Edition 3.02014-05
INTERNATIONAL STANDARD
NORME INTERNATIONALE
BASICEMC PUBLICATIONPUBLICATIONFONDAMENTALEENCEM
Electromagnetic patibility(EMC)- Part 4-5: Testing and measurement techniques - Surge immunity test
Compatibiliteelectromagnetique(CEM)-Partie 4-5:Techniques d'essai et de mesure-Essai d'immunite aux ondes de choc
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INTERNATIONAL STANDARD
NORME INTERNATIONALE
BASIC EMCPUBLICATIONPUBLICATIONFONDAMENTALEEN CEM
Electromagnetic patibility(EMC)- Part 4-5:Testing and measurement techniques-Surgeimmunity test
Compatibilite electromagnetique(CEM)-Partie 4-5:Techniques d’essaiet de mesure -Essai dimmunite aux ondes de choc
INTERNATIONALELECTROTECHNICAL COMMISSION
ELECTROTECHNIQUEINTERNATIONALE
CONTENTS
FOREWORD.INTRODUCTION.. 6 8Scope and object. .92 Normative references .93 Terms definitions and abbreviations 3.1 Terms and definitions. 10 103.2 Abbreviations. 13General 134.2 4.1 Power system switching transients. Lightning transients.. 13 144.3 Simulation of the transients.. 145 Test levels.. Test instrumentation. 146 6.1 General. 15 156.2 1 2/50 μs bination wave generator. 156.2.2 6.2.1 Performance characteristics of the generator. General 156.2.3 Calibration of the generator 18 169 Coupling/decoupling networks. ..196.3.1 6.3.2 Coupling/decoupling networks for a.c./d.c. power port rated up General.... 19to 200 A per line..... 206.4 Calibration of coupling/decoupling networks. 6.3.3 Coupling/decoupling networks for interconnection lines. 24 276.4.1 General... 276.4.2 Calibration of CDNs for a.c./d.c. power port rated up to 200 A per line 276.4.3 Calibration of CDNs for interconnection lines. .28Test setup Test equipment..7.2 7.1 Verification of the test instrumentation... .31 307.3 Test setup for surges applied to EUT power ports. ..317.4 Test setup for surges applied to unshielded unsymmetrical interconnection lines. 327.5 Test setup for surges applied to unshielded symmetrical interconnection lines... 327.6 Test setup for surges applied to shielded lines... 328 Test procedure. 338.1 8.2 General. Laboratory reference conditions. 348.2.1 Climatic conditions 348.3 8.2.2 Execution of the test. Electromagnetic conditions 34 349 Evaluation of test results10 Test report. 35
Annex A (normative)Surge testing for unshielded outdoor symmetrical munication
lines intended to interconnect to widely dispersed systems. 37A.1 General. 37A.2 10/700 μs bination wave generator... A.2.1 Characteristics of the generator.... ..37 ..37A.2.2 Performances of the generator 38A.2.3 Coupling/decoupling networks. Calibration of the generator. 40A.3 A.3.1 General . 40 40A.3.2 lines .. Coupling/decoupling networks for outdoor munication 41A.4 Calibration of coupling/decoupling networks. ..41A.5 munication lines 42Annex B (informative) Selection of generators and test levels. 44B.1 General. 44B.2 B.3 The classification of environments The definition of port types. 44 44B.4 Generators and surge types. 45Annex C(informative) B.5 Tables. 45C.1 Different source impedance. Explanatory notes 47 47C.2 Application of the tests. 47C.2.2 C.2.1 Equipment level immunity. System level immunity. .47 47C.3 Installation classification 48C.4 Minimum immunity level of ports connected to the a.c./d.c. mains supply. Equipment level immunity of ports connected to interconnection lines... 49Annex D(informative)Considerations for achieving immunity for equipment C.5 49Annex E (informative) Mathematical modelling of surge waveforms connected to low voltage power distribution systems 51E.1 Genera.. ...53 53E.2 Normalized time domain voltage surge (1 2/50 μs). 54E.3 Normalized time domain current surge (8/20 μs) . 55E.4 E.5 Normalized time domain voltage surge (10/700 μs). Normalized time domain current surge (5/320 μs) 57 59Annex F (informative) Measurement uncertainty (MU) considerations 62F.1 General. LegendF.2 F.3 Uncertainty contributors to the surge measurement uncertaintyF.4 Uncertainty of surge calibration..F.4.1 F.4.2 Front time of the surge open-circuit voltage GeneralF.4.3 Peak of the surge open-circuit voltage.F.4.4 F.4.5 Duration of the surge open-circuit voltage..Further MU contributions to time and amplitude measurements......F.4.6 Rise time distortion due to the limited bandwidth of the measuring system...
6262 636363 6365..66.6767
