GB/Z 17624.3-2021Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
December 1, 2021
Scope
GB/Z 17624.3-2021 (Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems) is available as an English-translated PDF.
GB/Z 17624.3-2021 is the Chinese standard "Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems".
Its scope clause reads: This document describes the effects produced during the conducted and simulated electromagnetic pulse tests, including the observations of high-altitude nuclear tests conducted abroad.
Observed effects and effects observed in the HEMP simulator test. Note 1.In addition to direct effects, this document also includes information about HEMP and "long-term" coupling.
Note 2.Not all tests and exposures will cause equipment failure. Factors such as the geometric structure of the HEMP interaction and the electromagnetic shielding of the equipment The same result.
This document is suitable for understanding the severity of the possible effects of HEMP on modern electronic systems, and for verifying that HEMP is coupled to the "long-term" The specific amplitude of the induced current and voltage, and the reference for the direct injection test of electronic equipment. Its clauses include terms and definitions.
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Document preview — GB/Z 17624.3-2021
National Standard of the People's Republic of China
- Classification
- L 06
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General
- 5 Overview of effect experience
- 5.1 Atmospheric nuclear test
- 5.2 Simulator test
- 6 Atmospheric nuclear test experience
- 6.1 Test 4 mentioned in Reference [1]
- 6.2 Test 7 mentioned in Reference [2]
- 7 Radiation transient test conducted by HEMP simulator
- 7.1 Overview
- 7.2 Consumer Electronics
- 7.3 Communication radio equipment
- 7.4 Commercial power lines
- 7.5 Coupling test of train traction line
- 7.6 Induced currents generated by HEMP on three-phase lines
- 8 Conduction transient test conducted by HEMP simulator
- 8.1 High-voltage power line equipment
- 8.2 Conducted HEMP transient test of distribution transformer
- 9 Summary
- Appendix A (informative) Technical differences between this document and IEC /T R61000-1-3.2002 and their reasons
1 Scope
This document describes the effects produced during the conducted and simulated electromagnetic pulse tests, including the observations of high-altitude nuclear tests conducted abroad.
Observed effects and effects observed in the HEMP simulator test.
Note 1.In addition to direct effects, this document also includes information about HEMP and "long-term" coupling.
Note 2.Not all tests and exposures will cause equipment failure. Factors such as the geometric structure of the HEMP interaction and the electromagnetic shielding of the equipment
The same result.
This document is suitable for understanding the severity of the possible effects of HEMP on modern electronic systems, and for verifying that HEMP is coupled to the "long-term"
The specific amplitude of the induced current and voltage, and the reference for the direct injection test of electronic equipment.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 4365-2003 Electrotechnical terminology electromagnetic compatibility (IEC 60050-161.1990, IDT)
GB/T 18039.8 Electromagnetic compatibility environment High altitude nuclear electromagnetic pulse (HEMP) environment description Conducted disturbance (GB/T 18039.8-
2012, IEC 61000-2-10..1998, IDT)
GB/T 18039.10 electromagnetic compatibility environment HEMP environment description radiated disturbance (GB/T 18039.10-2018, IEC 61000-
2-9.1996, IDT)
IEC 61000-4-32 Electromagnetic Compatibility (EMC) Part 4-32.Test and Measurement Technology High Altitude Electromagnetic Pulse (HEMP) Mode
Outline of the proposed device[Electromagneticcompatibility(EMC)-Part 4-32.Testingandmeasurementtechniques-High- altitudeelectromagneticimpulseHEMPsimulatorcompendium]
3 Terms and definitions
The following terms and definitions defined in GB/T 4365-2003 apply to this document.
3.1 Attenuation
The reduction of electric field, magnetic field or current and voltage amplitude caused by absorption and scattering.
Note. The attenuation value is usually expressed in decibels (dB).
3.2 Aperture point-of-entry
Aperture port-of-entry
Including intentional or unintentional holes, cracks, openings, or other discontinuous holes or gaps on the shielding surface.
Note. Intentional entry points include personnel and/or equipment entrances and exits and vents on electromagnetic barriers.
3.3 Commonmode voltage
The average value of the phase voltage between each conductor and a specified reference point (usually ground or chassis).
GB 17625.1 | GB/Z 17624.2 | GB 17625.2 | GB/Z 17624.8 | GB/Z 17624.5 | GB/Z 17624.7 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 71 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4365-2003Electrotechnical terminology-Electromagnetic compatibility
- GB/T 18039.8Electromagnetic compatibility -- Environment -- Description of HEMP environment -- Conducted disturbance
- GB/T 18039.10Electromagnetic compatibility (EMC) -- Environment -- Description of HEMP environment -- Radiated disturbance
- GB/T 18039.10-2018Electromagnetic compatibility (EMC) -- Environment -- Description of HEMP environment -- Radiated disturbance
IEC 60050 · IEC 61000
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Related Standards
GB/T 18039.10-2018 — Electromagnetic compatibility (EMC) -- Environment -- Description of HEMP environment -- Radiated disturbance
GB/T 18039.8-2012 — Electromagnetic compatibility -- Environment -- Description of HEMP environment -- Conducted disturbance
GB/T 4365-2003 — Electrotechnical terminology -- Electromagnetic compatibility
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GB/Z 17624.3-2021
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