1、 IEC 61000-4-8 Edition 2.0 2009-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromagnetic compatibility (EMC) Part 4-8: Testing and measurement techniques Power frequency magnetic field immunity test Compatibilit lectromagntique (CEM) Partie 4-8: Techniques dessai et de mesure Essai dimmunit au
2、 champ magntique la frquence du rseau IEC 61000-4-8:2009 BASIC EMC PUBLICATION PUBLICATION FONDAMENTALE EN CEM THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in
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16、ous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61000-4-8 Edition 2.0 2009-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromagnetic compatibili
17、ty (EMC) Part 4-8: Testing and measurement techniques Power frequency magnetic field immunity test Compatibilit lectromagntique (CEM) Partie 4-8: Techniques dessai et de mesure Essai dimmunit au champ magntique la frquence du rseau INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQU
18、E INTERNATIONALE V ICS 33.100.20 PRICE CODE CODE PRIX ISBN 2-8318-1059-7 BASIC EMC PUBLICATION PUBLICATION FONDAMENTALE EN CEM Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61000-4-8 IEC:2009 CONTENTS FOREWORD.4
19、INTRODUCTION.6 1 Scope.7 2 Normative references .7 3 Terms and definitions .7 4 General 8 5 Test levels9 6 Test equipment.10 6.1 General .10 6.2 Test generator.10 6.2.1 Current source.10 6.2.2 Characteristics and performances of the test generator for different inductive coils10 6.2.3 Verification o
20、f the characteristics of the test generator 11 6.3 Inductive coil .12 6.3.1 Field distribution12 6.3.2 Characteristics of the inductive standard coils 1 m 1 m and 1 m 2,6 m .12 6.3.3 Characteristics of the inductive coils for table top and floor standing equipment .12 6.3.4 Measurement of the induct
21、ive coil factor13 6.4 Test and auxiliary instrumentation .13 6.4.1 Test instrumentation13 6.4.2 Auxiliary instrumentation .14 7 Test set-up.14 7.1 Test set-up components 14 7.2 Ground (reference) plane for floor standing equipment14 7.3 Equipment under test 14 7.4 Test generator.15 7.5 Inductive coi
22、l .15 8 Test procedure .15 8.1 General .15 8.2 Laboratory reference conditions 15 8.2.1 General .15 8.2.2 Climatic conditions 15 8.2.3 Electromagnetic conditions16 8.3 Carrying out the test16 9 Evaluation of the test results 17 10 Test report17 Annex A (normative) Inductive coil calibration method .
23、22 Annex B (normative) Characteristics of the inductive coils .23 Annex C (informative) Selection of the test levels 29 Annex D (informative) Information on power frequency magnetic field strength31 Bibliography33 61000-4-8 IEC:2009 3 Figure 1 Example of application of the test field by the immersio
24、n method18 Figure 2 Example of schematic circuit of the test generator for power frequency magnetic field .18 Figure 3 Example of test set-up for table-top equipment 19 Figure 4 Calibration of the standard coils.19 Figure 5 Example of test set-up for floor-standing equipment.20 Figure 6 Example of i
25、nvestigation of susceptibility to magnetic field by the proximity method with the 1 m 1 m inductive coil.20 Figure 7 Illustration of Helmholtz coils .21 Figure B.1 Characteristics of the field generated by a square inductive coil (1 m side) in its plane .25 Figure B.2 3 dB area of the field generate
26、d by a square inductive coil (1 m side) in its plane 25 Figure B.3 3 dB area of the field generated by a square inductive coil (1 m side) in the mean orthogonal plane (component orthogonal to the plane of the coil) 26 Figure B.4 3 dB area of the field generated by two square inductive coils (1 m sid
27、e) 0,6 m spaced, in the mean orthogonal plane (component orthogonal to the plane of the coils).26 Figure B.5 3 dB area of the field generated by two square inductive coils (1 m side) 0,8 m spaced, in the mean orthogonal plane (component orthogonal to the plane of the coils).27 Figure B.6 3 dB area o
28、f the field generated by a rectangular inductive coil (1 m 2,6 m) in its plane27 Figure B.7 3 dB area of the field generated by a rectangular inductive coil (1 m 2,6 m) in its plane (ground plane as a side of the inductive coil) 28 Figure B.8 3 dB area of the field generated by a rectangular inducti
29、ve coil (1 m 2,6 m) with ground plane, in the mean orthogonal plane (component orthogonal to the plane of the coil) 28 Table 1 Test levels for continuous field 9 Table 2 Test levels for short duration: 1 s to 3 s.10 Table 3 Specification of the generator for different inductive coils11 Table 4 Verif
30、ication parameter for the different inductive coils .11 Table D.1 Values of the maximum magnetic field produced by household appliances (results of the measurements of 100 different devices of 25 basic types) 31 Table D.2 Values of the magnetic field generated by a 400 kV line 31 Table D.3 Values of
31、 the magnetic field in high voltage sub-station areas 32 Table D.4 Values of the magnetic field in power plants 32 4 61000-4-8 IEC:2009 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROMAGNETIC COMPATIBILITY (EMC) Part 4-8: Testing and measurement techniques Power frequency magnetic field immunity
32、 test FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization
33、in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entru
34、sted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the Intern
35、ational Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since e
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38、heir national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment decl
39、ared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC Nationa
40、l Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is d
41、rawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall n
42、ot be held responsible for identifying any or all such patent rights. International Standard IEC 61000-4-8 has been prepared by subcommittee 77A: Low frequency phenomena, of IEC technical committee 77: Electromagnetic compatibility. This second edition cancels and replaces the first edition publishe
43、d in 1993 and its Amendment 1 (2000). It forms a technical revision. This edition includes the following significant technical changes with respect to the previous edition: the scope is extended in order to cover 60 Hz. Characteristics, performance and verification of the test generator and related
44、inductive coils are revised. Modifications are also introduced in the test set-up (GRP) and test procedure. It forms Part 4-8 of the IEC 61000 series of standards. It has the status of a basic EMC publication in accordance with IEC Guide 107. 61000-4-8 IEC:2009 5 The text of this standard is based o
45、n the following documents: FDIS Report on voting 77A/694/FDIS 77A/706/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of
46、 all parts of the IEC 61000 series, under the general title Electromagnetic compatibility, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.
47、ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 61000-4-8 IEC:2009 INTRODUCTION This standard is part of the IEC 61000 series of standards, according to the following structure: Part 1: Ge
48、neral General considerations (introduction, fundamental principles) Definitions, terminology Part 2: Environment Description of the environment Classification of the environment Compatibility levels Part 3: Limits Emission limits Immunity limits (in so far as they do not fall under the responsibilit
49、y of the product committees) Part 4: Testing and measurement techniques Measurement techniques Testing techniques Part 5: Installation and mitigation guidelines Installation guidelines Mitigation methods and devices Part 9: Miscellaneous Each part is further subdivided into several parts, published either as international standards, as technical spe
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