international standard norme internationale

IEC 61000-4-5
Edition 3.0 2014-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electromagnetic compatibility (EMC) –
Part 4-5: Testing and measurement techniques – Surge immunity test
Compatibilité électromagnétique (CEM) –
Partie 4-5: Techniques d'essai et de mesure – Essai d'immunité aux ondes de
choc
IEC 61000-4-5:2014-05(en-fr)
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IEC 61000-4-5
Edition 3.0 2014-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electromagnetic compatibility (EMC) –
Part 4-5: Testing and measurement techniques – Surge immunity test
Compatibilité électromagnétique (CEM) –
Partie 4-5: Techniques d'essai et de mesure – Essai d'immunité aux ondes de
choc
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
XC
ICS 33.100.20
PRICE CODE
CODE PRIX
ISBN 978-2-8322-1532-6
BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM
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– 2 – IEC 61000-4-5:2014 © IEC 2014
CONTENTS
FOREWORD ........................................................................................................................... 6
INTRODUCTION ..................................................................................................................... 8
1 Scope and object ............................................................................................................. 9
2 Normative references ...................................................................................................... 9
3 Terms, definitions and abbreviations ............................................................................. 10
3.1 Terms and definitions ....................................................................................... 10
3.2 Abbreviations ................................................................................................... 13
4 General ......................................................................................................................... 13
4.1 Power system switching transients ................................................................... 13
4.2 Lightning transients .......................................................................................... 14
4.3 Simulation of the transients .............................................................................. 14
5 Test levels ..................................................................................................................... 14
6 Test instrumentation ...................................................................................................... 15
6.1 General ............................................................................................................ 15
6.2 1,2/50 µs combination wave generator ............................................................. 15
6.2.1 General .......................................................................................... 15
6.2.2 Performance characteristics of the generator .................................. 16
6.2.3 Calibration of the generator ............................................................ 18
6.3 Coupling/decoupling networks .......................................................................... 19
6.3.1 General .......................................................................................... 19
6.3.2 Coupling/decoupling networks for a.c./d.c. power port rated up
to 200 A per line ............................................................................. 20
6.3.3 Coupling/decoupling networks for interconnection lines .................. 24
6.4 Calibration of coupling/decoupling networks ..................................................... 27
6.4.1 General .......................................................................................... 27
6.4.2 Calibration of CDNs for a.c./d.c. power port rated up to 200 A
per line ........................................................................................... 27
6.4.3 Calibration of CDNs for interconnection lines .................................. 28
7 Test setup ..................................................................................................................... 30
7.1 Test equipment ................................................................................................ 30
7.2 Verification of the test instrumentation ............................................................. 31
7.3 Test setup for surges applied to EUT power ports ............................................ 31
7.4 Test setup for surges applied to unshielded unsymmetrical
interconnection lines ........................................................................................ 32
7.5 Test setup for surges applied to unshielded symmetrical interconnection
lines ................................................................................................................. 32
7.6 Test setup for surges applied to shielded lines ................................................. 32
8 Test procedure .............................................................................................................. 33
8.1 General ............................................................................................................ 33
8.2 Laboratory reference conditions ....................................................................... 34
8.2.1 Climatic conditions ......................................................................... 34
8.2.2 Electromagnetic conditions ............................................................. 34
8.3 Execution of the test ........................................................................................ 34
9 Evaluation of test results ............................................................................................... 35
10 Test report ..................................................................................................................... 35

IEC 61000-4-5:2014 © IEC 2014 – 3 –
Annex A (normative) Surge testing for unshielded outdoor symmetrical communication
lines intended to interconnect to widely dispersed systems ................................................... 37
A.1 General ............................................................................................................ 37
A.2 10/700 µs combination wave generator ............................................................ 37
A.2.1 Characteristics of the generator ...................................................... 37
A.2.2 Performances of the generator ....................................................... 38
A.2.3 Calibration of the generator ............................................................ 40
A.3 Coupling/decoupling networks .......................................................................... 40
A.3.1 General .......................................................................................... 40
A.3.2 Coupling/decoupling networks for outdoor communication
lines ............................................................................................... 41
A.4 Calibration of coupling/decoupling networks ..................................................... 41
A.5 Test setup for surges applied to outdoor unshielded symmetrical
communication lines ........................................................................................ 42
Annex B (informative) Selection of generators and test levels .............................................. 44
B.1 General ............................................................................................................ 44
B.2 The classification of environments ................................................................... 44
B.3 The definition of port types............................................................................... 44
B.4 Generators and surge types ............................................................................. 45
B.5 Tables.............................................................................................................. 45
Annex C (informative) Explanatory notes ............................................................................. 47
C.1 Different source impedance ............................................................................. 47
C.2 Application of the tests ..................................................................................... 47
C.2.1 Equipment level immunity ............................................................... 47
C.2.2 System level immunity .................................................................... 47
C.3 Installation classification .................................................................................. 48
C.4 Minimum immunity level of ports connected to the a.c./d.c. mains supply ......... 49
C.5 Equipment level immunity of ports connected to interconnection lines .............. 49
Annex D (informative) Considerations for achieving immunity for equipment
connected to low voltage power distribution systems ............................................................ 51
Annex E (informative) Mathematical modelling of surge waveforms ..................................... 53
E.1 General ............................................................................................................ 53
E.2 Normalized time domain voltage surge (1,2/50 µs) ........................................... 54
E.3 Normalized time domain current surge (8/20 µs) .............................................. 55
E.4 Normalized time domain voltage surge (10/700 µs) .......................................... 57
E.5 Normalized time domain current surge (5/320 µs) ............................................ 59
Annex F (informative) Measurement uncertainty (MU) considerations .................................. 62
F.1 Legend ............................................................................................................ 62
F.2 General ............................................................................................................ 62
F.3 Uncertainty contributors to the surge measurement uncertainty ....................... 63
F.4 Uncertainty of surge calibration ........................................................................ 63
F.4.1 General .......................................................................................... 63
F.4.2 Front time of the surge open-circuit voltage .................................... 63
F.4.3 Peak of the surge open-circuit voltage ............................................ 65
F.4.4 Duration of the surge open-circuit voltage ....................................... 66
F.4.5 Further MU contributions to time and amplitude
measurements ................................................................................ 67
F.4.6 Rise time distortion due to the limited bandwidth of the
measuring system ........................................................................... 67