|
SLOVENSKI STANDARD
01-april-2018
1DGRPHãþD
SIST EN 50505:2008
(OHNWULþQDYDULOQDRSUHPD2FHQMHYDQMHRPHMLWHY]YLGLNDL]SRVWDYOMHQRVWLþORYHND
HOHNWURPDJQHWQLPSROMHP RG+]GR+] GHO 2SUHPD]DXSRURYQR
YDUMHQMH ,(&
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)
Matériels de soudage électrique - Évaluation des restrictions relatives à l'exposition
humaine aux champs électromagnétiques (0 Hz à 300 GHz) - Partie 3: Matériels de
soudage par résistance (IEC 62822-3:2017)
Ta slovenski standard je istoveten z: EN IEC 62822-3:2018
ICS:
13.280 Varstvo pred sevanjem Radiation protection
25.160.30 Varilna oprema Welding equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 62822-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
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)
Matériels de soudage électrique - Évaluation des Einrichtungen zum Widerstandsschweißen - Bewertung
restrictions relatives à l'exposition humaine aux champs elektrischer Schweißeinrichtungen in Bezug auf
électromagnétiques (0 Hz à 300 GHz) - Partie 3: Matériels Begrenzungen der Exposition von Personen gegenüber
de soudage par résistance elektromagnetischen Feldern (0 Hz - 300 GHz) - Teil 3:
(IEC 62822-3:2017) Grundnorm für Widerstandsschweißeinrichtungen
(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 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 member.
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 versions.
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 Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC 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
European foreword
The text of document 26/626A/FDIS, future edition 1 of IEC 62822-3, prepared by IEC/TC 26 "Electric
welding" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
(dop) 2018-08-16
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2021-02-16
standards conflicting with the
document have to be withdrawn
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 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.
Annex ZA
(normative)
Normative 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 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 Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61786-1 - Measurement of DC magnetic, AC EN 61786-1 -
magnetic and AC electric fields from 1 Hz
to 100 kHz with regard to exposure of
human beings - Part 1: Requirements for
measuring instruments
IEC 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 EN 62226-2-1 -
the low and intermediate frequency range -
Methods for calculating the current density
and internal electric field induced in the
human body -- Part 2-1: Exposure to
magnetic fields - 2D models
IEC 62822-1 - Electric welding equipment - Assessment EN 62822-1 -
of restrictions related to human exposure
to electromagnetic fields (0 Hz to 300 GHz)
- Part 1: Product family standard
IEC 62822-3
Edition 1.0 2017-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electric welding equipment – Assessment of restrictions related to human
exposure to electromagnetic fields (0 Hz to 300 GHz) –
Part 3: Resistance welding equipment
Matériels de soudage électrique – Évaluation des restrictions relatives à
l'exposition humaine aux champs électromagnétiques (0 Hz à 300 GHz) –
Partie 3: Matériels de soudage par résistance
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.160.30 ISBN 978-2-8322-4814-0
– 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 Coupling 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 . 18
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 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
7.5.2 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 assessment report . 28
8.1 General . 28
8.2 EMF datasheet of components . 28
IEC 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 General . 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 .
...