GB/T 13627-2021 English PDF

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GB/T 13627-2021: Criteria for accident monitoring instrumentation for nuclear power plants
Status: Valid

GB/T 13627: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13627-2021	329	Add to Cart	4 days	Criteria for accident monitoring instrumentation for nuclear power plants	Valid
GB/T 13627-2010	639	Add to Cart	3 days	Criteria for accident monitoring instrumentation for nuclear power generating stations	Obsolete
GB/T 13627.1-1992	799	Add to Cart	5 days	Criteria for accident monitoring instrumentations in nuclear power generating stations--Criteria for functions	Obsolete

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Basic data

Standard ID: GB/T 13627-2021 (GB/T13627-2021)
Description (Translated English): Criteria for accident monitoring instrumentation for nuclear power plants
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F82
Word Count Estimation: 17,190
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 13627-2021: Criteria for accident monitoring instrumentation for nuclear power plants

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Criteria for accident monitoring instrumentation for nuclear power plants ICS 27:120:20 CCSF82 National Standards of People's Republic of China Replacing GB/T 13627-2010 Guidelines for Accident Monitoring Instruments in Nuclear Power Plants Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Selection criteria 4 5 Performance Guidelines 6 6 Design Guidelines 7 7 Identification criteria 10 8 Display Guidelines 11 9 Quality Assurance 13 Reference 14 Figure 1 Schematic diagram of display channel 3 Figure 2 Monitoring Channel Display Type 12 Table 1: Variable selection criteria and supporting documents5 TABLE 2 VARIABLE IDENTIFICATION CRITERIA10

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document replaces GB/T 13627-2010 "Guidelines for Accident Monitoring Instruments in Nuclear Power Plants": Compared with GB/T 13627-2010, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows: --- Modified the description about the scope (see Chapter 1, Chapter 1 of the:2010 edition); --- Modified normative references (see Chapter 2, Chapter 2 of the:2010 edition); ---Added the terms "accident manager", "design basis accident", "design extension condition", "safe shutdown", "safety function", "safety system" "serious accident" (see 3:2, 3:8, 3:9, 3:13, 3:14, 3:15, 3:16); --- Delete the terms "accidental operation", "important safety function", "current value", "display unit", "response time", "safety-related function", "check "Measurement unit" and its definition (see 3:6, 3:7, 3:8, 3:11, 3:14, 3:15, 3:16 of the:2010 edition); --- Modified the terms "Accident Analysis License Benchmark", "Accuracy", "Auxiliary Support Facility", "Design Basis Event", "Permit Benchmark Document" Definition of (see 3:1, 3:3, 3:5, 3:7, 3:11, 3:1, 3:2, 3:4, 3:9, 3:12 of the:2010 edition); --- Added design criteria for monitoring variables for severe accidents (see 4:7, 4:8, 5:1, 5:4, 6:3, 7:2, 8:2, 8:7, Chapter 9); ---Updated the example of monitoring channel display type (see Figure 2, Figure 2 of the:2010 edition): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Standardization Technical Committee of Nuclear Instrumentation (SAC/TC30): This document is drafted by: China Nuclear Power Engineering Co:, Ltd: The main drafters of this document: Shang Xuelian, Yu Lei, Fan Sui, Guo Lin, Gu Yanchun, Chen Rigang, Wang Yanjun, Feng Jia, Ma Yiwei: The previous versions of this document and its superseded documents are as follows: ---GB/T 13627:1-1992 first released in:1992; ---GB/T 13627:2-1992 first released in:1992; ---The first revision in:2010 was integrated into GB/T 13627-2010; ---This is the second revision: Guidelines for Accident Monitoring Instruments in Nuclear Power Plants

1 Scope

This document specifies the selection of monitoring variables for NPPs for expected operational events, design basis accidents and severe accidents and the monitoring of accidents: Guidelines for the design, performance, qualification and display of measuring instruments, as well as guidance on the use of portable instruments: This document is applicable to the design of new nuclear power plants and the design and modification of in-service nuclear power plants: This document applies to all Function and design of accident monitoring instruments used: --- planned operations for accident mitigation as required; --- Assess power plant operating conditions and safety system performance, and make decisions for the power plant to respond to abnormal events; --- Accidents to achieve and maintain safe shutdown operations: This document does not apply to the following situations: --- Incident monitoring instruments for historical recording or maintenance purposes only; --- other instruments that may be used in accident conditions; --- Other design extended working condition monitoring instruments that do not belong to serious accidents:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 7163 Reliability Analysis Requirements for Nuclear Power Plant Safety Systems GB/T 9225 General principles for reliability analysis of safety systems in nuclear power plants GB/T 12727 Appraisal of safety-grade electrical equipment for nuclear power plants GB/T 12788 Nuclear Power Plant Safety Level Power System Guidelines GB/T 13284:1 Nuclear Power Plant Safety System Part 1: Design Criteria GB/T 13286 Nuclear Power Plant Safety Level Electrical Equipment and Circuit Independence Guidelines GB/T 13625 Seismic Appraisal of Safety-Grade Electrical Equipment for Nuclear Power Plants GB/T 13626 Single Fault Criterion Applied to Nuclear Power Plant Safety System GB/T 13629 Guidelines for the Application of Digital Computers in Nuclear Power Plant Safety Systems NB/T:20054 Computer software for performing Class A functions in instrumentation and control systems important to safety in nuclear power plants NB/T:20061 Application of Human Factors Engineering in Nuclear Power Plant Systems, Equipment and Facilities NB/T:20072 Determination and maintenance of instrument trigger setting value of nuclear power plant safety system

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 accidentanalysislicensingbasis Part of a license application document describing the thermal-hydraulic response of a nuclear power plant to anticipated operational events and design basis accidents, and ......

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