BS EN 55016-2-1-2014 Specification for radio disturbance and immunity measuring apparatus and methods Methods of measurement of disturbances and immunity Conducted disturbance meas.pdf

1、BSI Standards PublicationSpecification for radio disturbance and immunity measuring apparatus and methodsPart 2-1: Methods of measurement of disturbances and immunity Conducted disturbance measurementsBS EN 55016-2-1:2014National forewordThis British Standard is the UK implementation of EN 55016-2-1

2、:2014. It isidentical to CISPR 16-2-1:2014. It supersedes BS EN 55016-2-1:2009+A2:2013, which will be withdrawn on 2 April 2017.The UK participation in its preparation was entrusted by Technical Com-mittee GEL/210, EMC - Policy committee, to Subcommittee GEL/210/12,EMC basic, generic and low frequen

3、cy phenomena Standardization.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2

4、014.Published by BSI Standards Limited 2014ISBN 978 0 580 75423 4ICS 33.100.10; 33.100.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2014.Amendments/co

5、rrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 55016-2-1:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 55016-2-1 July 2014 ICS 33.100.10; 33.100.20 Supersedes EN 55016-2-1:2009 English Version Specification for radio disturbance and immunity measuring apparatus a

6、nd methods - Part 2-1: Methods of measurement of disturbances and immunity - Conducted disturbance measurements (CISPR 16-2-1:2014) Spcifications des mthodes et des appareils de mesure des perturbations radiolectriques et de limmunit aux perturbations radiolectriques - Partie 2-1: Mthodes de mesure

7、des perturbations et de limmunit - Mesures des perturbations conduites (CISPR 16-2-1:2014) Anforderungen an Gerte und Einrichtungen sowie Festlegung der Verfahren zur Messung der hochfrequenten Straussendung (Funkstrungen) und Strfestigkeit - Teil 2-1: Verfahren zur Messung der hochfrequenten Straus

8、sendung (Funkstrungen) und Strfestigkeit - Messung der leitungsgefhrten Straussendung (CISPR 16-2-1:2014) This European Standard was approved by CENELEC on 2014-04-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europea

9、n Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versio

10、ns (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical commi

11、ttees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, S

12、lovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC A

13、ll rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 55016-2-1:2014 E BS EN 55016-2-1:2014EN 55016-2-1:2014 - 2 - Foreword The text of document CISPR/A/1053/FDIS, future edition 3 of CISPR 16-2-1, prepared by SC A “Radio-interference measurements

14、 and statistical methods” of IEC/TC CISPR “International special committee on radio interference” was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 55016-2-1:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by p

15、ublication of an identical national standard or by endorsement (dop) 2015-01-11 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-04-02 This document supersedes EN 55016-2-1:2009. Attention is drawn to the possibility that some of the elements

16、of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard CISPR 16-2-1:2014 was approved by CENELEC as a European Standard without any modification. I

17、n the official version, for Bibliography, the following notes have to be added for the standards indicated: CISPR 11:2003 + A1:2004 NOTE Harmonized as EN 55011:2007 1)(modified). CISPR 16-1-4:2010 NOTE Harmonized as EN 55016-1-4:2010 (not modified). CISPR 16-2-3:2010 NOTE Harmonized as EN 55016-2-3:

18、2010 (not modified). IEC 60364-4 Series NOTE Harmonized as HD 60364-4 Series (modified). IEC 61000-4-6:2008 NOTE Harmonized as EN 61000-4-6:2009 (modified). IEC 61010-1:2001 NOTE Harmonized as EN 61010-1:2001 (modified). 1)Superseded by EN 55011:2009 (CISPR 11:2009, mod.) BS EN 55016-2-1:2014- 3 - E

19、N 55016-2-1:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the

20、edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the la

21、test versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year CISPR 14-1 - Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission EN 55014-1 - CISPR 16-1-1 2010

22、Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-1: Radio disturbance and immunity measuring apparatus - Measuring apparatus EN 55016-1-1 2010 CISPR 16-1-2 2014 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2: Radio

23、 disturbance and immunity measuring apparatus - Coupling devices for conducted disturbance measurements EN 55016-1-2 2014 CISPR 16-4-2 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-2: Uncertainties, statistics and limit modelling - Measurement instrument

24、ation uncertainty EN 55016-4-2 - IEC 60050 Series International Electrotechnical Vocabulary - - BS EN 55016-2-1:2014 2 CISPR 16-2-1:2014 IEC 2014 CONTENTS 1 Scope 10 2 Normative references 10 3 Terms, definitions and abbreviations . 11 3.1 Terms and definitions . 11 3.2 Abbreviations . 16 4 Types of

25、 disturbance to be measured 17 4.1 General 17 4.2 Types of disturbance 17 4.3 Detector functions 17 5 Connection of measuring equipment 18 5.1 General 18 5.2 Connection of ancillary equipment . 18 5.3 Connections to RF reference ground 18 5.4 Connection between the EUT and the artificial mains netwo

26、rk 19 6 General measurement requirements and conditions 20 6.1 General 20 6.2 Disturbance not produced by the equipment under test 20 6.2.1 General 20 6.2.2 Compliance testing . 20 6.3 Measurement of continuous disturbance 20 6.3.1 Narrowband continuous disturbance . 20 6.3.2 Broadband continuous di

27、sturbance . 20 6.3.3 Use of spectrum analyzers and scanning receivers . 21 6.4 EUT arrangement and measurement conditions . 21 6.4.1 EUT arrangement . 21 6.4.2 Normal load conditions . 23 6.4.3 Duration of operation 23 6.4.4 Running-in/warm-up time 23 6.4.5 Supply 24 6.4.6 Mode of operation . 24 6.4

28、.7 Operation of multifunction equipment 24 6.4.8 Determination of EUT arrangement(s) that maximize(s) emissions . 24 6.4.9 Recording of measurement results 24 6.5 Interpretation of measuring results . 24 6.5.1 Continuous disturbance 24 6.5.2 Discontinuous disturbance 25 6.5.3 Measurement of the dura

29、tion of disturbances 25 6.6 Measurement times and scan rates for continuous disturbance 25 6.6.1 General 25 6.6.2 Minimum measurement times . 25 6.6.3 Scan rates for scanning receivers and spectrum analyzers . 26 6.6.4 Scan times for stepping receivers . 27 6.6.5 Strategies for obtaining a spectrum

30、overview using the peak detector 28 BS EN 55016-2-1:2014CISPR 16-2-1:2014 IEC 2014 3 6.6.6 Timing considerations using FFT-based instruments . 31 7 Measurement of disturbances conducted along leads, 9 kHz to 30 MHz 33 7.1 General 33 7.2 Measuring equipment (receivers, etc.) . 33 7.2.1 General 33 7.2

31、.2 Use of detectors for conducted disturbance measurements 33 7.3 Ancillary measuring equipment 34 7.3.1 General 34 7.3.2 Artificial networks (ANs) . 34 7.3.3 Voltage probes . 34 7.3.4 Current probes . 35 7.4 Equipment under test configuration 35 7.4.1 Arrangement of the EUT and its connection to th

32、e AN 35 7.4.2 Procedure for the measurement of unsymmetric disturbance voltages with V-networks (AMNs) . 40 7.4.3 Measurement of common mode voltages at differential mode signal terminals 47 7.4.4 Measurements using voltage probes . 48 7.4.5 Measurement using a capacitive voltage probe (CVP) 51 7.4.

33、6 Measurements using current probes . 51 7.5 System test configuration for conducted emissions measurements 51 7.5.1 General approach to system measurements . 51 7.5.2 System configuration 52 7.5.3 Measurements of interconnecting lines . 54 7.5.4 Decoupling of system components 55 7.6 In situ measur

34、ements . 55 7.6.1 General 55 7.6.2 Reference ground . 55 7.6.3 Measurement with voltage probes . 56 7.6.4 Selection of measuring points . 56 8 Automated measurement of disturbances 56 8.1 Precautions for automating measurements. 56 8.2 Generic measurement procedure . 57 8.3 Prescan measurements . 57

35、 8.4 Data reduction . 58 8.5 Disturbance maximization and final measurement 58 8.6 Post processing and reporting 59 8.7 Disturbance measurement strategies with FFT-based measuring instruments 59 9 Test set-up and measurement procedure using the CDNE in the frequency range 30 MHz to 300 MHz . 59 9.1

36、General 59 9.2 Test set-up 60 9.3 Measurement procedure 62 Annex A (informative) Guidelines for connection of electrical equipment to the artificial mains network 63 A.1 General 63 A.2 Classification of the possible cases 63 A.2.1 Well-shielded but poorly filtered EUT (Figures A.1 and A.2) 63 BS EN

37、55016-2-1:2014 4 CISPR 16-2-1:2014 IEC 2014 A.2.2 Well-filtered but incompletely shielded EUT (Figures A.3 and A.4) 64 A.2.3 Practical general case 64 A.3 Method of grounding 66 A.4 Conditions of grounding . 66 A.4.1 General 66 A.4.2 Classification of typical testing conditions . 67 A.5 Connection o

38、f the AMN as a voltage probe 68 Annex B (informative) Use of spectrum analyzers and scanning receivers . 70 B.1 General 70 B.2 Overload 70 B.3 Linearity test 70 B.4 Selectivity 70 B.5 Normal response to pulses . 70 B.6 Peak detection . 70 B.7 Frequency scan rate 71 B.8 Signal interception . 71 B.9 A

39、verage detection 71 B.10 Sensitivity 71 B.11 Amplitude accuracy 72 Annex C (informative) Decision tree for use of detectors for conducted disturbance measurements 73 Annex D (informative) Scan rates and measurement times for use with the average detector 75 D.1 General 75 D.2 Suppression of impulsiv

40、e disturbance 75 D.2.1 General 75 D.2.2 Suppression of impulsive disturbance by digital averaging 76 D.3 Suppression of amplitude modulation . 76 D.4 Measurement of slowly intermittent, unsteady or drifting narrowband disturbances 76 D.5 Recommended procedure for automated or semi-automated measurem

41、ents . 78 Annex E (informative) Guidelines for the improvement of the test set-up with ANs . 79 E.1 In situ verification of the AN impedance and voltage division factor 79 E.2 PE chokes and sheath current absorbers for the suppression of ground loops 82 Annex F (normative) Determination of suitabili

42、ty of spectrum analyzers for compliance tests . 84 Annex G (informative) Basic guidance for measurements on telecommunications ports . 85 G.1 Limits . 85 G.2 Combination of current probe and capacitive voltage probe (CVP) . 86 G.3 Basic ideas of the capacitive voltage probe 86 G.4 Combination of cur

43、rent limit and voltage limit . 87 G.5 Adjusting the TCM impedance with ferrites 89 G.6 Ferrite specifications for use with methods of Annex H 89 Annex H (normative) Specific guidance for conducted disturbance measurements on telecommunication ports . 92 H.1 General 92 BS EN 55016-2-1:2014CISPR 16-2-

44、1:2014 IEC 2014 5 H.2 Characteristics of AANs . 93 H.3 Characteristics of current probe . 94 H.4 Characteristics of capacitive voltage probe 94 H.5 Procedures for common mode measurements 94 H.5.1 General 94 H.5.2 Measurement procedure using AANs 94 H.5.3 Measurement procedure using a 150 load conne

45、cted to the outside surface of the cable screen 95 H.5.4 Measurement procedure using a combination of current probe and capacitive voltage probe 96 H.5.5 Measurement of cable, ferrite and AE common mode impedance 97 Annex I (informative) Examples of AANs and ANs for screened cables 99 Bibliography 1

46、08 Figure 1 Example of a recommended test set-up with PE chokes with three AMNs and a sheath current absorber on the RF cable . 19 Figure 2 Measurement of a combination of a CW signal (“NB”) and an impulsive signal (“BB”) using multiple sweeps with maximum hold 28 Figure 3 Example of a timing analys

47、is 29 Figure 4 A broadband spectrum measured with a stepped receiver 30 Figure 5 Intermittent narrowband disturbances measured using fast short repetitive sweeps with maximum hold function to obtain an overview of the disturbance spectrum . 30 Figure 6 FFT scan in segments 32 Figure 7 Frequency reso

48、lution enhanced by FFT-based measuring instrument 32 Figure 8 Illustration of current ICCM35 Figure 9 Test configuration: table-top equipment for conducted disturbance measurements on power mains . 37 Figure 10 Arrangement of EUT and AMN at 40 cm distance, with a) vertical RGP and b) horizontal RGP

49、38 Figure 11 Optional example test configuration for an EUT with only a power cord attached . 38 Figure 12 Test configuration: floor-standing equipment (see 7.4.1 and 7.5.2.3) 39 Figure 13 Example test configuration: floor-standing and table-top equipment (see 7.4.1 and 7.5.2.3) . 40 Figure 14 Schematic of disturbance voltage measurement configuration (see also 7.5.2.3) . 42 Figure 15 Equivalent circuit for measurement of unsymmetric disturbance voltage for safety-class I (grounded) EUT.