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GB/T 17215.303-2022 English PDF

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GB/T 17215.303-2022: Electricity metering equipment(AC) - Particular requirements - Part 3: Digital input electricity meter
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GB/T 17215.303: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 17215.303-2022969 Add to Cart 7 days Electricity metering equipment(AC) - Particular requirements - Part 3: Digital input electricity meter Valid
GB/T 17215.303-2013879 Add to Cart 5 days Electricity metering equipment (a.c.) -- Particular requirements -- Part 3: Digital input electricity meters Obsolete

Similar standards

GB/T 15284   GB/T 17215.321   GB/T 34067.2   GB/T 17215.302   GB/T 17215.301   GB/T 17215.304   

Basic data

Standard ID: GB/T 17215.303-2022 (GB/T17215.303-2022)
Description (Translated English): Electricity metering equipment(AC) - Particular requirements - Part 3: Digital input electricity meter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N22
Word Count Estimation: 50,556
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 17215.303-2022: Electricity metering equipment(AC) - Particular requirements - Part 3: Digital input electricity meter


---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.
Electricity metering equipment(AC) -- Particular requirements -- Part 3.Digital input electricity meter ICS 17.220.20 CCSN22 National Standards of People's Republic of China Replaces GB/T 17215.303-2013 Particular requirements for alternating current measuring equipment Part 3.Digital Energy Meters Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Foreword V Introduction VII 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Abbreviations 4 5 Classification and standard power values 4 5.1 Category 4 5.2 Standard power values5 6 Structure 6 6.1 General requirements6 6.2 Mechanical test 6 6.3 Window 6 6.4 Sealing Regulations 6 6.5 Display 6 6.6 Storage of measured values 7 6.7 Output 7 6.8 Electrical pulse input 7 6.9 Working indicator 7 6.10 Interface 7 7 Identification and documentation of the instrument 9 7.1 Nameplate 9 7.2 Terminal identification 10 7.3 Symbol 12 7.4 Document 12 8 Metrological performance requirements and tests 12 8.1 General test conditions 12 8.2 Methods for Accuracy Verification 13 8.3 Starting current 13 8.4 Maximum allowable error 14 8.5 Repeatability 20 8.6 Load current rise and fall 21 8.7 Error Consistency 21 8.8 Requirements for hourly and multi-rate meters 21 8.9 Timing Accuracy 21 9 Structural safety requirements 21 9.1 Protection against mechanical hazards 21 9.2 Protective connection measures 21 9.3 Prevention of flame spread 21 9.4 Surface temperature limits to prevent burns 22 9.5 Terminal temperature limits for protection against burns 22 10 Climate environment 22 10.1 General requirements 22 10.2 Temperature range, environmental class 22 10.3 Other climatic conditions 22 10.4 Influence test of climate environment 22 11 External influences 24 11.1 General requirements 24 11.2 Electromagnetic Compatibility (EMC) 24 11.3 Working power supply voltage change test 30 11.4 Auxiliary device working test 30 12 Metrological performance protection requirements 30 13 Electrical requirements 30 13.1 Operating Power Requirements 30 13.2 Clearance and Creepage Distances 31 13.3 Dielectric Strength Test 31 14 Functional Requirements 32 14.1 Energy metering function 32 14.2 Maximum demand measurement function 32 14.3 Rate period setting function 32 14.4 Freeze function 32 14.5 Time synchronization function 32 14.6 Noise suppression function 32 14.7 Event logging function 32 14.8 Instrument parameter setting function 33 15 Type test 33 Appendix A (Informative) Digital Electric Energy Meter Access Mode 34 Appendix B (normative) Digital Electric Energy Meter Error Test Method 36 Appendix C (Informative) Instrument Constant Test 37 Appendix D (Normative) Analysis of Multiple Zero-Crossing Waveforms and Harmonic Content 38 Appendix E (normative) Conformity Assessment Criteria 40 Appendix F (Informative) Meter Port 41 Reference 42 Figure 1 Schematic diagram of digital energy meter connected to metering link Ⅷ Figure 2 The principle of forwarding test of single sample value input interface Figure 8 Figure 3 The principle of the forwarding test of the multi-sampled value input interface Figure 8 Figure A.1 Schematic diagram of single-interval digital electric energy meter connection 34 Figure A.2 Schematic diagram of cross-bay digital electric energy meter access (Example 1) 34 Figure A.3 Schematic diagram of cross-bay digital electric energy meter access (Example 2) 35 Figure B.1 Standard Digital Source Method 36 Figure D.1 Voltage Multiple Zero-Crossing Waveform 38 Figure D.2 Current multiple zero-crossing waveform 39 Figure F.1 Typical port configuration for a digital energy meter (example) 41 Table 1 Standard rated voltage5 Table 2 Identification and Documentation Requirements10 Table 3 Test Conditions 13 Table 4 Single Input Conditions (Balanced Load or Single Phase Load) to Meet Meter Error Limits 14 Table 5 Mandatory test points for error test caused by current change 16 Table 6 Repeatability Limits 20 Table 7 Load current rise and fall variation limit 21 Table 8 Error Consistency Limits 21 Table 9 High temperature test temperature and test duration 23 Table 10 Low temperature test temperature and test duration 23 Table 11 AC Voltage Sag and Short Interruption Test 25 Table 12 DC voltage dip and short interruption test 26 Table 13 Clearances and creepage distances for Class I protective insulation encapsulated instruments 31 Table 14 Clearances and creepage distances for Class II protective insulation encapsulated instruments 31 Table 15 Abnormal event of sampled value message 32 Table D.1 Voltage Multiple Zero-Crossing Waveform 38 Table D.2 Current multiple zero-crossing waveform 39 Table E.1 Conformity Assessment Criteria 40

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 is part 3 of GB/T 17215.3.GB/T 17215.3 has released the following parts. ---GB/T 17215.301 Special requirements for multifunctional electric energy meters; ---GB/T 17215.302 Particular requirements for alternating current measuring equipment Part 2.Static harmonic active energy meters; --- GB/T 17215.303 Particular requirements for alternating current measuring equipment Part 3.Digital electric energy meter; ---GB/T 17215.304 Particular requirements for alternating current measuring equipment Part 4.Static electricity connected via electronic transformers energy table; --- GB/T 17215.311 Particular requirements for alternating current measuring equipment Part 11.Electromechanical active energy meters (0.5, 1 and 2); ---GB/T 17215.321 Electrical Measuring Equipment (AC) - Special Requirements Part 21.Static Active Energy Meters (Class A, B, C, D and E); --- GB/T 17215.323 Particular requirements for alternating current measuring equipment Part 23.Static reactive energy meters (level 2 and level 3); ---GB/T 17215.324 Particular requirements for alternating current measuring equipment Part 24.Static fundamental frequency reactive energy meter (Class 0.5S, Class 1S and Class 1); --- GB/T 17215.352 Particular requirements for alternating current measuring equipment Part 52.Symbols. This document replaces GB/T 17215.303-2013 "Special Requirements for Alternating Current Measuring Equipment Part 3.Digital Electric Energy Meters", and Compared with GB/T 17215.303-2013, in addition to structural adjustment and editorial changes, the main technical changes are as follows. a) Added terms and definitions such as "rated primary voltage", "rated primary current", "rated virtual secondary voltage" and "rated virtual secondary current" righteousness (see 3.5, 3.6, 3.7, 3.8); b) Added "Abbreviations", supplemented the English abbreviations related to digital electric energy meters, including APDU, APPID, ASDU, MAC and SVID (see Chapter 4); c) Added classification according to the number of access merging units (see 5.1.1); d) The accuracy level of the digital electric energy meter is changed to level 0.05, and other levels are deleted (see Chapter 4 of 5.1.3,.2013 edition); e) Changed the standard electricity value of digital electric energy meter (see Chapter 4 of 5.2,.2013 edition); f) Added the requirement to display all relevant information for sampled value input settings (see 6.5); g) Changed the error limit, the basic error test includes current change, harmonic, voltage change, frequency change, reverse phase sequence, fast load current Change, higher harmonics, rated voltage, rated current change, sampling frequency and ASDU number change, sampling value discontinuous or missing Tests such as failure, sampling value input message in maintenance state, sampling data asynchronous (see 8.4, 6.5.2 of the.2013 edition); h) Added "Metering performance protection requirements" that meet the requirements of R46, and the verification method is not covered in this document (see Chapter 12); i) Added the function of abnormal event and special setting requirements of sampled value message (see 14.6, 14.7); j) Added the access method of digital electric energy meter (see Appendix A); k) Changed the error test method of the digital energy exchange meter (see Appendix B, Appendix A.1, A.2 of the.2013 edition); l) Added the instrument constant test (see Appendix C); m) Added analysis of multiple zero-crossing waveforms and harmonic content (see Appendix D.1, D.2); n) Added conformity assessment criteria (see Appendix E); o) Added instrument port (see Appendix F). 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 by China Machinery Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Electrical Instrumentation (SAC/TC104). This document is drafted by. Harbin Electric Instrument Research Institute Co., Ltd., China Electric Power Research Institute Co., Ltd., Yantai Dongfang Weishi Dun Electric Co., Ltd., State Grid Chongqing Electric Power Company Marketing Service Center, Zhejiang Hengye Electronics Co., Ltd., Shenzhen Kelu Electronic Technology Co., Ltd. Co., Ltd., Shenzhen Xinglong Technology Co., Ltd., Wasion Group Co., Ltd., China Southern Power Grid Power Technology Co., Ltd., Ante Instrument Group Co., Ltd., China Southern Power Grid Digital Power Grid Research Institute Co., Ltd., State Grid Sichuan Electric Power Company Marketing Service Center, China Southern Power Grid Scientific Research Institute Co., Ltd., China Electrical Instrumentation Quality Supervision and Inspection Center, Heilongjiang Province Electrical Instrumentation Engineering Technology Research Center Co., Ltd., Holley Technology Co., Ltd., Zhejiang UBS Electronics Co., Ltd., Yunnan Power Grid Co., Ltd. Measurement Center, Jiangyin Changyi Group Co., Ltd., State Grid Jiangxi Electric Power Co., Ltd. Power Supply Service Management Center, Inner Mongolia Electric Power (Group) Co., Ltd. Inner Mongolia Ancient Electric Power Research Institute Branch, Jiangyin Zhonghe Electric Power Instrument Co., Ltd., Yinhe Electric Power Group Co., Ltd., State Grid Hebei Electric Power Co., Ltd. Marketing Service Center, Jiangsu Lingchuang Electric Automation Co., Ltd., State Grid Jiangsu Electric Power Co., Ltd. Marketing Service Center, Aerospace Liangli Electric Co., Ltd., Shijiazhuang Kelin Electric Co., Ltd., Zhejiang Wansheng Intelligent Technology Co., Ltd., State Grid Zhejiang Jiang Province Electric Power Co., Ltd. Marketing Service Center, Inner Mongolia Electric Power (Group) Co., Ltd., Qingdao Qiancheng Technology Co., Ltd., Shenzhen City Xianxing Electric Technology Co., Ltd., Henan Xuji Instrument Co., Ltd., Zhejiang Chentai Technology Co., Ltd., Ningxia LONGi Ningguang Instrument Co., Ltd. Co., Ltd., Ningbo Canaan Intelligent Electric Co., Ltd., Harbin Electric Meter Instrument Factory (Group) Co., Ltd., Zhongnan Instrument Co., Ltd., State Grid Shandong Electric Power Company, Jiangsu Kaowanhong Electronics Co., Ltd., State Power NARI Sanneng Power Meter (Nanjing) Co., Ltd., Anhui NARI Zhongtian Power Electronics Co., Ltd. The main drafters of this document. Bai Jingfen, Zhang Lihua, Chen Wenxin, Jiang Yiqin, Li Fuchao, Huang Jianzhong, Hu Meng, Zhang Zongji, Zhang Xiaodong, Wang Huiwu, Zheng Ke, Wang Shuangling, Dong Yongle, Zeng Shitu, Wang Yu, Sun Chong, Su Yuhua, Luo Qiang, Meng Juan, Dani, Qian Bin, Zhang Leping, Ge Zongguang, Fei Honghai, Yan Yaofeng, Liu Yadong, Li Xiangfeng, Wang Qiang, Shen Xin, Yang Aijun, Yang Aichao, Liu Yongguang, Liu Yupeng, Bao Jin, Chen Huiyun, Fei Guihuai, Lei Ming, Zhang Enyou, Zhao Sihai, Jin Lingfeng, Zhang Hongrui, Zhu Tan, Zhu Lin, Cai Shizhu. The previous versions of the documents replaced by this document are as follows. ---First published in.2013 as GB/T 17215.303-2013; ---This is the first revision.

Introduction

At present, digital energy meters are widely used in smart substations, and the complete digital energy meter measurement link is shown in Figure 1.Among them, the number The input of the digital electric energy meter is the digital output of the electronic transformer or the independent merging unit, and the transformer is adopted by GB/T 20840 (IEC 61869). The relevant technical requirements provide standardization. As a kind of AC measuring equipment, digital electric energy meter is standardized by GB/T 17215. GB/T 17215 "Alternating current measuring equipment" is divided into several parts, GB/T 17215.3 "Special requirements for alternating current measuring equipment" is The special requirements for various types of alternating current measuring equipment provide standardization and consist of the following 10 parts. ---GB/T 17215.301 Special requirements for multifunctional electric energy meters. The purpose is to standardize the technology and test of the multifunctional electric energy meter, to ensure The relevant rules that need to be followed to establish a multi-function energy meter. ---GB/T 17215.302 Particular requirements for alternating current measuring equipment Part 2.Static harmonic active energy meters. aim at In order to standardize the technology, accuracy and test of static harmonic active energy meters, establish the phases that static harmonic active energy meters need to follow. off rules. ---GB/T 17215.303 Particular requirements for alternating current measuring equipment Part 3.Digital electric energy meters. The purpose is to normalize numbers Digital electric energy meter technology, accuracy and test, establish the relevant rules that digital electric energy meter needs to follow. ---GB/T 17215.304 Particular requirements for alternating current measuring equipment Part 4.Static electric energy connected through electronic transformers surface. The purpose is to standardize the technology, accuracy and test of static electric energy meters connected to electronic transformers, and to establish Relevant rules to be followed by the connected static energy meter. ---GB/T 17215.311 Particular requirements for alternating current measuring equipment Part 11.Electromechanical active energy meters (0.5, 1 and level 2). The purpose is to standardize the technology and test of electromechanical active energy meters with accuracy levels of 0.5, 1 and 2, and establish the standard. Relevant rules to be followed by electromechanical active energy meters with accuracy levels of 0.5, 1 and 2. ---GB/T 17215.321 Electrical Measuring Equipment (AC) - Special Requirements Part 21.Static Active Energy Meters (Class A, B, C, D and E). The purpose is to standardize the static type with accuracy class A, B, C, D, E Active energy meter technology and tests to establish static active energy meters with accuracy levels A, B, C, D, and E Relevant rules to follow. ---GB/T 17215.323 Particular requirements for alternating current measuring equipment Part 23.Static reactive energy meters (Class 2 and level 3). The purpose is to standardize the technology and test of static reactive energy meters with accuracy levels of 2 and 3, and to establish the accuracy, etc. Relevant rules to be followed by static reactive energy meters of Class 2 and Class 3. ---GB/T 17215.324 Particular requirements for alternating current measuring equipment Part 24.Static fundamental frequency reactive energy meter (Class 0.5S, Class 1S and Class 1). The purpose is to standardize the fundamental wave static reactive power with accuracy levels of 0.5S, 1S and 1. Electric energy meter technology and tests, the establishment of fundamental wave static reactive energy meters with accuracy levels of 0.5S, 1S, and 1 needs to follow related rules. --- GB/T 17215.352 Particular requirements for alternating current measuring equipment Part 52.Symbols. The purpose is for the standard document The symbols used provide the standard. This document is about the standard for alternating current measuring equipment—digital electric energy meters; for applicable meters, this document will If any requirements involved in this document have been included in GB/T 17215.211-2021, this document The requirements of the document take precedence over the requirements of GB/T 17215.211-2021. This document is the minimum test level to ensure the normal function of the digital energy meter under normal operating conditions. For special applications, other tests are required. An inspection level may be necessary, which is negotiated between the user and the manufacturer. Note 1.The sampled value message conforms to the DL/T 860.91 electric energy meter. Except for the protocol and sampled value interface requirements, other reference to the relevant content of this document is implemented. Note 2.The independent merging unit in the figure is only for the independent merging unit of the IEC 61869-13 specification. Figure 1 Schematic diagram of digital energy meter connected to the metering link Particular requirements for alternating current measuring equipment Part 3.Digital Energy Meters

1 Scope

This document specifies the classification and standard electricity value, structure, meter identification and Documentation, metrological performance requirements and tests, structural safety requirements, climatic environment, external influences, metrological performance protection requirements, electrical requirements, functional requirements Request, type test. This document is suitable for installation and use in 50Hz or 60Hz power grid, via Electronic Transformer (ET) or Independent Merging Unit (SAMU) Access, and input the newly manufactured meter that complies with the DL/T 860.92 or GB/T 20840.9 specification of the digitized sampling value.

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 2423.1-2008 Environmental Testing of Electrical and Electronic Products Part 2.Test Methods Test A. Low Temperature GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2.Test method Test B. High temperature GB/T 2423.4-2008 Environmental testing of electrical and electronic products - Part 2.Test method Test Db. Alternating damp heat (12h 12h cycle) GB/T 2423.43-2008 Environmental Testing of Electrical and Electronic Products Part 2.Test Methods Vibration, Shock and Similar Dynamics Installation of test samples GB/T 4208-2017 Protection class of enclosure (IP code) GB/T 17215.211-2021 General requirements, tests and test conditions for electrical measuring equipment (AC) - Part 11.Measuring equipment GB/T 17215.301-2007 Special requirements for multifunctional electric energy meters GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2018 Electromagnetic Compatibility Test and M......
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