1、 IEC TR 61000-4-38 Edition 1.0 2015-08 TECHNICAL REPORT Electromagnetic compatibility(EMC)Part 4-38:Testing and measurement techniques Test,verification and calibration protocol for voltage fluctuation and flicker compliance test systems IEC TR 61000-4-38:2015-08(en)BASIC EMC PUBLICATION colourinsid
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10、tions of IEC TC 37,77,86 and CISPR.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.IEC TR 61000-4-38 Edition 1.0 2015-08 TECHNICAL REPORT Electromagnetic compatibi
11、lity(EMC)Part 4-38:Testing and measurement techniques Test,verification and calibration protocol for voltage fluctuation and flicker compliance test systems INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.100.20 ISBN 978-2-8322-2870-8 BASIC EMC PUBLICATION Registered trademark of the International
12、Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TR 61000-4-38:2015 IEC 2015 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 General.8 5 Objectives of flicker and volta
13、ge fluctuations test protocols.8 6 Manufacturers or owners information required.9 7 Performance criteria.9 8 General test guidelines.11 8.1 General.11 8.2 Essential information.11 9 Test equipment and accuracy.12 10 Detailed test procedures.13 10.1 Procedures common to all tests.13 10.2 Test no.1 Si
14、mple power source qualification test.14 10.2.1 Rationale.14 10.2.2 Test procedure.14 10.3 Test no.2 Verification of the Zref and/or Ztest impedance.15 10.3.1 Rationale.15 10.3.2 Test procedure.15 10.4 Tests no.3 to 6 Low frequency rectangular modulation rates of 1 CPM to 39 CPM.16 10.4.1 Rationale.1
15、6 10.4.2 Test procedure.16 10.5 Tests no.7 to 9 High frequency rectangular modulation rates of 110 CPM and up.17 10.5.1 Rationale.17 10.5.2 Test procedure.17 10.5.3 Uncertainties of this protocol,and methods to verify modulation accuracy.18 Annex A(normative)Requirements for external test equipment
16、to verify modulation accuracy.20 Annex B(informative)Example test setup for modulation load unit.21 Annex C(informative)Some typical flicker test system integration issues to avoid.22 Bibliography.25 Figure 1 Illustration showing a rectangular 8 A current modulation pattern at 7 CPM.15 Figure 2 Illustration showing the method to determine the inductance of Zref or Ztest.16 Figure 3 Illustration showing a rectangular modulation pattern at 3,166 7 Hz.17 Figure 4 Illustration showing a rectangular
