IEC 61000-4-4-2012 电磁兼容性 (EMC)—— 第4-4部分：测试与测量技术——电速瞬变突发抗扰测试

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IEC61000-4-4

Edition 3.02012-04

INTERNATIONAL

STANDARD

NORME

INTERNATIONALE colour

insde

BASIC EMC PUBLICATION

PUBLICATION FONDAMENTALE EN CEM

Electromagnetic compatibility(EMC)-

Part 4-4:Testing and measurement techniques-Electrical fast transient/burst

immunity test

Compatibilité électromagnétique(CEM)-

Partie 4-4:Techniques d'essai et de mesure-Essai d'immunité aux transitoires

électriques rapides en salves

IEC

6100C

-4

4:201

Copyrght International Electrotechnical Commission

Provded by IHS under license with IEC

No eprouctono networking pemited wtnout lcense trom IHS

261000-4-4 ◎IEC :2012

CONTENTS

FOREWORD ................................................................................................................................................................ 4

INTRODUCTION........................................................................................................................................................... 6

1 Scope ..................................................................................................................................................................... 7

2 Normative references..........................................................................................................................................7

3 Terms , definitions and abbreviation..............................................................................................................7

3.1 Terms and definition ..........................................................................................................................7

3.2 Abbreviations ........................................................................................................................................10

4 General ................................................................................................................................................................ 10

5 Test level .............................................................................................................................................................10

6 Test equipmen ....................................................................................................................................................1

6.1 Overview .................................................................................................................................................. 11

6.2 Burst generator ................................................................................................................................. 1

6.2.1 General ..................................................................................................................................... 11

6.2.2 Characteristics of the fast transient /burst generator................................................ 12

6.2.3 Calibration of the characteristics of the fast transient /burst generator............. 14

6.3 Coupling /decoupling network for a.c./ d. c. power por ............................................................ 15

6.3.1 Characteristics of the coupling /decoupling network ..............................................15

6.3.2 Calibration of the coupling /decoupling network ...................................................... 16

6.4 Capacitive coupling clamp .............................................................................................................. 17

6.4.1 General ..................................................................................................................................... 17

6.4.2 Calibration of the capacitive coupling clamp .............................................................18

7 Test setup ........................................................................................................................................................... 20

7.1 General .................................................................................................................................................... 20

7.2 Test equipment ..................................................................................................................................... 20

7.2.1 General .................................................................................................................................... 20

7.2.2 Verification of the test instrumentation ......................................................................20

7.3 Test setup for type tests performed in laboratories .............................................................. 21

7.3.1 Test conditions .................................................................................................................. 21

7.3.2 Methods of coupling the test voltage to the EUT .................................................... 24

7.4 Test setup for in situ test...................................................................................................................26

7.4.1 Overview ..................................................................................................................................26

7.4.2 Test on power ports and earth ports ..............................................................................26

7.4.3 Test on signal and control ports ....................................................................................27

8 Test procedure ................................................................................................................................................ 28

8.1 General .................................................................................................................................................. 28

8.2 Laboratory reference conditions ....................................................................................................28

8.2.1 Climatic condition ................................................................................................................. 28

8.2.2 Electromagnetic conditions .............................................................................................. 28

8.3 Execution of the test ..........................................................................................................................28

9 Evaluation of test results .............................................................................................................................29

10 Test repo............................................................................................................................................................. 29

Annex A (informative ) Information on the electrical fast transient ......................................................30

Annex B (informative ) Selection of the test levels .................................................................................. 32

Annex C (informative ) Measurement uncertainty ( MU ) consideration ............................................... 34

Bibliography ............................................................................................................................................................. 43

Prowded by IHSunderlicense with IEC

No reproductionor networkingpemited withouticensefromIHS

NotforResale

61000-4-4 ◎IEC :2012 —3—

Figure 1- Simplified circuit diagram showing major elements of a fast transient /burst

generator..................................................................................................................................................................... 12

Figure 2- Representation of an electrical fast transient /burst ............................................................. 13

Figure 3- Ideal waveform of a single pulse into a 50 Ω load with nominal parameters

tr=5 ns and tw =50 ............................................................................................................................................13

Figure 4- Coupling /decoupling network for a .c./ d. c . power mains supply

ports /terminals ......................................................................................................................................................... 16

Figure 5-Calibration of the waveform at the output of the coupling /decoupling network ......... 17

Figure 6-Example of a capacitive coupling clamp ....................................................................................18

Figure 7- Transducer plate for coupling clamp calibration .....................................................................19

Figure 8- Calibration of a capacitive coupling clamp using the transducer plate ....................... 19

Figure 9- Block diagram for electrical fast transient /burst immunity test .......................................20

Figure 10- Example of a verification setup of the capacitive coupling clamp................................. 21

Figure 11- Example of a test setup for laboratory type tests .............................................................. 2

Figure 12- Example of test setup using a floor standing system of two EUT ............................... 23

Figure 13- Example of a test setup for equipment with elevated cable entries ...........................24

Figure 14- Example of a test setup for direct coupling of the test voltage to a .c./ d .c.

power ports for laboratory type tests .............................................................................................................. 25

Figure 15- Example for in situ test on a .c ./d . c . power ports and protective earth

terminals for stationary , floor standing EUT ................................................................................................26

Figure 16-Example of in situ test on signal and control ports without the capacitive

coupling clamp ......................................................................................................................................................... 27

Table 1-Test levels................................................................................................................................................11

Table 2- Output voltage peak values and repetition frequencie .........................................................15

Table C.1- Example of uncertainty budget for voltage rise time ( tr) .................................................36

Table C.2- Example of uncertainty budget for EFT /B peak voltage value ( Vp) ........................... 37

Table C.3- Example of uncertainty budget for EFT /B voltage pulse width ( tw) ........................... 38

Table C .4- a factor (Equation (C .4)) of different unidirectional impulse responses

corresponding to the same bandwidth of the system B.......................................................................... 40

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NotforResale

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标签： #测量 #测试 #电磁兼容

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IEC61000-4-4Edition3.02012-04INTERNATIONALSTANDARDNORMEINTERNATIONALEcolourinsdeBASICEMCPUBLICATIONPUBLICATIONFONDAMENTALEENCEMElectromagneticcompatibility(EMC)-Part4-4:Testingandmeasurementtechniques-Electricalfasttransient/burstimmunitytestCompatibilitéélectromagnétique(CEM)-Partie4-4:Techniquesd'...

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IEC 61000-4-4-2012 电磁兼容性 (EMC)—— 第4-4部分：测试与测量技术——电速瞬变突发抗扰测试

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