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GB/T 43918-2024: Standard meter for AC electrical energy
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Basic data
| Standard ID | GB/T 43918-2024 (GB/T43918-2024) |
| Description (Translated English) | Standard meter for AC electrical energy |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | N22 |
| Classification of International Standard | 17.220.20 |
| Word Count Estimation | 42,480 |
| Date of Issue | 2024-04-25 |
| Date of Implementation | 2024-11-01 |
| Older Standard (superseded by this standard) | GB/T 17215.701-2011 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43918-2024: Standard meter for AC electrical energy
---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.
ICS 17:220:20
CCSN22
National Standards of People's Republic of China
Replaces GB/T 17215:701-2011
AC standard energy meter
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Categories 3
4:1 According to the accuracy level of electric energy measurement 3
4:2 By usage type 3
4:3 By usage scenario 3
5 Structure and mechanical properties 3
5:1 Structure and appearance 3
5:1:1 Housing 3
5:1:2 Nameplate 3
5:1:3 Terminals and interfaces 4
5:1:4 Information display and indication 4
5:2 Mechanical properties 5
5:2:1 Protection against mechanical hazards 5
5:2:2 Resistance to mechanical vibration 5
5:2:3 Mechanical shock resistance 5
5:2:4 Preventing the spread of fire 5
5:2:5 Surface temperature limit 5
5:2:6 Clearance and creepage distance 6
6 Electrical properties 7
6:1 Nominal values and measuring ranges 7
6:1:1 Voltage 7
6:1:2 Current 7
6:1:3 Frequency 7
6:2 Power supply 7
6:3 Power consumption 7
6:4 Energy Pulse 8
6:5 Insulation performance 8
6:5:1 Insulation resistance 8
6:5:2 AC voltage test 9
6:5:3 Pulse voltage test 9
6:6 Effects of Self-Heating 9
7 Metering performance 9
7:1 Reference conditions 9
7:2 Basic error 10
7:2:1 Requirement 10
7:2:2 Test method 12
7:3 Stability 13
7:3:1 Requirement 13
7:3:2 Test method 13
7:4 Measurement repeatability 14
7:5 Error limits caused by influence quantities 15
7:5:1 Requirement 15
7:5:2 Test method 16
8 Electromagnetic compatibility18
8:1 General requirements 18
8:2 Radio Interference Suppression 18
8:3 Electrostatic Discharge Immunity 19
8:4 Power frequency magnetic field immunity 19
9 Climate Adaptability19
10 Inspection Rules 20
11 Packaging, transportation and storage 20
11:1 Packaging and accompanying documents 20
11:2 Transportation 20
11:3 Storage 21
11:3:1 Storage environment 21
11:3:2 High temperature test 21
11:3:3 Low temperature test 21
Appendix A (Normative) Symbols for Standard Tables 22
Appendix B (Normative) Harmonic Impact Test 24
Appendix C (Normative) Inspection Items and Sequence 29
Reference 31
Figure B:1 Test circuit diagram (5th harmonic, interharmonic, higher harmonic, peak wave, square peak wave influence test) 24
Figure B:2 Square top wave waveform current amplitude 25
Figure B:3 Peak wave waveform current amplitude 26
Figure B:4 90° phase trigger waveform (odd harmonics) 27
Figure B:5 Harmonic content information distribution of 90° phase trigger waveform (incomplete Fourier analysis) 27
Figure B:6 Pulse train trigger waveform (interharmonics) 28
Figure B:7 Harmonic content information distribution of pulse train trigger waveform (incomplete Fourier analysis) 28
Table 1 Effective number of digits and resolution 4
Table 2 Surface temperature limits 6
Table 3 Electrical clearance and creepage distance 6
Table 4 Multiplication factor of electrical clearance below 5000m above sea level 6
Table 5 Nominal voltage value (Un) 7
Table 6 Recommended minimum current value 7
Table 7 fH value of standard table at rated input power 8
Table 8 Error deviation limit within 20 minutes for each grade standard table during self-heating influence test 9
Table 9 Reference conditions 10
Table 10 Voltage and current balance conditions 10
Table 11 Indication error limit 11
Table 12 Error limits for active power measurement 11
Table 13 Error limits for reactive power measurement 12
Table 14 Stability error limit 13
Table 15 Standard table test standard deviation 14
Table 16 Error offset limit caused by influence quantity 15
Table 17 Ambient temperature tolerance of each accuracy level standard table 20
Table 18 Relative humidity for normal operation of standard table 20
Table 19 Transportation Environmental Conditions 20
Table 20 Storage environment conditions 21
Table A:1 Signs and symbols for standard tables 22
Table B:1 Square top wave waveform parameters 25
Table B:2 Peak wave waveform parameters 26
Table C:1 Inspection items and sequence 29
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 for standardization documents"
Drafting:
This document replaces GB/T 17215:701-2011 "Standard Electric Energy Meter": Compared with GB/T 17215:701-2011, in addition to structural adjustments and
In addition to editorial changes, the main technical changes are as follows:
a) Added the following terms: instrument test device (see 3:1), AC standard watt-hour meter (see 3:2), minimum current (see 3:3), maximum current (see
3:4), nominal voltage (see 3:6) and nominal frequency (see 3:7), and changed the description of the term "nominal current of the range" (see 3:5,
GB/T 17215:701-2011, 3:7), deleted the term: stability of measurement error (see GB/T 17215:701-2011
3:2 of GB/T 17215:701-2011), repeatability (see 3:3 of GB/T 17215:701-2011), starting current (see
3:4) (Standard Electric Energy Meter) Automatic Range Switching (See 3:8 of GB/T 17215:701-2011) (Standard Electric Energy Meter) Non-Automatic Range Switching
Program switching (see 3:9 of GB/T 17215:701-2011);
b) Changed the “Classification of Standard Tables” (see Chapter 4, Chapter 4 of GB/T 17215:701-2011);
c) Added the requirements and test methods for "Protection against mechanical hazards" (see 5:2:1); deleted "Dust protection" (see GB/T 17215:701-
2011, 5:3:6) and “dust intrusion prevention test” (see 6:3:5 of GB/T 17215:701-2011);
d) The “vibration test” (see 5:2:2, 6:3:3 of GB/T 17215:701-2011) and the “impact test” (see 5:2:3,
GB/T 17215:701-2011, 6:3:2);
e) Deleted “heat resistance and flame retardant” (see 5:3:5 of GB/T 17215:701-2011) and “heat resistance and flame retardant test” (see
GB/T 17215:701-2011, 6:3:4);
f) Added the requirements and test methods for "prevention of flame spread" (see 5:2:4) and "surface temperature limit" (see 5:2:5); added
Requirements and test methods for "Electrical clearances and creepage distances" (see 5:2:6);
g) Added the requirements for “voltage measurement range” (see 6:1:1); added the requirements and test methods for “power supply” of the standard table (see
6:2); Added the requirements and test methods for "electrical energy pulse" (see 6:4);
h) Deleted "power loss" (see 5:4:1 of GB/T 17215:701-2011) and "power consumption test" (see GB/T 17215:701-
In 6:4:1) of:2011, the power loss of voltage lines and current lines only retains the "power consumption" of the power supply (see 6:3);
i) Added the “pulse voltage test” for the power supply port of the standard meter (see 6:5:3);
j) Deleted "overcurrent effect" (see 5:4:3:1 of GB/T 17215:701-2011) and "overcurrent effect test" (see
GB/T 17215:701-2011, 6:4:3:1), "overvoltage effects" (see GB/T 17215:701-2011, 5:4:3:2) and
"Overvoltage impact test" (see 6:4:3:2 of GB/T 17215:701-2011);
k) Deleted "temperature rise" (see 5:4:5 of GB/T 17215:701-2011) and "temperature rise test" (see GB/T 17215:701-2011
6:4:5), added the requirements and tests for "surface temperature limit" (see 5:2:5);
l) Deleted "sudden power failure" (see 5:4:2) and "sudden power failure test" (see 6:4:2);
m) The “basic error” (see 5:6:1 of GB/T 17215:701-2011) and the “basic error test” (see GB/T 17215:701-
2011 6:6:2) is merged into “Basic Error”, and the requirements for indication error are added (see 7:2:1);
n) “Stability” (see 5:6:3 of GB/T 17215:701-2011) and “24h deterioration test” (see
2011, 6:6:4:2), “Annual stability test” (see 6:6:4:3 of GB/T 17215:701-2011) are merged into “Stability” (see
7:3), changed "7h continuous working stability" (see 6:6:4:1 of GB/T 17215:701-2011) to "8h continuous working stability"
stability” (see 7:3:2:2);
o) Deleted the error change caused by the influence of the "change caused by the measurement line voltage change ± 10%" (see
GB/T 17215:701-2011, 6:6:5:1), "Measurement of the change caused by a ±2% change in line frequency" (see GB/T 17215:701-
2011, 6:6:5:2), "Change caused by a ±5% change in the auxiliary power frequency" (see GB/T 17215:701-2011
6:6:5:7), "Changes caused by the phase exchange of auxiliary power supply" (see 6:6:5:8 of GB/T 17215:701-2011), "Auxiliary power
Change caused by source polarity interchange" (see 6:6:5:9 of GB/T 17215:701-2011);
p) Added "square-top wave waveform test in voltage and current circuits" (see 7:5:2:5), "spike-top wave waveform test in voltage and current circuits"
"Influence" (see 7:5:2:6), "Influence of high-order harmonics in voltage and current lines" (see 7:5:2:7), "Interharmonics in current lines
"Influence" (see 7:5:2:9), "Influence of rapid change of load current" (see 7:5:2:11);
q) Changed the criteria of "5th harmonic influence in voltage and current lines" and "Odd harmonic and subharmonic influence in current lines"
Technical requirements and test methods for accuracy grade standard tables (see Table 14, 6:6:5:4 and
6:6:5:5);
r) Added the requirements and test methods for "power frequency magnetic field immunity" (see 8:3);
s) Changed “temperature range and relative humidity” (see 5:2 of GB/T 17215:701-2011) to “climate adaptability” (see Chapter 9);
t) The inspection rules for standard tables have been changed from random inspection to full inspection, and the inspection types are factory inspection and type test (see Section 10):
Chapter 7 of GB/T 17215:701-2011);
u) Added the requirements and test methods for "transportation" (see 11:2); deleted the "product instructions" (see GB/T 17215:701-
8:4 of:2011):
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the China Machinery Industry Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Electrical Instruments (SAC/TC104):
This document was drafted by: Harbin Electric Instrument Research Institute Co:, Ltd:, Shenzhen Kelu Precision Instrument Co:, Ltd:, Zhejiang Hanpu Electric Power
Technology Co:, Ltd:, Zhengzhou Sanhui Electronic Technology Co:, Ltd:, Qingdao Dingxin Communication Co:, Ltd:, Yantai Dongfang Weston Electric Co:, Ltd:
Ltd:, Wuxing Technology (Shenzhen) Co:, Ltd:, China National Institute of Metrology, Heilongjiang Electrical Instruments Engineering Technology Research Center Co:, Ltd:
Company, Zhejiang Hengye Electronics Co:, Ltd:, State Grid Sichuan Electric Power Company Marketing Service Center, State Grid Chongqing Electric Power Company Marketing Service Center, Shenzhen
Shenzhen Kelu Electronic Technology Co:, Ltd:, Ante Instrument Group Co:, Ltd:, Shandong Institute of Metrology, Hangzhou DeChuang Electronics Co:, Ltd:
Co:, Ltd:, Huali Technology Co:, Ltd:, Yunnan Power Grid Co:, Ltd: Measurement Center, Yunnan Power Grid Co:, Ltd: Electric Power Science
Research Institute, Shenzhen Longdian Electric Co:, Ltd:, Hangzhou Juhua Technology Co:, Ltd:, China Southern Power Grid Digital Grid Research Institute Co:, Ltd:, Yunnan
Power Grid Co:, Ltd:, Delixi Group Instrument Co:, Ltd:, Qingdao Qiancheng Technology Co:, Ltd:, State Grid Shanxi Electric Power Company
Marketing Service Center, Chengdu Great Wall Development Technology Co:, Ltd:, Jiangsu Huapeng Intelligent Instrument Technology Co:, Ltd:, Anhui NARI Zhongtian
Power Electronics Co:, Ltd:, Jiangsu Kaowanhong Electronics Co:, Ltd:, Zhongnan Instrument Co:, Ltd:, Jiangyin Zhonghe Electric Instrument Co:, Ltd:, China Electric
Equipment Shandong Electronics Co:, Ltd: and Zhejiang Chentai Technology Co:, Ltd:
The main drafters of this document are: Zhao Qiankun, Wang Xiang, Wang Lei, Diao Ruipeng, Luo Yurong, Lv Fugang, Yang Mei, Wang Huiwu, Li Xiaojun, Cheng Yingying,
Chen Wenxin, Yao Wenbo, Hu Meng, Liu Qingchan, Wei Ling, Zhang Zongji, Zhou Fan, Wu Liyun, Lu Yu, Zhu Hong, Hou Qingquan, Yu Wenbiao, Yan Yaofeng, Li Yunshui,
Zhang Bensong, Shen Xin, Zhou Yuebu, Shan Baohua, Ren Yulu, Han Xia, Li Jing, He Letao, Yi Sixing, Zhao Wei, Zhu Kao, Lin Zhonghao, Su Dongliang, Zhang Zaiguo,
Thunder:
The previous versions of this document and the documents it replaces are as follows:
--- This document was first published in July:2011 as GB/T 17215:701-2011;
AC standard energy meter
1 Scope
This document specifies the classification, mechanical properties, electrical properties, metering properties, electromagnetic compatibility, and other characteristics of standard AC electric energy meters (hereinafter referred to as "standard meters"):
It describes the requirements of the packaging, transportation and storage, etc:
content:
This document is applicable to newly manufactured electrical networks with a frequency of 50Hz (or 60Hz) and a voltage not exceeding 600V in a controlled environment
Design, production, manufacture, use and testing of standard AC electric energy meters:
Note 1: The above voltage is the line-to-neutral voltage obtained from the nominal voltage, see Table 7 of GB/T 17215:231-2021:
Note 2: A controlled environment refers to a place with temperature, humidity regulation or electromagnetic shielding measures, usually including laboratories, production workshops, etc:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
GB/T 2423:1-2008 Environmental testing for electric and electronic products Part 2: Test methods Test A: Low temperature
GB/T 2423:2-2008 Environmental testing for electric and electronic products Part 2: Test methods Test B: High temperature
GB/T 2423:4-2008 Environmental testing for electric and electronic products Part 2: Test methods Test Db: Cyclic damp heat (12h
12h cycle)
GB/T 2423:5-2019 Environmental testing Part 2: Test method Test Ea and guidance: Impact
GB/T 2423:10-2019 Environmental testing Part 2: Test methods Test Fc: Vibration (sinusoidal)
GB/T 4208-2017 Enclosure protection degree (IP code)
GB/T 5169:11-2017 Fire hazard tests for electric and electronic products Part 11: Basic test methods for glowing wire/hot wire
Glow Wire Flammability Test Method for Products (GWEPT)
GB/T 13384 General technical requirements for packaging of electromechanical products
GB/T 16927:1-2011 High voltage test technology Part 1: General definitions and test requirements
GB/T 16935:1-2008 Insulation coordination for equipment in low voltage systems Part 1: Principles, requirements and tests
GB/T 17215:231-2021 Electrical measuring equipment (AC) General requirements, tests and test conditions Part 31: Product safety
Requirements and tests
GB/T 17626:2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test
GB/T 25480-2010 Basic environmental conditions and test methods for transportation and storage of instruments and meters
IEC 61000-4-8:2009 Electromagnetic compatibility Part 4-8: Testing and measurement techniques Power frequency magnetic field immunity test [Electro-
3 Terms and definitions
The terms and definitions defined in GB/T 17215:211-2021 and the following apply to this document:
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