27.120.20 - Nuclear power plants. Safety
Nuclear power plants. Safety
Kernkraftwerke. Sicherheitsaspekte der Kerntechnik
Centrales nucléaires. Sécurité
Jedrske elektrarne. Varnost
General Information
See the scope of IEC 62566-2:2020. Adoption of IEC 62566-2:2020 is to be done without modification.
- Standard61 pagesEnglish language
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- Draft61 pagesEnglish language
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This document specifies requirements for the ice plug technique with liquid nitrogen or dry ice as refrigerant (cryogenic medium) on metal pipes of nuclear power plants. The freezing liquid can be water or water mixture (e.g. boric acid mixture). This document specifies technical requirements of ice plug generation, formation judgment and removal, measures before, during and after ice plugging and requirements for personnel and non-destructive testing. The application of the ice plug isolation t...view more
- Standard15 pagesEnglish language
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This document specifies the basic requirements of thermal insulation design of reactor coolant system (RCS) equipment and piping. Among thermal insulation of various RCS equipment and piping, the following two kinds of thermal insulations are described in detailed based on common design logic and requirements: — thermal insulation of reactor pressure vessel (RPV); — thermal insulation of RCS piping and other equipment. This document is valid for two types of thermal insulation: — metallic therma...view more
- Standard24 pagesEnglish language
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IEC/IEEE 60980-344:2020 describes methods for establishing seismic qualification procedures that will yield quantitative data to demonstrate that the equipment can meet its performance requirements. This document is applicable to electrical, mechanical, instrumentation and control equipment/components that are used in nuclear facilities. This document provides methods and documentation requirements for seismic qualification of equipment to verify the equipment’s ability to perform its specified ...view more
- Standard82 pagesEnglish language
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IEC 63046:2020 provides requirements and recommendations for the overall Electrical Power System. In particular, it covers interruptible and uninterruptible Electrical Power Systems including the systems supplying the I&C systems; This document is consistent and coherent with IEC 61513. Like IEC 61513, this document also highlights the need for complete and precise requirements, derived from the plant safety goals. Those requirements are prerequisites for generating the comprehensive requirement...view more
- Standard183 pagesEnglish and French language
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IEC 62003:2020 establishes requirements for electromagnetic compatibility testing of instrumentation, control, and electrical equipment supplied for use in systems important to safety at nuclear power plants and other nuclear facilities. The document lists the applicable IEC standards (principally the IEC 61000 series) which define the general test methods, and provides the necessary application-specific parameters and criteria to ensure that nuclear safety requirements are met.
This second edi...view more
- Standard42 pagesEnglish language
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- Draft43 pagesEnglish language
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This document provides a framework to manage the interactions between safety and
cybersecurity for nuclear power plant (NPP) systems, taking into account the current SC 45A
standards addressing these issues and the specifics of nuclear I&C programmable digital
systems.
NOTE In this document (as in IEC 62645), cybersecurity relates to prevention of, detection of, and reaction to
malicious acts perpetrated by digital means (cyberattacks). In this context, it does not cover considerations rela...view more
- Standard29 pagesEnglish language
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- Draft29 pagesEnglish language
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This document establishes requirements and provides guidance for the development and
management of effective computer security programmes for I&C programmable digital
systems. Inherent to these requirements and guidance is the criterion that the power plant
I&C programmable digital system security programme complies with the applicable country’s
requirements.
This document defines adequate measures for the prevention of, detection of and reaction to
malicious acts by digital means (cyberat...view more
- Standard56 pagesEnglish language
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- Draft56 pagesEnglish language
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IEC 63260:2020 provides a structured framework for the incorporation of human reliability analysis (HRA) into probabilistic risk assessments (PRAs).
This document is to enhance the analysis of human-system interactions in PRAs, to help ensure reproducible conclusions, and to standardize the documentation of such assessments. To do this, a specific HRA framework is developed from standard practices to serve as a benchmark to assess alternative ways of incorporating HRA into PRA. This standard is...view more
- Standard35 pagesEnglish language
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IEC 62566-2:2020 provides requirements for achieving highly reliable HDL-Programmed Devices (HPDs), for use in I&C systems of nuclear power plants performing functions of safety category B or C as defined by IEC 61226.
The programming of HPDs relies on Hardware Description Languages (HDL) and related software tools. They are typically based on blank Field Programmable Gate Arrays (FPGAs) or similar micro-electronic technologies such as Programmable Logic Devices (PLD), Complex Programmable Logi...view more
- Standard120 pagesEnglish and French language
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IEC 61226:2020 establishes, for nuclear power plants , a method of assignment of the functions specified for the plant into categories according to their importance to safety. Subsequent classification of the I&C and electrical power systems performing or supporting these functions, based on the assigned category, then determines relevant design criteria.
The design criteria, when applied, ensure the achievement of each function in accordance to its importance to safety. In this document, the c...view more
- Standard80 pagesEnglish and French language
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This document specifies the performance and the functional characteristics of the low voltage
static uninterruptible power supply (SUPS) systems in a nuclear power plant and, for
applicable parts, in general for nuclear facilities. An uninterruptible power supply is an
electrical equipment which draws electrical energy from a source, stores it and maintains
supply in a specified form by means inside the equipment to output terminals. A static
uninterruptible power supply (SUPS) has no rotat...view more
- Standard37 pagesEnglish language
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IEC 62003:2020 establishes requirements for electromagnetic compatibility testing of instrumentation, control, and electrical equipment supplied for use in systems important to safety at nuclear power plants and other nuclear facilities. The document lists the applicable IEC standards (principally the IEC 61000 series) which define the general test methods, and provides the necessary application-specific parameters and criteria to ensure that nuclear safety requirements are met.
This second edi...view more
- Standard80 pagesEnglish and French language
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IEC 62645:2019 establishes requirements and provides guidance for the development and management of effective computer security programmes for I&C programmable digital systems. Inherent to these requirements and guidance is the criterion that the power plant I&C programmable digital system security programme complies with the applicable country’s requirements.
This document defines adequate measures for the prevention of, detection of and reaction to malicious acts by digital means (cyberattack...view more
- Standard112 pagesEnglish and French language
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IEC TR 63214:2019 provides a summary of arguments and a technical basis for the development of a new Human Factors Engineering IEC standard and the alignment of IEC 60964. Based on the provided argumentation, the participating members will vote for such an approach. The proposed content of the new standard provides the basis for fruitful discussion within IEC SC 45A WG 8 and raises interest in the development of the new standard.
The scope of the new HFE IEC standard will follow a holistic appr...view more
- Technical report18 pagesEnglish language
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IEC/IEEE 62582-6:2019 contains methods for condition monitoring of organic and polymeric materials in instrumentation and control cables using insulation resistance measurements in the detail necessary to produce accurate and reproducible results during simulated accident conditions. It includes the requirements for the measurement system and measurement procedure, and the reporting of the measurement results.
NOTE Measurement of insulation resistance during simulated accident conditions with t...view more
- Standard48 pagesEnglish and French language
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This document specifies requirements for the software of computer-based instrumentation and
control (I&C) systems performing functions of safety category B or C as defined by
IEC 61226. It complements IEC 60880 which provides requirements for the software of
computer-based I&C systems performing functions of safety category A.
It is consistent with, and complementary to, IEC 61513. Activities that are mainly system level
activities (for example, integration, validation and installation) are...view more
- Standard55 pagesEnglish language
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- Draft55 pagesEnglish language
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- Standard4 pagesEnglish and French language
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This document specifies requirements for the software of computer-based instrumentation and control (I&C) systems performing functions of safety category B or C as defined by IEC 61226. It complements IEC 60880 which provides requirements for the software of computer-based I&C systems performing functions of safety category A. It is consistent with, and complementary to, IEC 61513. Activities that are mainly system level activities (for example, integration, validation and installation) are not ...view more
- Standard55 pagesEnglish language
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- Draft55 pagesEnglish language
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- Corrigendum1 pageEnglish language
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