GB/Z 17624.5-2025Electromagnetic compatibility - General - Part 5: High power electromagnetic (HPEM) effects on civil systems (English PDF)
电磁兼容 综述 第5部分：高功率电磁环境（HPEM）对民用系统的影响
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 3, 2025
Implementation date
December 3, 2025
Scope
GB/Z 17624.5-2025 is the English-translated version of 电磁兼容 综述 第5部分：高功率电磁环境（HPEM）对民用系统的影响.
GB/Z 17624.5-2025 is the Chinese standard "Electromagnetic compatibility - General - Part 5: High power electromagnetic (HPEM) effects on civil systems".
Its scope clause reads: This document is a technical guideline that provides guidelines for defining the field, voltage, and current requirements for high-power electromagnetic environments (HPEMs) in civil systems.
Background information on standards related to effects. With the emergence of new transient antenna technologies and the widespread use of digital electronic products, electronic devices in The possibility of interference or damage in these environments is receiving increasing attention.
This document first provides an overview of this issue and lists... The relevant terms and definitions are introduced, the relevant HPEM electromagnetic environment is described, and the various effects of the HPEM electromagnetic environment on civilian systems are discussed.
Effects. Finally, the protective technologies for electronic systems in these environments are summarized. More detailed information can be found in other documents of the IEC 61000 series. Provided separately in the package. Its clauses include terms and definitions.
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Document preview — GB/Z 17624.5-2025
National Standard of the People's Republic of China
- ICS
- 33.100.20
- Classification
- L 06
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Overview 5.
- 4.1 Overview
- 4.2 Case Study of HPEM on System Effects
- 4.3 Conventional Electromagnetic Protection Measures for Civil Systems
- 5.Classification of High-Power Electromagnetic Environments 8.
- 5.1 Overview
- 5.2 Radiation and Conduction in HPEM Environments
- 5.3 Narrowband (Continuous Wave) Waveform
- 5.4 Ultra-wideband (short pulse) transient environment
- 5.5 Repetition Rate Excitation
- 6.The impact of high-power electromagnetic environment on the system
- 6.1 Overview
- 6.2 System Topology Description
- 6.3 Case Study 14.The Impact of HPEM on Electronic Systems and Components
- 6.4 Burnout and permanent damage to components and subsystems
- 6.4.1 Overview
- 6.4.2 Device Damage
- 6.4.3 Transient transmission effects on personal computers
- 6.4.4 Building-level conducted interference test
- 6.5 Logical disorder and service interruption
- 7.The concept of HPEM protection
- 7.1 Overview
- 7.2 Strategy for Selecting Immunity Levels
- 7.3 Summary of HPEM Protection Technology
- 7.4 Implementation of HPEM Protection
- 7.4.1 Overview
- 7.4.2 Protection against intentional penetration
- 7.4.3 Protection against unintentional penetration
- 7.4.4 Other methods of HPEM protection
- References
1 Scope
This document is a technical guideline that provides guidelines for defining the field, voltage, and current requirements for high-power electromagnetic environments (HPEMs) in civil systems.
Background information on standards related to effects. With the emergence of new transient antenna technologies and the widespread use of digital electronic products, electronic devices in
The possibility of interference or damage in these environments is receiving increasing attention. This document first provides an overview of this issue and lists...
The relevant terms and definitions are introduced, the relevant HPEM electromagnetic environment is described, and the various effects of the HPEM electromagnetic environment on civilian systems are discussed.
Effects. Finally, the protective technologies for electronic systems in these environments are summarized. More detailed information can be found in other documents of the IEC 61000 series.
Provided separately in the package.
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.
Note. GB/T 4365-2024 Electrotechnical Terminology - Electromagnetic Compatibility (IEC 60050-161.2021, IDT)
IEC 61000-2-13 Electromagnetic compatibility (EMC) - Part 2-13.High power electromagnetic environment (HPEM) - Radiated and conducted electromagnetic fields
IEC 61000-4-4 Electromagnetic compatibility (EMC) – Part 4-4.Test and measurement techniques – Electrical fast transient/burst immunity test fasttransient/burstimmunitytest]
Note. GB/T 17626.4-2018 Electromagnetic compatibility testing and measurement techniques - Electrical fast transient/burst immunity test (IEC 61000-4-4.2012)
IDT)
IEC 61000-4-5 Electromagnetic compatibility (EMC) – Part 4-5.Test and measurement techniques – Surge (impulse) immunity test [Elec- test1),Amendment1(2000)]
1) There is a merged version 1.1, which includes IEC 61000-4-5.1995 and its amendment 1 (2000).
Note. GB/T 17626.5-2019 Electromagnetic compatibility testing and measurement techniques - Surge (impulse) immunity test (IEC 61000-4-5.2014, IDT)
3 Terms and Definitions
The terms and definitions defined in IEC 60050-161 and the following terms and definitions apply to this document.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 35 pages — is available in the English PDF.
Referenced standards
Normative references
IEC 61000-2-13 · IEC 61000-4-4 · IEC 61000-4-5
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Related Standards
GB/Z 17624.6-2021 — Electromagnetic compatibility - General - Part 6: Guide to the assessment of measurement uncertainty
GB/Z 17624.4-2019 — Electromagnetic compatibility - General - Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz
GB/Z 17624.7-2023 — Electromagnetic compatibility - General - Part 7: Power factor in single-phase systems under non-sinusoidal conditions
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