NB/T 20015-2021 PDF EnglishUS$740.00 · In stock · Download in 9 seconds
NB/T 20015-2021: Nuclear power plant simulators for use in operator training and examination Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid NB/T 20015: Historical versions
Similar standardsNB/T 20015-2021: Nuclear power plant simulators for use in operator training and examination---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/NBT20015-2021NB ENERGY INDUSTRY STANDARD ICS 27.120.10 CCS F 83 Replacing NB/T 20015-2010 Nuclear Power Plant Simulators for Use in Operator Training and Examination Issued on. APRIL 26, 2021 Implemented on. JULY 26, 2021 Issued by. National Energy Administration Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 5 4 General... 9 5 Test Requirements... 19 6 Configuration and Management of the Simulator... 28 Appendix A (Informative) Application Example of Steady-State Allowable Error of Simulator... 31 Appendix B (Normative) Guidelines for the Implementation of Simulator Operability Tests... 32 Appendix C (Informative) Guidelines for the Preparation of Simulator Design and Test Documents... 38 Bibliography... 421 ScopeThis Document specifies the functional requirements of the full range simulator of the control room of a pressurized water reactor nuclear power plant (hereinafter referred to as the simulator) used for operator training and examination, as well as the simulation range, performance and functional criteria of the simulator. This Document is applicable to the simulator of a pressurized water reactor nuclear power plant, and can also be used as a reference for simulators of non-pressurized water reactor nuclear power plants and other nuclear facilities.2 Normative ReferencesThere are no normative references in this Document.3 Terms and DefinitionsFor the purposes of this Document, the following terms and definitions apply. 3.1 Reference unit Determine the specific nuclear power plant unit on which the simulator control room configuration, system control settings and design database are based. 3.1 Simulation Use modeling techniques in a simulator development environment to replicate the systems or subsystems of the reference unit. 3.3 Stimulation The simulator uses the actual hardware and software of the reference unit's system or subsystem to replicate the corresponding system or subsystem of the reference unit. 3.4 Emulation Specifically refers to replicating the system or subsystem of the reference unit by moving the software of the system or subsystem of the reference unit to the simulator operating environment (the hardware platform can be a simulation host or an independent computer). 3.5 Visually simulated hardware Hardware that provides only realistic appearance and visual guidance on the simulator control panel, but has no interface with the dynamic simulation model.4 General4.1 Overview Nuclear power plant simulators used for initial training, retraining and examination of operators shall use a specific unit as the reference unit. The simulation range shall enable operators to take the same operation through the operating procedures of the reference unit to handle a certain change process on the simulator as the operation taken on the reference unit. The simulation range shall allow all the change processes specified in this Clause to be handled until a stable operating condition is obtained. 4.2 Capabilities of the simulator 4.2.1 General requirements The simulator response caused by the operator's operation, no operator operation, improper operator operation and the reference unit automatic control and inherent characteristics shall be realistic; it shall not violate the natural physical laws such as mass, motion and energy conservation; and shall comply with the provisions of the verification, confirmation and performance test criteria specified in Clause 5. 4.2.5 Normal operation 4.2.5.1 Overview The simulator shall be able to continuously simulate the change procedures of the reference units listed in 4.2.5.2 and 4.2.5.3 without changing the mathematical model or initial conditions. The simulator shall be able to calculate the system parameters of different operating conditions and display these parameters on the corresponding instruments, while giving correct alarms and protection system actions. 4.2.5.2 Steady-state operation The simulator shall accurately simulate the steady-state response of the reference unit within the operating range where the reference unit data can be obtained. 4.2.6 Malfunctions 4.2.6.1 Reference materials As part of the procedures for systematic approach to training, the type and number of simulated failures shall be determined when designing a performance-based operator training and retraining program. The following reference materials should be used in the selection process. 4.2.6.2 Range The specific fault capabilities required on the simulator shall meet the relevant requirements of the reference unit licensed operator training and retraining program. The simulator shall include the following failures. 4.3 Simulation range 4.3.1 Physical fidelity and human factors 4.3.1.1 Panel The simulator shall include various panels, consoles, and operating stations in the main control room and auxiliary control room to provide the control, instrumentation, alarms, and other human-machine interfaces necessary for the varying duty operating conditions specified in5 Test Requirements5.1 Overview The following verification, confirmation and performance test criteria are formulated to ensure that there are no noticeable differences BETWEEN the simulator control room and simulated systems AND the reference unit control room and systems. 5.2~5.5 specify the assessment requirements for the main performance of the simulator. 5.2 Simulator capability criteria 5.2.5 Normal operation 5.2.5.1 Overview It shall be verified that the change procedures of the reference unit listed in 4.2.5 can be simulated continuously without changing the mathematical model. 5.2.5.2 Steady-state operation 5.2.7 Severe accidents During the simulation of the severe accidents described in 4.2.7, the simulator shall meet the following criteria. 5.3 Simulation range 5.3.1 Physical fidelity and human factors 5.3.1.1 Panels It shall be verified that the size, shape, color and layout of the control panels, consoles and operator stations simulated in accordance with 4.3.1.1 are replicated according to the reference unit. It shall be verified that noticeable differences have been eliminated; or a training needs assessment has been implemented in accordance with the method provided in 5.3.1.4. 5.3.1.3 Control room environment It shall be verified that the simulator control room replicates the reference unit control room in accordance with the requirements of 4.3.1.3.It shall be verified that noticeable differences have been eliminated or a training needs assessment has been carried out in accordance with the method provided in 5.3.1.4. 5.3.1.4 Differences assessment A training needs assessment shall be conducted for each identified difference or noticeable difference. If it does not affect the operator's operation or distract the training attention, the difference and noticeable difference are acceptable.6 Configuration and Management of the Simulator6.1 Overview A simulator configuration and management system shall be established to provide methods for verifying simulator performance and confirming compliance with Clause 4.The simulator configuration and management system shall include. 6.2 Simulator design baseline 6.2.1 General requirements The simulator design baseline consists of the current simulator design data, hardware configuration, and software configuration. The simulator design baseline includes the following. 6.2.2 Utilization of baseline data The baseline data comes from a variety of sources. To ensure the fidelity of the simulator, the use of this data shall follow the following priority order. 6.4 Simulator changes 6.4.1 Overview Simulator changes are divided into the following two categories. a) Changes based on reference unit modifications; b) Changes based on the latest unit performance data, trainee feedback, event reports, experience feedback, and simulator performance test results. Based on the training needs assessment, both of the above changes can be made before the actual modification of the reference unit, such as control panel modification and new fuel loading. 6.4.2 Simulator changes based on reference unit modifications 6.4.2.1 Overview In the cases of 5.4.2.2 and 5.4.2.3, the simulator configuration shall be upgraded to maintain consistency with the reference unit. 6.5 Configuration management of software and hardware The configuration of software and hardware used for operator training and examination shall be managed in accordance with the requirements of 5.5. NB/T 20015-2021 NB ENERGY INDUSTRY STANDARD ICS 27.120.10 CCS F 83 Replacing NB/T 20015-2010 Nuclear Power Plant Simulators for Use in Operator Training and Examination Issued on. APRIL 26, 2021 Implemented on. JULY 26, 2021 Issued by. National Energy AdministrationTable of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 5 4 General... 9 5 Test Requirements... 19 6 Configuration and Management of the Simulator... 28 Appendix A (Informative) Application Example of Steady-State Allowable Error of Simulator... 31 Appendix B (Normative) Guidelines for the Implementation of Simulator Operability Tests... 32 Appendix C (Informative) Guidelines for the Preparation of Simulator Design and Test Documents... 38 Bibliography... 421 ScopeThis Document specifies the functional requirements of the full range simulator of the control room of a pressurized water reactor nuclear power plant (hereinafter referred to as the simulator) used for operator training and examination, as well as the simulation range, performance and functional criteria of the simulator. This Document is applicable to the simulator of a pressurized water reactor nuclear power plant, and can also be used as a reference for simulators of non-pressurized water reactor nuclear power plants and other nuclear facilities.2 Normative ReferencesThere are no normative references in this Document.3 Terms and DefinitionsFor the purposes of this Document, the following terms and definitions apply. 3.1 Reference unit Determine the specific nuclear power plant unit on which the simulator control room configuration, system control settings and design database are based. 3.1 Simulation Use modeling techniques in a simulator development environment to replicate the systems or subsystems of the reference unit. 3.3 Stimulation The simulator uses the actual hardware and software of the reference unit's system or subsystem to replicate the corresponding system or subsystem of the reference unit. 3.4 Emulation Specifically refers to replicating the system or subsystem of the reference unit by moving the software of the system or subsystem of the reference unit to the simulator operating environment (the hardware platform can be a simulation host or an independent computer). 3.5 Visually simulated hardware Hardware that provides only realistic appearance and visual guidance on the simulator control panel, but has no interface with the dynamic simulation model.4 General4.1 Overview Nuclear power plant simulators used for initial training, retraining and examination of operators shall use a specific unit as the reference unit. The simulation range shall enable operators to take the same operation through the operating procedures of the reference unit to handle a certain change process on the simulator as the operation taken on the reference unit. The simulation range shall allow all the change processes specified in this Clause to be handled until a stable operating condition is obtained. 4.2 Capabilities of the simulator 4.2.1 General requirements The simulator response caused by the operator's operation, no operator operation, improper operator operation and the reference unit automatic control and inherent characteristics shall be realistic; it shall not violate the natural physical laws such as mass, motion and energy conservation; and shall comply with the provisions of the verification, confirmation and performance test criteria specified in Clause 5. 4.2.5 Normal operation 4.2.5.1 Overview The simulator shall be able to continuously simulate the change procedures of the reference units listed in 4.2.5.2 and 4.2.5.3 without changing the mathematical model or initial conditions. The simulator shall be able to calculate the system parameters of different operating conditions and display these parameters on the corresponding instruments, while giving correct alarms and protection system actions. 4.2.5.2 Steady-state operation The simulator shall accurately simulate the steady-state response of the reference unit within the operating range where the reference unit data can be obtained. 4.2.6 Malfunctions 4.2.6.1 Reference materials As part of the procedures for systematic approach to training, the type and number of simulated failures shall be determined when designing a performance-based operator training and retraining program. The following reference materials should be used in the selection process. 4.2.6.2 Range The specific fault capabilities required on the simulator shall meet the relevant requirements of the reference unit licensed operator training and retraining program. The simulator shall include the following failures. 4.3 Simulation range 4.3.1 Physical fidelity and human factors 4.3.1.1 Panel The simulator shall include various panels, consoles, and operating stations in the main control room and auxiliary control room to provide the control, instrumentation, alarms, and other human-machine interfaces necessary for the varying duty operating conditions specified in5 Test Requirements5.1 Overview The following verification, confirmation and performance test criteria are formulated to ensure that there are no noticeable differences BETWEEN the simulator control room and simulated systems AND the reference unit control room and systems. 5.2~5.5 specify the assessment requirements for the main performance of the simulator. 5.2 Simulator capability criteria 5.2.5 Normal operation 5.2.5.1 Overview It shall be verified that the change procedures of the reference unit listed in 4.2.5 can be simulated continuously without changing the mathematical model. 5.2.5.2 Steady-state operation 5.2.7 Severe accidents During the simulation of the severe accidents described in 4.2.7, the simulator shall meet the following criteria. 5.3 Simulation range 5.3.1 Physical fidelity and human factors 5.3.1.1 Panels It shall be verified that the size, shape, color and layout of the control panels, consoles and operator stations simulated in accordance with 4.3.1.1 are replicated according to the reference unit. It shall be verified that noticeable differences have been eliminated; or a training needs assessment has been implemented in accordance with the method provided in 5.3.1.4. 5.3.1.3 Control room environment It shall be verified that the simulator control room replicates the reference unit control room in accordance with the requirements of 4.3.1.3.It shall be verified that noticeable differences have been eliminated or a training needs assessment has been carried out in accordance with the method provided in 5.3.1.4. 5.3.1.4 Differences assessment A training needs assessment shall be conducted for each identified difference or noticeable difference. If it does not affect the operator's operation or distract the training attention, the difference and noticeable difference are acceptable.6 Configuration and Management of the Simulator6.1 Overview A simulator configuration and management system shall be established to provide methods for verifying simulator performance and confirming compliance with Clause 4.The simulator configuration and management system shall include. 6.2 Simulator design baseline 6.2.1 General requirements The simulator design baseline consists of the current simulator design data, hardware configuration, and software configuration. The simulator design baseline includes the following. 6.2.2 Utilization of baseline data The baseline data comes from a variety of sources. To ensure the fidelity of the simulator, the use of this data shall follow the following priority order. 6.4 Simulator changes 6.4.1 Overview Simulator changes are divided into the following two categories. a) Changes based on reference unit modifications; b) Changes based on the latest unit performance data, trainee feedback, event reports, experience feedback, and simulator performance test results. Based on the training needs assessment, both of the above changes can be made before the actual modification of the reference unit, such as control panel modification and new fuel loading. 6.4.2 Simulator changes based on reference unit modifications 6.4.2.1 Overview In the cases of 5.4.2.2 and 5.4.2.3, the simulator configuration shall be upgraded to maintain consistency with the reference unit. 6.5 Configuration management of software and hardware The configuration of software and hardware used for operator training and examination shall be managed in accordance with the requirements of 5.5. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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