1、IEC 61000-3-3 Edition 3.2 2021-03 CONSOLIDATED VERSION INTERNATIONAL STANDARD Electromagnetic compatibility(EMC)Part 3-3:Limits Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current 16 A per phase and not subject to condi
2、tional connection IEC 61000-3-3:2013-05+AMD1:2017-05+AMD2:2021-03 CSV(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2021 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,ele
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9、ing online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 18 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.INTERNATIONAL STANDARD Electromagnetic compatibility(EMC)Part 3-
10、3:Limits Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current 16 A per phase and not subject to conditional connection INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.100.10 ISBN 978-2-8322-9622-6 Registered trademark o
11、f the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.IEC 61000-3-3 Edition 3.2 2021-03 CONSOLIDATED VERSION colourinside IEC 61000-3-3 Edition 3.2 2021-03 CONSOLIDATED VERSION REDLINE VERSION Electromagnetic compatibility
12、(EMC)Part 3-3:Limits Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current 16 A per phase and not subject to conditional connection IEC 61000-3-3:2013-05+AMD1:2017-05+AMD2:2021-03 CSV(en)colourinside 2 IEC 61000-3-3:2013+
13、AMD1:2017 +AMD2:2021 CSV IEC 2021 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 Assessment of voltage changes,voltage fluctuations and flicker.10 4.1 Assessment of a relative voltage change,d(t).10 4.2 Assessment of the short-term flicker value,Pst
14、.11 4.2.1 General.11 4.2.2 Flickermeter.11 4.2.3 Simulation method.11 4.2.4 Analytical method.11 4.2.5 Use of Pst=1 curve.12 4.3 Assessment of long-term flicker value,Plt.12 5 Limits.12 6 Test conditions.13 6.1 General.13 6.2 Measurement uncertainty.14 6.3 Test supply voltage.14 6.4 Reference impeda
15、nce.14 6.5 Observation period.15 6.6 General test conditions.15 Annex A(normative)Application of limits and type test conditions for specific equipment.19 Annex B(normative)Test conditions and procedures for measuring dmax voltage changes caused by manual switching.29 Annex C(informative)Determinati
16、on of steady state voltage and voltage change characteristics,as defined in IEC 61000-4-15:2010.30 Annex D(informative)Input relative voltage fluctuation V/V for Pst=1,0 at output IEC/TR 61000-3-7:2008.35 Bibliography.36 Figure 1 Reference network for single-phase and three-phase supplies derived from a three-phase,four-wire supply.16 Figure 2 Curve for Pst=1 for rectangular equidistant voltage changes.17 Figure 3 Shape factors F for double-step and ramp-voltage characteristics.17 Figure 4 Shape
