GB/T 44992-2024 English PDFUS$839.00 ยท In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 44992-2024: Testing equipment for harmonic meters of active energy Status: Valid
Basic dataStandard ID: GB/T 44992-2024 (GB/T44992-2024)Description (Translated English): Testing equipment for harmonic meters of active energy Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: N29 Classification of International Standard: 17.220.20 Word Count Estimation: 42,458 Date of Issue: 2024-12-31 Date of Implementation: 2025-07-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 44992-2024: Testing equipment for harmonic meters of active 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 CCSN29 National Standard of the People's Republic of China Harmonic active energy meter testing device Released on 2024-12-31 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Categories 3 4.1 According to accuracy level 3 4.2 By Phase 3 5 Structure and mechanical properties 3 5.1 Appearance 3 5.2 Wall Meter System 4 5.3 Mechanical protection 4 5.4 Mechanical properties 5 6 Electrical performance 6 6.1 Power supply 6 6.2 Device Output 6 6.3 Error calculation 11 6.4 Output signal monitoring 12 6.5 Insulation 12 6.6 Magnetic Field Generated by the Device 13 6.7 Thermal stability 13 7 Metering performance 14 7.1 Accuracy requirements for working standard tables 14 7.2 Reference conditions 14 7.3 Basic error 15 7.4 Influence 18 7.5 Measurement repeatability 20 7.6 Stability 21 7.7 Multi-channel output consistency 22 7.8 Monitoring system indication error 23 8 Electromagnetic compatibility24 8.1 General requirements 24 8.2 Radio Interference Suppression 24 8.3 Electrostatic discharge immunity 25 8.4 Power frequency magnetic field immunity 25 9 Climate conditions 25 9.1 Normal Climate Conditions 25 9.2 Special climatic conditions 26 10 Inspection Rules 26 10.1 Inspection categories 26 10.2 Factory Inspection 26 10.3 Type inspection 26 11 Packaging, transportation and storage 26 11.1 Packaging 26 11.2 Transportation26 11.3 Storage 26 Appendix A (Informative) Typical Schematic Block Diagram of the Device 28 Appendix B (Normative) Typical waveforms of combined harmonics 29 Appendix C (Normative) Items for factory inspection and type inspection of equipment 36 Reference 37ForewordThis 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. Please note that some of the contents of this document may involve patents. The publisher 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. Power Supply Service Management Center of State Grid Jiangxi Electric Power Co., Ltd., Harbin Electric Instrument Research Institute Co., Ltd., Zhejiang Hanpu Electric Power Technology Co., Ltd., Shenzhen Xinglong Technology Co., Ltd., Shenzhen Kelu Electronic Technology Co., Ltd., Shanghai Zhiying Intelligent Technology Co., Ltd., Zhejiang Hengye Electronics Co., Ltd., Guangdong Power Grid Co., Ltd. Measurement Center, Heilongjiang Provincial Electric Power Instrument and Meter Engineering Technology Research Center Co., Ltd., Ningbo Weiji Electric Power Technology Co., Ltd., Yantai Dongfang Weston Electric Co., Ltd., China Electric Power Research Institute Co., Ltd., Shenzhen Longdian Electric Co., Ltd., Delixi Group Instrument Co., Ltd., Yunnan Power Grid Co., Ltd. Company, Huali Technology Co., Ltd., Ningbo Canaan Intelligent Electric Co., Ltd., Qingdao Qiancheng Technology Co., Ltd., Taiyuan Youteok Electronic Technology Co., Ltd., State Grid Sichuan Electric Power Company Marketing Service Center, State Grid Sichuan Electric Power Company Guang'an Power Supply Company Co., Ltd., Yima Electric Energy Measurement Technology (Beijing) Co., Ltd., Guangdong Haoningda Industrial Co., Ltd., Zhengzhou Sanhui Electric Co., Ltd., Guangzhou Nan Network Research and Technology Co., Ltd., Sichuan University, China Electronics Equipment Shandong Electronics Co., Ltd., Chongqing Huahong Instrument Co., Ltd., Zhejiang Songxia Instrument State Grid Gansu Electric Power Company Tianshui Power Supply Company, State Grid Anhui Electric Power Company Fuyang Power Supply Company, Anhui Rongzhaozhi Energy Co., Ltd., Zhejiang Chentai Technology Co., Ltd., and Zhongnan Instrument Co., Ltd. The main drafters of this document are. Ma Jian, Guo Chuang, Leng Xuedao, Hu Tao, Huang Jianzhong, Cheng Guosheng, Lu Jun, Sun Linzhong, Pan Feng, Wang Huiwu, Wu Weizong, Wang Jundong, Li Helong, Ma Jian, Yao Guojun, Liu Qingchan, Shen Xin, Chen Wenxin, Zeng Shitu, Zhang Enyou, Chu Fugang, Cao Rui, Li Xiaojun, Meng Yuan, Guo Yuehang, Liu Lina, He Peidong, Zhou Jun, Yu Wenbiao, Yang Yuyao, Yin Jiayue, Wang Ying, Yu Lingang, Cui Chao, Miao Xing, Feng Shaoyong, Ye Pengcheng, Kang Jian, Nie Shiguang, Zhang Shaolei, Wang Taofeng, and Lin Keteng. Harmonic active energy meter testing device1 ScopeThis document specifies the classification, structure and mechanical performance, electrical performance, metering The quality performance, electromagnetic compatibility, climatic conditions, inspection rules and packaging, transportation and storage requirements are described, and the corresponding test methods are described. This document applies to newly manufactured harmonic active energy meter testing devices used in laboratory environments.2 Normative referencesThe 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 4208-2017 Enclosure protection degree (IP code) GB 4824-2019 Limits and measurement methods of radio frequency disturbance characteristics of industrial, scientific and medical equipment 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 13384-2008 General technical requirements for packaging of electromechanical products GB/T 16935.1-2023 Insulation coordination for equipment in low-voltage power supply systems Part 1.Principles, requirements and tests GB/T 17045-2020 General part of electric shock protection devices and equipment GB/T 17215.211-2021 Electrical measuring equipment (AC) General requirements, tests and test conditions Part 11.Measuring equipment GB/T 17215.302-2024 Electrical measuring equipment (AC) Particular requirements Part 2.Static harmonic active energy meters GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.8-2006 Electromagnetic compatibility test and measurement technology Power frequency magnetic field immunity test3 Terms and definitionsThe terms and definitions defined in GB/T 17215.211-2021 and GB/T 17215.302-2024 and the following apply to this document. 3.1 All equipment combinations that provide test signals to the meter under test and measure its fundamental wave active electric energy and harmonic active electric energy measurement errors. 3.2 Working standard meter working standard meter An instrument used in the device to measure fundamental wave active electric energy and harmonic active electric energy. 3.3 A standard table used to determine the accuracy of a device. NOTE Reference standards are usually designed and operated in a controlled laboratory environment to achieve high accuracy and stability. 3.4 Harmonic source The device is used to provide fundamental voltage, harmonic voltage, fundamental current and harmonic current test signals to the working standard meter and the meter under test. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 44992-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 44992-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 44992-2024_English with my colleagues?Answer: Yes. 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