EN IEC 62822-3-2018 en Electric welding equipment - Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) - Part 3 Resistance welding equi.pdf

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1、BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 Electric welding equipment - Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) Part 3: Resistance welding equipment (IEC 62822-3:2017) BS EN IEC 62822-3:2018 EUROPEAN STAN

2、DARD NORME EUROPENNE EUROPISCHE NORM EN IEC 62822-3 February 2018 ICS 25.160.30 Supersedes EN 50505:2008 English Version Electric welding equipment - Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) - Part 3: Resistance welding equipment (IEC 62822-3:20

3、17) Matriels de soudage lectrique - valuation des restrictions relatives lexposition humaine aux champs lectromagntiques (0 Hz 300 GHz) - Partie 3: Matriels de soudage par rsistance (IEC 62822-3:2017) Einrichtungen zum Widerstandsschweien - Bewertung elektrischer Schweieinrichtungen in Bezug auf Beg

4、renzungen der Exposition von Personen gegenber elektromagnetischen Feldern (0 Hz - 300 GHz) - Teil 3: Grundnorm fr Widerstandsschweieinrichtungen (IEC 62822-3:2017) This European Standard was approved by CENELEC on 2017-10-20. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulat

5、ions which stipulate the conditions for giving this European 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 mem

6、ber. This European Standard exists in three official versions (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 versio

7、ns. CENELEC members are the national electrotechnical committees 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

8、Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, 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

9、Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 62822-3:2018 E National foreword This British Standard is the UK implementation of EN IEC 628223:2018. It is identical

10、 to IEC 628223:2017. It supersedes BS EN 50505:2008, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee WEE/6, Electric arc welding equipment. A list of organizations represented on this committee can be obtained on request to its secretary. This publica

11、tion does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018 ISBN 978 0 580 90083 9 ICS 25.160.30 Compliance with a British Standard cannot confer immunit

12、y from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2018. Amendments/corrigenda issued since publication Date Text affected BRITISH STANDARD BS EN IEC 628223:2018 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE

13、NORM EN IEC 62822-3 February 2018 ICS 25.160.30 Supersedes EN 50505:2008 English Version Electric welding equipment - Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) - Part 3: Resistance welding equipment (IEC 62822-3:2017) Matriels de soudage lectriqu

14、e - valuation des restrictions relatives lexposition humaine aux champs lectromagntiques (0 Hz 300 GHz) - Partie 3: Matriels de soudage par rsistance (IEC 62822-3:2017) Einrichtungen zum Widerstandsschweien - Bewertung elektrischer Schweieinrichtungen in Bezug auf Begrenzungen der Exposition von Per

15、sonen gegenber elektromagnetischen Feldern (0 Hz - 300 GHz) - Teil 3: Grundnorm fr Widerstandsschweieinrichtungen (IEC 62822-3:2017) This European Standard was approved by CENELEC on 2017-10-20. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditi

16、ons for giving this European 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 exis

17、ts in three official versions (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 nati

18、onal electrotechnical committees 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, Por

19、tugal, Romania, Serbia, Slovakia, Slovenia, 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: Rue de la Sci

20、ence 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 62822-3:2018 E BS EN IEC 628223:2018EN IEC 62822-3:2018 (E) 2 European foreword The text of document 26/626A/FDIS, future edition 1 of IEC 62822-3, pr

21、epared by IEC/TC 26 “Electric welding“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 62822-3:2018. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endors

22、ement (dop) 2018-08-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2021-02-16 This document supersedes EN 50505:2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC

23、 shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62822-3:2017 was approved by CENELEC as a European Standard without any modification. BS EN IEC 628223:2018EN IEC 62822-3:2018 (E) 3 Annex ZA (normative) Normat

24、ive references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated

25、 references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where 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 latest versions of the European Sta

26、ndards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 61786-1 - Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Part 1: Requirements for measuring instruments EN 61786-1 - IEC

27、 61786-2 - Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Part 2: Basic standard for measurements - - IEC 62226-2-1 - Exposure to electric or magnetic fields in the low and intermediate frequency range - Methods for calcu

28、lating the current density and internal electric field induced in the human body - Part 2-1: Exposure to magnetic fields - 2D models EN 62226-2-1 - IEC 62822-1 - Electric welding equipment - Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 GHz) - Part 1: Pr

29、oduct family standard EN 62822-1 - BS EN IEC 628223:2018 2 IEC 62822-3:2017 IEC 2017 CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 7 3 Terms, definitions, quantities, units and constants . 8 3.1 Terms and definitions 8 3.2 Quantities and units 9 3.3 Constants . 10 4 Requirements 10 5 Coupli

30、ng coefficients . 10 5.1 General . 10 5.2 Conductive disks . 12 5.3 Anatomical body models for numerical calculations . 14 6 Source model 14 6.1 General . 14 6.2 Single cable 15 6.3 Parallel cables 15 6.4 Rectangular loop . 16 7 Assessment methods . 18 7.1 General . 18 7.2 General considerations . 1

31、8 7.2.1 Time averaging 18 7.2.2 Spatial averaging . 18 7.2.3 Frequency range limitations . 18 7.2.4 Measurement instruments 19 7.2.5 Uncertainty of assessment . 19 7.3 Equipment with sinusoidal welding current 19 7.4 Equipment with pulsed or non-sinusoidal welding current 20 7.4.1 General . 20 7.4.2

32、 Derivation of the weighting function from limits for field quantities . 20 7.4.3 Application of the weighted peak method in the frequency domain . 22 7.4.4 Application of the weighted peak method in the time domain . 23 7.5 Method based on measuring of external field levels 23 7.5.1 General . 23 7.

33、5.2 Measurement equipment . 23 7.5.3 Spatial averaging . 24 7.5.4 Exposure of the head . 24 7.5.5 Exposure of the trunk 25 7.5.6 Exposure of the limbs 25 7.6 Assessment procedure 26 7.6.1 General . 26 7.6.2 Power-source 27 7.6.3 Electrode-assembly . 27 7.6.4 Welding-system . 27 8 EMF data sheet and

34、assessment report . 28 8.1 General . 28 8.2 EMF datasheet of components 28 BS EN IEC 628223:2018IEC 62822-3:2017 IEC 2017 3 8.2.1 Power sources . 28 8.2.2 Electrode assemblies . 29 8.2.3 Other components . 29 Annex A (informative) Example of the weighted peak method in the time domain . 30 A.1 Gener

35、al . 30 A.2 Power source 30 A.2.1 General . 30 A.2.2 Applied limits . 30 A.2.3 Assessment of the electrode-assembly 32 A.2.4 Datasheets 33 Annex B (informative) Example of the weighted peak method in the frequency domain 37 B.1 General . 37 B.2 Power source 37 B.2.1 General . 37 B.2.2 Applied limits

36、 . 38 B.2.3 Assessment of the electrode-assembly 40 B.2.4 Datasheets 41 Annex C (informative) IEC 62822-3 for users of IEC 62822-2 . 45 Annex D (informative) Coupling coefficients for common arrangements . 47 D.1 Single wire 47 D.2 Example of standardized loop configurations 48 D.2.1 0,5 m 0,5 m 48

37、D.2.2 1,0 m 1,0 m 50 D.2.3 1,0 m 1,5 m 52 Annex E (informative) Conservative approximation of coupling coefficients for rectangular loops 54 E.1 General . 54 E.2 XY-plane . 54 E.3 Z-direction 55 E.4 Correlation factors 56 Annex F (informative) Example EMF datasheets 57 F.1 Example datasheet Welding

38、system . 57 F.2 Example datasheet Power source 59 F.3 Example datasheet Electrode assembly . 60 Bibliography 61 Figure 1 Example of a reference system 11 Figure 2 Conducting disk in a uniform, time variant magnetic flux density . 12 Figure 3 Electrical conductivity for homogeneous body models 13 Fig

39、ure 4 Example of the placement of the conductive disks. 13 Figure 5 Source model Single cable 15 Figure 6 Assessment configuration Single cable . 15 Figure 7 Source model Parallel cables 15 Figure 8 Assessment Configuration Parallel Cables 16 Figure 9 Rectangular loop configuration . 16 Figure 10 As

40、sessment distances for the loop configuration . 17 Figure 11 Piecewise linear and approximated limit amplitudes . 21 BS EN IEC 628223:2018 4 IEC 62822-3:2017 IEC 2017 Figure 12 Piecewise linear and approximated summation function phase angles 22 Figure 13 Field measurement at head position . 24 Figu

41、re 14 Field measurement at trunk position . 25 Figure 15 Field measurement at limb positions, hand and thigh . 26 Figure 16 Assessment of a complete welding system . 27 Figure 17 Typical component based assessment . 27 Figure A.1 Current waveform . 30 Figure A.2 Combined ELVs for the head 1 . 31 Fig

42、ure A.3 Unity-coupling waveform . 31 Figure A.4 Geometry of the electrode assembly . 32 Figure A.5 Datasheet of the power source . 33 Figure A.6 Datasheet of the electrode assembly 34 Figure A.7 Datasheet of the welding system 35 Figure A.8 Datasheet of the welding system 36 Figure B.1 Current wavef

43、orm . 37 Figure B.2 Spectrum of the current waveform 38 Figure B.3 Combined ELVs for the head 1 . 39 Figure B.4 Unity-coupling waveform . 39 Figure B.5 Geometry of the electrode assembly . 40 Figure B.6 Datasheet of the power source . 41 Figure B.7 Datasheet of the electrode assembly 42 Figure B.8 D

44、atasheet of the welding system 43 Figure B.9 Datasheet of the welding system 44 Figure E.1 Geometry of the electrode assembly XY-plane 54 Figure E.2 Geometry of the electrode assembly Z-direction . 55 Figure F.1 Example datasheet Welding system . 57 Figure F.2 Example datasheet Power source 59 Figur

45、e F.3 Example datasheet Power source 60 Table 1 Standardized distances . 11 Table 2 Radii for the 2D disk model . 13 Table D.1 Coupling coefficients Single wire . 47 Table D.2 Coupling coefficients XY-plane Loop 0,5 m 0,5 m 48 Table D.3 Coupling coefficients XY-plane Loop 0,5 m 0,5 m 49 Table D.4 Co

46、upling coefficients XY-plane Loop 1,0 m 1,0 m 50 Table D.5 Coupling coefficients Z-plane Loop 1,0 m 1,0 m . 51 Table D.6 Coupling coefficients XY-plane Loop 1,0 m 1,5 m 52 Table D.7 Coupling coefficients Z-plane Loop 1,0 m 1,5 m . 53 Table E.1 Correlation factors XY . 56 Table E.2 Correlation factor

47、s Z . 56 BS EN IEC 628223:2018IEC 62822-3:2017 IEC 2017 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC WELDING EQUIPMENT ASSESSMENT OF RESTRICTIONS RELATED TO HUMAN EXPOSURE TO ELECTROMAGNETIC FIELDS (0 Hz TO 300 GHz) Part 3: Resistance welding equipment FOREWORD 1) The International Electro

48、technical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To

49、 this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in