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GB/T 37150-2025Electromagnetic compatibility — Risk assessment — Basic requirements (English PDF)

电磁兼容 风险评估 基本要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

November 1, 2025

Scope

GB/T 37150-2025 is the English-translated version of 电磁兼容 风险评估 基本要求.

GB/T 37150-2025 is the Chinese national standard covering judging how likely a product or an installation is to have an electromagnetic compatibility problem before it is tested — the equipment, system and engineering site levels at which the assessment is made, the ideal model the real case is compared against, the identification, analysis and evaluation steps, the risk assessment value built from the emission and immunity sides together with the type of location, the tools, and the report. A risk factor here is the probability that a product fails an EMC test because of the way it was designed. It replaces GB/Z 37150-2018, which was a guiding document: the subject has been promoted to a recommended standard. In force from 1 November 2025. Issued on 25 April 2025, it has been in force since 1 November 2025, replacing GB/Z 37150-2018.

Document preview — GB/T 37150-2025

National Standard of the People's Republic of China

ICS
33.100
Classification
L 06
Replacing
GB/Z 37150-2018

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • PrefaceIII
  • 1 Scope1
  • 2 Normative references1
  • 3 Terms and Definitions1
  • 4 Purpose and role of EMC risk assessment2
  • 4.1 Overview2
  • 4.2 Purpose and Function2
  • 5 EMC risk assessment objects3
  • 6 EMC ideal model3
  • 7 EMC risk assessment process3
  • 7.1 Overview3
  • 7.2 Preparation for EMC risk assessment4
  • 7.3 EMC risk identification4
  • 7.4 EMC risk analysis5
  • 7.5 EMC risk assessment6
  • 7.6 Other activities6
  • 8 EMC Risk Assessment Tools6
  • 9 EMC risk assessment results7
  • 10 EMC risk assessment report requirements7
  • Appendix A (Informative) EMC Risk Management8
  • Appendix B (Informative) Examples of EMC risk assessment tools10
  • Reference12

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 /Z 37150-2018 "Guidelines for Risk Assessment of Electromagnetic Compatibility Reliability". Compared with GB /Z 37150-2018, In addition to structural adjustments and editorial changes, the main technical changes are as follows.

— Added the terms "electromagnetic compatibility risk assessment" and "risk assessment value", changed the definitions of the terms "ideal model" and "risk factor", deleted In addition to the term “risk criteria” (see Chapter 3, Chapter 3 of the 2018 edition);

— Changed the system-level EMC risk assessment requirements (see Chapter 5, Chapter 5 of the 2018 edition);

— Changed "risk criteria" to "EMC ideal model" and deleted the content related to "risk criteria" (see Chapter 6, 2018 edition Chapter 6);

— Changed the risk factor level and risk impact level of qualitative EMC risk analysis (see 7.4 and 7.5.2, 2018 edition 7.4 and 7.5.2);

— Added "MC risk level should be determined by the EMC risk assessment value of the equipment, system and engineering site (including EMS risk assessment value and EMI risk assessment value) and the type of application location. "(see 7.5.2);

— Added "other EMC risk assessment activities" (see 7.6);

— Added “EMC risk assessment results” (see Chapter 9).

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, China National Accreditation Service for Conformity Assessment, Yuntian Intelligent Information (Shenzhen) Co., Ltd.

Shenzhen Jiuzhou Zhuoneng Electric Co., Ltd., Shenzhen Chuangrong New Energy Co., Ltd., State Grid Sichuan Electric Power Company Marketing Service Center, Ward Testing (Guangdong) Co., Ltd., Fujian Special Equipment Inspection Institute, Shanghai Hollewo Electronic System Technology Co., Ltd., Shenzhen Langchi Xinchuang Technology Co., Ltd., Shanghai Wuwei Radio Testing Laboratory Co., Ltd., Shenzhen Zhiwei Intelligent Technology Co., Ltd.

Co., Ltd., COSCO SHIPPING Technology Co., Ltd., Shenzhen Suoyuan Technology Co., Ltd., Shenzhen Tianlong Century Technology Development Co., Ltd., Zhejiang Qun Power Electric Co., Ltd., Shenzhen Yuntian Intelligent Communication Co., Ltd., Dongguan Xinbao Electronic Product Testing Co., Ltd., Shanghai Robot Industry Technology Technology Research Institute Co., Ltd., Shenzhen Luxun Technology Co., Ltd., Shenzhen Jiaxian Communication Technology Co., Ltd., Shenzhen Shentai Weixiang Electronics Co., Ltd., Shanghai Electric Science Research Institute (Group) Co., Ltd., Shenzhen Saisheng Technology Co., Ltd., China Electronics Technology Standardization Research Institute, Shanghai Electrical Equipment Testing Institute Co., Ltd., Shaoxing Weicodo Electrical Co., Ltd., Guangdong Vino Electrical Co., Ltd., Shenzhen Meisiwei Semiconductor Co., Ltd., Shenzhen Haoying Technology Co., Ltd., Shandong Xinyou Electric Co., Ltd., China Railway Third Engineering Bureau Group Electric Engineering Co., Ltd.

Company, Daming Electronics Co., Ltd., Shenzhen Xiaoyingtao Industrial Co., Ltd., Shenzhen Water Inspection Technology Co., Ltd., Shenzhen Lifu Medical Technology Co., Ltd., Guangdong Sangu Technology Co., Ltd., Shenzhen Langqin Audio Technology Co., Ltd., Cixi Muwen Electric Appliance Co., Ltd., Hebei Yongji Electric Power Equipment Co., Ltd. and Moreu Smart Energy (Shenzhen) Co., Ltd.

The main drafters of this document are: Liu Chang, Zheng Junqi, Jiang Wei, Wang Yue, Zheng Qingming, Liu Lina, Liu Minghan, Chen Zhaochun, Zhou Jianhua, Peng Zhiyuan, Chen Guohua, Wang Qian, Han Yi, Li Haoran, Zhang Guanfeng, Liu Yi, Chen Guojie, Tao Zhigang, Yu Chao, Xu Penghua, Ren Enxian, Liu Xiulan, Chen Hao, Wu Weibing, Cui Qiang, Sun Zuoli, Yuan Pengfei, Zhou Yu, Xu Chuncheng, Yuan Chuzhuo, Pang Zhi, Wang Jianhua, Song Zhiqiang, Zhou Yuan, Guo Jianwen, Gao Zongyuan, Pan Shaohui, Zeng Chao, Zhang Yichun, Xu Jian, Yan Liwei, and Li Peng.

The previous versions of this document and the documents it replaces are as follows.

— First published in 2018 as GB /Z 37150-2018;

— This is the first revision.

Basic requirements for electromagnetic compatibility risk assessment

1 Scope

This document specifies the object, ideal model, process, risk factors, risk assessment tools and procedures of electromagnetic compatibility (hereinafter referred to as EMC) risk assessment.

Basic requirements for risk assessment tools, risk assessment results and risk assessment reports.

This document is applicable to EMC risk assessment at the equipment level, system level and engineering site level.

2 Normative references

GB/T 4365

GB/T 15706-2012

GB/T 38659

3 Terms and definitions

The terms and definitions defined in GB/T 4365, GB/T 15706-2012 and GB/T 38659 (all parts) and the following terms and definitions apply to this specification. document.

3.1 [Source. GB/T 38659.1-2020, 3.1]

The probability of a product having an EMC problem due to its design is the probability of failing the EMC test in a test environment.

3.2 risk analysis

The process of understanding the nature of risk and determining its level.

Note 1.Risk analysis is the basis for risk assessment and risk response decisions.

Note 2 to entry. Risk analysis includes the estimation of risk factors.

3.3 risk evaluation

Based on risk analysis, determine whether the goal of reducing risk has been achieved.

[Source. GB/T 15706-2012, 3.16]

3.4 risk assessment

The entire process includes risk identification, risk analysis and risk assessment.

[Source. GB/T 15706-2012, 3.17, modified]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Editions of GB/T 37150

EditionTitleRevisionStatus
GB/T 37150-2025Electromagnetic compatibility - Risk assessment - Basic requirementscurrent editionCurrent

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