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GBZ17624.3-2021: Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems
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Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems
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GB/Z 17624.3-2021
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Basic data | Standard ID | GB/Z 17624.3-2021 (GB/Z17624.3-2021) | | Description (Translated English) | Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems | | Sector / Industry | National Standard | | Classification of Chinese Standard | L06 | | Word Count Estimation | 42,446 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GBZ17624.3-2021: Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems
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GB /Z 17624.3-2021
Electromagnetic compatibility-General-Part 3.The effects of high-altitude EMP(HEMP) on civil equipment and systems
ICS 33.100.99
CCSL06
National Standardization Guiding Technical Documents of the People's Republic of China
Overview of electromagnetic compatibility Part 3.High-altitude electromagnetic pulse
(HEMP) Effect on civilian equipment and systems
[IEC /T R61000-1-3.2002,Electromagneticcompatibility(EMC)-
Released on 2021-05-21
2021-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General 3
5 Overview of effect experience 3
5.1 Atmospheric nuclear test 3
5.2 Simulator test 3
6 Atmospheric nuclear test experience 4
6.1 Test 4 mentioned in Reference [1]
6.2 Test 7 mentioned in Reference [2]
7 Radiation transient test conducted by HEMP simulator 12
7.1 Overview 12
7.2 Consumer Electronics 12
7.3 Communication radio equipment 16
7.4 Commercial power lines 17
7.5 Coupling test of train traction line 19
7.6 Induced currents generated by HEMP on three-phase lines 21
8 Conduction transient test conducted by HEMP simulator 23
8.1 High-voltage power line equipment 23
8.2 Conducted HEMP transient test of distribution transformer 24
9 Summary 31
Appendix A (informative) Technical differences between this document and IEC /T R61000-1-3.2002 and their reasons 33
Reference 35
Figure 1 Geometry of the explosion, X indicates the location of Johnston Island 5
Figure 2 Reference [3] Report 6
Figure 3 The series street lamp system of the street in Reference [5] 7
Figure 4 The calculated time-domain waveform of the early HEMP electric field component near the 500km communication line 8
Fig. 5 Time-domain waveform of the electric field component of the early HEMP at the far end of the 500km communication line calculated by calculation 8
Figure 6 Calculated transverse magnetic flux density of the late HEMP on the surface at 433km and 574km from the zero point of the surface 9
Figure 7 The calculated time-domain waveform of the remote load voltage of the early HEMP acting on the second segment of the 80km long communication line 10
Fig. 8 Time-domain waveform of the near-end short-circuit current of the early HEMP acting on the second segment of the 80km long communication line calculated by calculation 10
Figure 9 The calculated time-domain waveform of the remote short-circuit current of the early HEMP acting on the second segment of the 80km long communication line 11
Figure 10 Time response of typical antenna cable coupling current measured at WRF 14
Figure 11 Time response of typical telephone cable coupling current measured at WRF 14
Figure 12 Time response of typical power cable coupling current measured at WRF 15
Figure 13.Time response of typical speaker wire coupling current measured at WRF 15
Figure 14 Time response of typical computer keyboard coupling current measured in WRF 15
Figure 15 The geometry of the medium voltage (MV) power line relative to the EMP simulator 18
Figure 16 Figure 15.measured value graph a) and calculated value graph b) of the induced voltage (line-to-ground) generated by the HEMP simulator at position M in Figure 15
For comparison, where the power line has undergone a 90° turn 18
Figure 17 Comparison of measured currents at four different positions. point 1 and point 2 at 48 m on both sides of the axis of the simulator (Figure 15
Points M and N), points 3 and 4 near the far end of the power line (near point Q in Figure 15) 19
Figure 18 The geometric structure of HEMP simulation detection using a single power line locomotive 20
Figure 19 Measured induced current 21 from HEMP on the power line directly above the left end of the locomotive
Figure 20 The geometry of the three-phase line placed under the combined HEMP simulator 21
Figure 21 The measured value (solid line) and calculated value (dashed line) of the current flowing through the shielded wire 22
Figure 22 HEMP current measured in the middle of an open phase wire after removing the ground wire 23
Figure 23 HEMP test study of high voltage equipment showing the importance of power line live test [Figure b) 110kV power line] 26
Figure 24 Simulation test of the effect of HEMP on 110kV live power line 27
Figure 25 Study on the effect of HEMP on high voltage transformer 28
Figure 26 Simulation test of the effect of HEMP on working mobile diesel power station 29
Figure 27 Types of interference generated by HEMP through the power supply system 30
Figure 28 HEMP test arrangement in the working state of the power system 31
Table 1 Data of lightning arrester as a function of voltage waveform 12
Table 2 Peak pulse current of damaged fuse SN-1 12
Table 3 Summary of equipment operating status observed in FEMPS 13
Table 4 Summary of the information of the radio equipment under test 16
Table 5 Test summary of distribution transformer 24
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 of Standardization Documents"
Drafting.
This document is the third part of GB/T (Z)17624 "Electromagnetic Compatibility Overview". GB/T (Z)17624 has released the following parts.
---Part 1 Application and interpretation of basic terms and definitions of electromagnetic compatibility;
---Part 2.Methods for achieving functional safety of electrical and electronic systems of equipment related to electromagnetic phenomena;
---Part 3 The effect of high-altitude electromagnetic pulse (HEMP) on civilian equipment and systems;
---Part 4 The historical basis for limiting equipment power frequency harmonic current conducted emission within 2kHz.
This document uses the redrafting method to modify and adopt IEC /T R61000-1-3.2002 "Electromagnetic Compatibility (EMC) Part 1-3.Overview
The effect of high-altitude electromagnetic pulse (HEMP) on civilian equipment and systems."
Compared with IEC /T R61000-1-3.2002, this document has technical differences, and the clauses involved in these differences have been passed on its outer page.
The vertical single line (|) of the margin position is marked, and a list of the corresponding technical differences and their reasons is given in Appendix A.
This document has made the following editorial changes.
---In order to be consistent with my country's standard system, the name of this document is changed to "Electromagnetic Compatibility Overview Part 3.High-altitude Electromagnetic Pulse
(HEMP) Effects on Civil Equipment and Systems;
---In order to facilitate the understanding and use of Figure 7, Figure 8, Figure 9 and Figure 16, the figure title of the sub-figure has been added, and Figure 7, Figure 8, and Figure 9 have been deleted.
The description of the sub-picture of the question;
---The first paragraph of Chapter 7 adds the article number and title, and the number of the remaining articles in this chapter has been extended.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Electromagnetic Compatibility Standardization Technical Committee (SAC/TC246).
Drafting organizations of this document. China Electronics Standardization Institute, China Electric Power Research Institute Co., Ltd., Space Application of Chinese Academy of Sciences
Engineering and Technology Center, Beijing Institute of Aerospace System Engineering.
The main drafters of this document. Zhang Ling, Cui Qiang, Li Ni, Zhang Ge, Li Yun, Zhang Jiangong, Xie Huichun.
Introduction
GB/T (Z)17624 is a basic and universal standard and guiding technical document in the field of electromagnetic compatibility in my country, which aims to describe the
General considerations (introduction, basic principles), definitions and terminology in the field of electromagnetic compatibility. Electromagnetic disturbances exist in most environments
In, therefore, for the overview of electromagnetic compatibility technology, there are many parties in application scenarios, product objects, user needs, and standard compilation purposes.
In view of the differences, it is unrealistic to establish an overall overview. GB/T (Z)17624 maintains consistency with the IEC 61000-1 series of standards,
Divide GB/T (Z)17624 into several parts. At present, GB/T (Z)17624 is composed of the following four parts.
---Part 1 Application and interpretation of basic terms and definitions of electromagnetic compatibility. The purpose is to explain and explain the design of electromagnetic compatibility system
The basic concepts and practical applications in calculation and evaluation have important meanings.
---Part 2.Methods for achieving functional safety in electrical and electronic systems of equipment related to electromagnetic phenomena. The purpose is to achieve violence
Provide guidelines for the functional safety of electrical and electronic systems and devices exposed to electromagnetic disturbances.
---Part 3 The effect of high-altitude electromagnetic pulse (HEMP) on civilian equipment and systems. The purpose is to describe what has been done and the simulation
The effect produced during the high-altitude electromagnetic pulse (HEMP) test.
---Part 4 The historical basis for limiting equipment power frequency harmonic current conducted emission within 2kHz. The purpose is to describe the power grid 2kHz
The source and influence of internal power frequency harmonic current conduction emission.
Overview of electromagnetic compatibility Part 3.High-altitude electromagnetic pulse
(HEMP) Effect on civilian equipment and systems
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).
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