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GB/T 19862-2025: General requirements for monitoring equipment of power quality
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GB/T 19862: Evolution and historical versions
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| GB/T 19862-2025 | English | 759 |
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General requirements for monitoring equipment of power quality
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GB/T 19862-2025
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| GB/T 19862-2016 | English | 559 |
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General requirements for monitoring equipment of power quality
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GB/T 19862-2016
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| GB/T 19862-2005 | English | 639 |
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General requirements for monitoring equipment of power quality
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GB/T 19862-2005
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Standard similar to GB/T 19862-2025
GB/T 19862 GB/T 50034 GB/T 50082 Basic data
| Standard ID | GB/T 19862-2025 (GB/T19862-2025) |
| Description (Translated English) | General requirements for monitoring equipment of power quality |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | F20 |
| Classification of International Standard | 17.220.20 |
| Word Count Estimation | 38,392 |
| Date of Issue | 2025-10-05 |
| Date of Implementation | 2026-02-01 |
| Older Standard (superseded by this standard) | GB/T 19862-2016 |
| Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China |
GB/T 19862-2025: General requirements for monitoring equipment of power quality
---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
CCSF20
National Standards of the People's Republic of China
Replaces GB/T 19862-2016
General requirements for power quality monitoring equipment
Published on 2025-10-05
Implemented on February 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Classification and Grading 2
4.1 Classification 2
4.2 Classification 3
5.Technical Requirements 3
5.1 Basic Functional Requirements 3
5.2 Measurement Methods and Data Storage
5.3 Accuracy Requirements 6
5.4 Electrical performance requirements 8
5.5 Climate and Environmental Conditions 9
5.6 Shell and Mechanical Properties 9
5.7 Electrical safety performance 10
5.8 Electromagnetic Compatibility (EMC) 11
5.9 Mean Time Between Failures (MTBF) 11
5.10 Grounding Requirements 11
6.Experiment 11
6.1 Test conditions and procedures 11
6.2 Basic Functional Test 11
6.3 Maximum permissible error 12
6.4 Electrical performance test 14
6.5 Climate Protection Experiment 14
6.6 Shell and Mechanical Performance Tests 14
6.7 Electrical safety performance test 15
6.8 Electromagnetic compatibility test 15
7.Inspection Rule 16
7.1 Factory Inspection 16
7.2 Type Testing 16
7.3 Inspection Item 16
8.Marking, Packaging, Transport and Storage 17
8.1 Product Marking 17
8.2 Packaging 17
8.3 Transportation and Storage 18
Appendix A (Informative) Power Quality Data Model 19
Appendix B (Informative) Power Quality Data Exchange File (PQDIF) File Model 23
Appendix C (Informative) Example 25 of Peak Coefficient
Appendix D (Informative) Example 26 of Tests on the Maximum Permissible Error of Steady-State Power Quality
References 32
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document replaces GB/T 19862-2016 "General Requirements for Power Quality Monitoring Equipment". Compared with GB/T 19862-2016, except for the structural...
Aside from structural adjustments and editorial changes, the main technical changes are as follows.
---The definitions of terms have been changed. power quality monitoring equipment (see 3.1,.2016 edition), and influence (see 3.3,.2016 edition).
3.5) Scope of impact (see 3.4, 3.6 in the.2016 edition);
---The term and its definition have been removed. Limiting operating conditions (see 4.2 in the.2016 edition);
---The following terms and their definitions have been changed. "time accumulation" has been changed to "time aggregation" (see 3.5, 3.7 in the.2016 edition); "wave" has been changed to "time aggregation" (see 3.5, 3.7 in the.2016 edition);
The term "peak coefficient" has been changed to "peak value coefficient" (see 3.7, 3.10 in the.2016 edition);
---The measurement section has been removed (see section 4.2 of the.2016 version);
---Added signal interface requirements for electromagnetic instrument transformers (see 5.1.3.3);
---Added satellite time synchronization requirements (see 5.1.7.1 and 5.1.7.2,.2016 versions of 5.1.7.1 and 5.1.7.2);
---Added requirements for transient power quality record storage (see 5.2.3.2);
---The formula for calculating voltage deviation error has been changed (see Table 2 in 5.3.1.2, Table 2 in the.2016 version of 5.3.1.2);
---Harmonic phase error requirements have been added (see Table 3 in 5.3.1.2);
---It has been added that monitoring equipment should ideally have watchdog functionality and communication failure alerts (see 5.4.4.3);
---The extreme ambient temperature requirements have been removed (see Tables 6 and 7 in the.2016 edition);
---The test method for the maximum permissible error of harmonic current has been modified, and testing requirements for the 35th, 37th, and 49th harmonic currents have been added for Class A equipment.
(See 6.3.2,.2016 edition of 6.3.2).
This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Voltage and Current Levels and Frequency (SAC/TC1).
The main drafting units of this document are. Xi'an Boyu Electric Co., Ltd., China Machinery Research Institute of Standards and Technology (Beijing) Co., Ltd., and State Grid Fujian.
Provincial Electric Power Company Electric Power Research Institute, China Railway Fourth Survey and Design Institute Group Co., Ltd., China Railway Shanghai Design Institute Group Co., Ltd.
Xuchang Kaipu Testing and Research Institute Co., Ltd., State Grid Shanxi Electric Power Research Institute, China Southern Power Grid Yunnan Power Grid Co., Ltd.
The company's partners include Kunming Power Supply Bureau, China Railway Engineering Design & Consulting Group Co., Ltd., Nanjing Caneng Electric Automation Co., Ltd., Anhui University, and Shenzhen.
Tangshan Power Technology Co., Ltd., State Grid Hebei Electric Power Co., Ltd. Tangshan Power Supply Company, and Guangdong Power Grid Co., Ltd. Guangzhou Power Supply Company
Electric Power Research Institute of China Electric Power Research Institute, NARI Group Corporation, Zhejiang Bohua Electric Power Design Institute Co., Ltd., and Guangdong Power Grid Corporation of China Electric Power Department
Research Institute of Anhui University, Yunnan Power Grid Co., Ltd. Electric Power Research Institute, Guangxi Power Grid Co., Ltd. Electric Power Research Institute, Anhui University
Qingneng Electric Technology Co., Ltd., Hefei Institutes of Physical Science, Chinese Academy of Sciences, Shandong University, Guangxi Power Grid Co., Ltd. Electric Power Science
Research Institute, China Railway First Survey and Design Institute Group Co., Ltd., Xi'an Jiaotong University, Xi'an Kepai Electric Co., Ltd., State Grid Anhui Electric Power Co., Ltd.
Limited Electric Power Research Institute and Nanjing Lefan Electric Technology Co., Ltd.
The main drafters of this document are. Liu Juncheng, Zhang Ping, Lin Yan, Cui Yongqiang, Luo Liping, Liu Shaojing, Chang Xiao, He Mi, Wei Hongwei, and Yu Youyi.
Zhu Mingxing, Wang Xin, Zhang Jianjun, Ma Zhiyuan, Meng Zhaojun, Sun Hao, Wang Ling, Qin Risheng, Guo Min, Gao Min, Wu Yanan, Sun Yuanyuan, Jin Qingren, Du Wanlin,
Huang Wenxun, Yi Hao, Li Yu, Wang Xiaoming, Zhang Haihua.
The release history of this document and the document it replaces is as follows.
---First published in.2005 as GB/T 19862-2005, and revised for the first time in.2016;
---This is the second revision.
General requirements for power quality monitoring equipment
1 Scope
This document specifies the classification and grading of power quality monitoring equipment (hereinafter referred to as "monitoring equipment"), its technical requirements, and describes the corresponding test procedures.
The document outlines testing methods and specifies inspection rules, marking, packaging, transportation, and storage.
This document applies to fixed and portable monitoring equipment used in AC power systems, as well as other equipment with power quality monitoring functions.
The equipment should be operated according to the instructions.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 191 Pictorial Symbols for Packaging and Storage
GB/T 2423.1 Environmental testing of electrical and electronic products – Part 2.Test methods – Test A. Low temperature
GB/T 2423.2 Environmental testing of electrical and electronic products – Part 2.Test methods – Test B. High temperature
GB/T 2423.4 Environmental testing of electrical and electronic products – Part 2.Test methods – Test Db. Alternating damp heat (12h)
cycle)
GB/T 2423.5 Environmental testing of electrical and electronic products – Part 2.Test methods, Test Ea and guidelines. Impact
GB/T 2423.10 Environmental testing of electrical and electronic products – Part 2.Test methods – Test Fc. Vibration (sine wave)
GB/T 4208 Degrees of protection provided by enclosures (IP code)
GB/T 17626.2 Electromagnetic compatibility testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility testing and measurement techniques - Radio frequency electromagnetic field radiated immunity test
GB/T 17626.4 Electromagnetic compatibility testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility testing and measurement techniques - Surge (impulse) immunity test
GB/T 17626.30 Electromagnetic compatibility testing and measurement techniques - Power quality test methods
GB/T 18039.4 Electromagnetic Compatibility Environment - Compatibility Level of Low-Frequency Conducted Interference in Factories
GB/T 20840.7 Instrument Transformers - Part 7.Electronic Voltage Transformers
GB/T 20840.8 Instrument Transformers - Part 8.Electronic Current Transformers
GB/T 30137 Power Quality - Voltage Surge, Voltage Sag and Short Interruption
DL/T 860 (All Parts) Substation Communication Networks and Systems
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
This is a specialized device for monitoring power quality indicators by analyzing and processing the introduced voltage and current signals.
Note. Online power quality monitoring equipment is also called online power quality monitoring device or power quality monitoring terminal.
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