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GB/T 38659.5-2025: Electromagnetic compatibility - Risk assessment - Part 5: 150 kHz~30 MHz conducted disturbance
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Electromagnetic compatibility - Risk assessment - Part 5: 150 kHz~30 MHz conducted disturbance
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GB/T 38659.5-2025
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Basic data | Standard ID | GB/T 38659.5-2025 (GB/T38659.5-2025) | | Description (Translated English) | Electromagnetic compatibility - Risk assessment - Part 5: 150 kHz~30 MHz conducted disturbance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L06 | | Classification of International Standard | 33.100 | | Word Count Estimation | 18,174 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38659.5-2025: Electromagnetic compatibility - Risk assessment - Part 5: 150 kHz~30 MHz conducted disturbance
---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 33.100
CCSL06
National Standard of the People's Republic of China
Electromagnetic compatibility risk assessment
Part 5.Conducted disturbances from 150kHz to 30MHz
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 3
4.1 Product and system classification 3
4.2 Tool Requirements 3
5 Conducted Disturbance Risk Assessment Procedure 4
6 Conducted disturbance risk assessment port 4
7 Division of conducted disturbance risk assessment units 5
8 Conducted disturbance risk assessment risk indicator level 5
8.1 Class A equipment 5
8.2 Class B equipment 6
8.3 Vehicle, ship and internal combustion engine parts/modules 7
9 Ideal Model for Conducted Disturbance Risk Assessment 8
10 Conducted disturbance risk factors 9
11 Conducted disturbance risk analysis 9
12 Conducted disturbance risk assessment 10
13 Reporting requirements12
Reference 13
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 is part 5 of GB/T 38659 "Electromagnetic Compatibility Risk Assessment". GB/T 38659 has published the following parts.
--- Part 1.Electrical and electronic equipment;
--- Part 2.Electrical and electronic systems;
--- Part 3.Equipment risk analysis method;
--- Part 4.System risk analysis methods;
--- Part 5.Conducted disturbances from 150kHz to 30MHz.
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 is proposed and coordinated by the National Technical Committee for Radio Interference Standardization (SAC/TC79).
This document was drafted by. Shanghai Electric Science Research Institute, Dalian Zongyi Technology Co., Ltd., Shanghai Robotics Industry Technology Research Institute
Co., Ltd., Shenzhen Anweipu Technology Co., Ltd., Zhejiang Qianjiang Robot Co., Ltd., Nanjing Panda Electronics Co., Ltd., Guangdong Province
Zhuhai Quality and Metrology Supervision and Inspection Institute, Zhongrui Technology Co., Ltd., China Automotive Research Institute Automobile Inspection Center (Changzhou) Co., Ltd., Shenzhen Tengyuan
Zhituo Electronics Co., Ltd., Shanghai Electrical Equipment Testing Institute Co., Ltd., China Automotive Research Institute New Energy Vehicle Inspection Center (Tianjin) Co., Ltd., Xi'an
Qingan Aviation Electronics Co., Ltd., Jiangsu Electronic Information Product Quality Supervision and Inspection Institute, China Automotive Engineering Research Institute Co., Ltd.
Shanghai Medical Device Inspection Institute, Wuhan Branch of China Electric Power Research Institute Co., Ltd., Shenzhen Zhenhua Microelectronics Co., Ltd.,
Guangdong Gaofeng Technology Co., Ltd., Changzhou Hongguang Energy Technology Co., Ltd., Chaoyue Technology Co., Ltd., Aotu Technology Co., Ltd.
Co., Ltd., Ningde Tebo Motor Co., Ltd., Shanghai Electric Research Institute (Group) Co., Ltd., Shenzhen Helishi Intelligent Equipment Co., Ltd.,
Shenzhen Lianming Power Supply Co., Ltd., Shaoxing Yiqiang Electric Technology Co., Ltd., Xiamen Coster Electronics Co., Ltd., Huzhou Jiuding Electric
Co., Ltd., Shenzhen Longxingchen Power Supply Co., Ltd., Shanghai Wireless Radio Testing Laboratory Co., Ltd., Tianjin Aerospace Ruilai Technology Co., Ltd.
Co., Ltd., Shenzhen Zhiyouting Technology Co., Ltd., Shenzhen Yansheng Xinkong Electronic Technology Co., Ltd., Shenzhen Xinguang Xinzhi Device Co., Ltd.,
Cixi Yueda Electronic Technology Co., Ltd., Shenzhen Jinyu Technology Co., Ltd., Luoding Baojie Electronics Co., Ltd., Shenzhen Qiaotong IoT Technology
Co., Ltd., Shenzhen Tongxin Technology Co., Ltd., Shenzhen Siken 3D Technology Development Co., Ltd., Shenzhen WeiChuang Hi-Tech Electronics Co., Ltd.
Limited Company, Leiden Elevator Co., Ltd., Guigang Jialong Haijie Electronic Technology Co., Ltd., Shenzhen Shenggena Electronics Co., Ltd., Shenzhen Lan
Special Circuit Board Co., Ltd., Hangzhou Youlai Technology Co., Ltd., Shenzhen Jiemeikang Electromechanical Co., Ltd., Shenzhen Nengxiao Electrical Technology Co., Ltd.
Co., Ltd., Zhejiang Ruigao New Materials Co., Ltd.
The main drafters of this document are. Zheng Junqi, Wang Pengcheng, Chen Hao, Bie Tijun, Liu Chang, Li Yang, Liang Guansheng, Pan Renxing, Yu Jintao, Liu Daoxuan,
Yu Chao, Guo Jiandong, Huo Yanning, Meng Fanjun, Zeng Xia, Lu Weiwei, Yuan Tian, Zhang Tianhui, Huang Feng, Liu Jiangang, Zhang Lei, Xie Meng, Lin Lijin, Tian Tian,
Zhou Huaguo, Zhang Zhenwei, Jiang Zongyi, Ming Guangxi, Chen Jinhua, Hao Chengjun, Qian Chong, Yang Manjun, Lu Jiyong, Zhong Huang, Zhu Xuejun, Niu Junying, Ren Yi,
Ning Guohu, Zhang Yunchao, He Qinglong, Xue Chunlan, Su Xianhong, Xie Liwei, Liu Haicheng, Yao Qian, Wang Bugao, Zhang Lei, Wei Zeming, Wang Jinjin, and Zhai Zhongjie.
Introduction
Electromagnetic compatibility (EMC) risk assessment technology is based on EMC design methods and uses common risk assessment methods to
The risk assessment procedure is to classify risk levels, establish an ideal model for equipment design, and determine risk factors to identify EMC risks.
GB/T 38659 "Electromagnetic Compatibility Risk Assessment" aims to provide physical model-based analysis and suggestions for effective EMC risk response.
It consists of five parts.
--- Part 1.Electrical and electronic equipment. The purpose is to give the electromagnetic compatibility risk assessment of electrical and electronic equipment.
--- Part 2.Electrical and electronic systems. The purpose is to assess the electromagnetic compatibility risk of a given electrical and electronic system.
--- Part 3.Equipment risk analysis method. The purpose is to analyze the risk of electrical and electronic equipment.
--- Part 4.System risk analysis method. The purpose is to analyze the risk of electronic and electrical systems.
--- Part 5.Conducted disturbances from 150kHz to 30MHz. The purpose is to provide a frequency range of 150kHz to 30MHz
Risk assessment method for conducted disturbance electromagnetic compatibility (EMC).
Electromagnetic compatibility risk assessment
Part 5.Conducted disturbances from 150kHz to 30MHz
1 Scope
This document specifies the general requirements, procedures, ports, unit divisions, risk indicator levels, ideal models, requirements, and
factors, risk analysis and risk assessment and reporting requirements.
This document is applicable to the risk assessment of conducted disturbances (frequency range 150kHz~30MHz) of various products, including those used in industry,
Equipment in the fields of science, medicine, rail transportation equipment, household appliances and similar appliances, multimedia equipment, vehicles, ships and internal combustion engine parts
Pieces, etc.
2 Normative references
The contents of the following documents constitute 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 4343.1-2024 Electromagnetic compatibility requirements for household appliances, electric tools and similar appliances Part 1.Emission
GB/T 4365-2024 Electrical terminology - Electromagnetic compatibility
GB 4824 Limits and measurement methods of radio frequency disturbance characteristics of industrial, scientific and medical equipment
GB/T 9254.1-2021 Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers Part 1.Emission requirements
GB/T 17743-2021 Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
GB 17799.3-2023 General standard for electromagnetic compatibility Part 3.Emissions of equipment in residential environments
GB 17799.4-2022 General electromagnetic compatibility standard Part 4.Emissions in industrial environments
GB/T 18655 Radio disturbance characteristics of vehicles, ships and internal combustion engines - Limits and measurement methods for protecting on-board receivers
GB/T 38659 (all parts) Electromagnetic compatibility risk assessment
GB/T 38659.1-2020 Electromagnetic compatibility risk assessment Part 1.Electrical and electronic equipment
3 Terms and definitions
The terms and definitions defined in GB/T 4365-2024 and GB/T 38659 (all parts) and the following apply to this document.
3.1
Conducted disturbance
Electromagnetic disturbance that transfers energy through one or more conductors.
[Source. GB/T 4365-2024, 3.3.27]
3.2
Risk Index Level riskindexlevel
Determined based on the electromagnetic compatibility requirements of the product application environment.
Note. There is a one-to-one correspondence between risk indicators and test levels.
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