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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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Electricity metering equipment(AC) - Particular requirements - Part 3: Digital input electricity meter
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Electricity metering equipment (a.c.) -- Particular requirements -- Part 3: Digital input electricity meters
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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
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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 Measurement Technology Electrical Fast Transient Burst Immunity Test
GB/T 17626.5-2019 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test
GB/T 17626.6-2017 Electromagnetic Compatibility Test and Measurement Technology Conducted Disturbance Immunity Induced by Radio Frequency Fields
GB/T 17626.12-2013 Electromagnetic Compatibility Test and Measurement Technology Ringing Wave Immunity Test
GB/T 17626.18-2016 Electromagnetic Compatibility Test and Measurement Technology Damped Oscillating Wave Immunity Test
GB ∕T17626.20-2014 Electromagnetic Compatibility Test and Measurement Technology Transverse Electromagnetic Wave (TEM) Waveguide Emission and Immunity
test
GB/T 17626.29-2006 Electromagnetic compatibility test and measurement technology DC power input port voltage dips, short-term interruptions and
Voltage Variation Immunity Test
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