1、 IEC TR 61000-1-4 Edition 2.0 2022-06 TECHNICAL REPORT Electromagnetic compatibility(EMC)Part 1-4:General Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment,in the frequency range up to 2 kHz IEC TR 61000-1-4:2022-06(en)colourinside THIS PU
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9、al entries in English and French,with equivalent terms in 19 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC TR 61000-1-4 Edition 2.0 2022-06 TECHNICAL REPORT Electromagnetic compatibility(EMC)Part 1-4:General Historical rationale for the limitation of
10、 power-frequency conducted harmonic current emissions from equipment,in the frequency range up to 2 kHz INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.100.10 ISBN 978-2-8322-2263-8 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this public
11、ation from an authorized distributor.colourinside 2 IEC TR 61000-1-4:2022 IEC 2022 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 General appraisal.8 5 Acceptable provisions in standards related to regulatory legislation.8 6 History of IEC 61000-3-2
12、 and its predecessors.9 6.1 History table.9 6.2 Before 1960.9 6.3 1960 to 1975.9 6.4 1975 to 1982.10 6.5 1982 to 1995.10 6.6 1995 to 2000.12 6.7 The“Millennium Amendment”.13 6.8 2000 to 2019.13 6.9 2020 to 2022.14 6.9.1 Impact factor approach.14 6.9.2 Effect of the coronavirus pandemic from 2020 to
13、2022.15 7 History of IEC 61000-3-12 and its predecessor.15 7.1 Origin.15 7.2 1989 to 1998.15 7.3 After 1998.16 8 History of IEC 61000-4-7 up to 2008.16 8.1 First edition in 1991.16 8.2 Second edition in 2002.16 8.3 Amendment 1 to the second edition.16 8.4 Developments since 2008.17 9 Economic consid
14、erations taken into account in setting limits in IEC 61000-3-2 before publication in 1995,and before the finalization of the text of the Millennium Amendment.17 Annex A(informative)Compatibility level and compensation factor.19 A.1 Explanation of the allocation of only part of the total compatibilit
15、y level to the low-voltage network.19 A.2 Compensation factor.20 A.2.1 Maximum permissible current emission original approach.20 A.2.2 Detailed consideration.21 A.2.3 New work prompted by the preparation of this document.23 Annex B(informative)Comparison of Class A limits and the harmonic spectra of
16、 phase-controlled dimmers of incandescent lamps at 90 firing angle.27 Annex C(informative)Comparison of Class C(IEC 61000-3-2:2018 and IEC 61000-3-2:2018/AMD1:2020,Table 2)limits and the harmonic spectrum of a discharge lamp with inductive ballast.28 Annex D(informative)Comparison of Class D limits and the harmonic spectra of capacitor-filtered single-phase rectifiers with 35 and 65 conduction angles.29 IEC TR 61000-1-4:2022 IEC 2022 3 Annex E(informative)Economic considerations taken into accou
