1、 IEC/TR 62153-4-1Edition 2.0 2010-05TECHNICAL REPORT Metallic communication cable test methods Part 4-1:Electromagnetic compatibility(EMC)Introduction to electromagnetic(EMC)screening measurements IEC/TR 62153-4-1:2010(E)colourinsideLICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS
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10、tomer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC/TR 62153-4-1Edition 2.0 2010-05TECHNICAL REPORT Metallic communication cable test met
11、hods Part 4-1:Electromagnetic compatibility(EMC)Introduction to electromagnetic(EMC)screening measurements INTERNATIONAL ELECTROTECHNICAL COMMISSION XBICS 33.100,33.120.10 PRICE CODEISBN 978-2-88910-918-0 Registered trademark of the International Electrotechnical Commission colourinsideLICENSED TO M
12、ECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR 62153-4-1 IEC:2010(E)CONTENTS FOREWORD.5 1 Scope.7 2 Normative references.7 3 Electromagnetic phenomena.8 4 The intrinsic screening parameters of short cables.10 4.1 General.10 4.2 Surface transf
13、er impedance,ZT.10 4.3 Capacitive coupling admittance,YC.10 4.4 Injecting with arbitrary cross-sections.12 4.5 Reciprocity and symmetry.12 4.6 Arbitrary load conditions.12 5 Long cables coupled transmission lines.12 6 Transfer impedance of a braided wire outer conductor or screen.20 7 Test possibili
14、ties.26 7.1 General.26 7.2 Measuring the transfer impedance of coaxial cables.26 7.3 Measuring the transfer impedance of cable assemblies.26 7.4 Measuring the transfer impedance of connectors.27 7.5 Calculated maximum screening level.27 8 Comparison of the frequency response of different triaxial te
15、st set-ups to measure the transfer impedance of cable screens.32 8.1 General.32 8.2 Physical basics.32 8.2.1 Triaxial set-up.32 8.2.2 Coupling equations.35 8.3 Simulations.35 8.3.1 General.35 8.3.2 Simulation of the standard and simplified methods according to EN 50289-1-6,IEC 61196-1(method 1 and 2
16、)and IEC 62153-4-3(method A).36 8.3.3 Simulation of the double short circuited methods.43 8.4 Conclusion.51 9 Background of the shielded screening attenuation test method(IEC 62153-4-4).52 9.1 General.52 9.2 Objectives.52 9.3 Theory of the triaxial measuring method.53 9.4 Screening attenuation.58 9.5 Normalised screening attenuation.59 9.6 Measured results.60 9.7 Comparison with absorbing clamp method.62 9.8 Practical design of the test set-up.63 9.9 Influence of mismatches.64 Annex A(normative)
