities - Instrumentation and control systems important to safety - Centralized systems for continuous monitoring of radiation and/or levels of radioactivity
13/30249610 DC : 0 BS EN 62705 ED 1.0 - NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - RADIATION MONITORING SYSTEMS (RMS) CHARACTERISTICS AND TEST METHODS
BS 415(1998) : 1998 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS

ISA 67.03 : 1982 STANDARD FOR LIGHT WATER REACTOR COOLANT PRESSURE BOUNDARY LEAK DETECTION
IEC 60980:1989 Recommended practices for seismic qualification of electrical equipment of the safety system for nuclear generating stations
IEC 60910:1988 Containment monitoring instrumentation for early detection of developing deviations from normal operation in light water reactors
IEC 60911:1987 Measurements for monitoring adequate cooling within the core of pressurized light water reactors
IEC 61225:2005 Nuclear power plants - Instrumentation and control systems important to safety - Requirements for electrical supplies

View more information
US$93.00
Excluding Tax where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.