IEC 60974-10:2020
(Main)Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements
Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements
IEC 60974-10:2020 is available as IEC 60974-10:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60974-10:2020 is applicable to equipment for arc welding and allied processes, including power sources and ancillary equipment, for example wire feeders, liquid cooling systems, arc striking and stabilizing devices and chargers for battery powered equipment. This fourth edition cancels and replaces the third edition published in 2014 and its Amendment 1:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- updated normative references;
- requirements for battery powered equipment;
- requirements for equipment combined with radio transmitters/receivers.
Matériel de soudage à l'arc - Partie 10: Exigences de compatibilité électromagnétique (CEM)
IEC 60974-10:2020 est disponible sous forme de IEC 60974-10:2020 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 60974-10:2020 s’applique au matériel de soudage à l’arc et techniques connexes y compris les sources de courant de soudage et les matériels auxiliaires, tels que les dévidoirs, les systèmes de refroidissement par liquide, les dispositifs d’amorçage et de stabilisation de l’arc et les chargeurs de matériels alimentés par batteries. Cette quatrième édition annule et remplace la troisième édition parue en 2014 et son Amendement 1:2015. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- références normatives mises à jour;
- nouvelles exigences relatives au matériel alimenté par batteries;
- nouvelles exigences relatives au matériel combiné à des émetteurs/récepteurs radioélectriques.
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IEC 60974-10 ®
Edition 4.0 2020-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Arc welding equipment –
Part 10: Electromagnetic compatibility (EMC) requirements
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
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and withdrawn publications. Also known as the International Electrotechnical Vocabulary
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IEC 60974-10 ®
Edition 4.0 2020-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Arc welding equipment –
Part 10: Electromagnetic compatibility (EMC) requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.160.30 ISBN 978-2-8322-8223-6
– 2 – IEC 60974-10:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 9
4 General test requirements . 12
4.1 Test conditions . 12
4.2 Measuring instruments . 12
4.3 Artificial mains network . 12
4.4 Voltage probe . 12
4.5 Antennas . 12
4.6 Load Coupling/decoupling network (CDN) . 13
5 Test set-up for emission and immunity . 13
5.1 General . 13
5.2 Load . 16
5.3 Ancillary equipment . 17
5.3.1 General requirements . 17
5.3.2 Wire feeders . 17
5.3.3 Remote controls . 17
5.3.4 Arc striking and stabilizing devices . 17
5.3.5 Liquid cooling systems . 18
6 Emission tests . 18
6.1 Classification for RF emission tests . 18
6.1.1 Class A equipment . 18
6.1.2 Class B equipment . 18
6.2 Test conditions . 18
6.2.1 Welding power source . 18
6.2.2 Load voltages . 20
6.2.3 Wire feeders . 20
6.2.4 Ancillary equipment . 20
6.3 Emission limits . 20
6.3.1 General . 20
6.3.2 Mains terminal disturbance voltage . 20
6.3.3 Conducted emissions at signal, control and measurement ports . 22
6.3.4 Output current ripple . 22
6.3.5 Electromagnetic radiation disturbance . 23
6.3.6 Harmonics, voltage fluctuations and flicker . 25
7 Immunity tests . 26
7.1 Classification for immunity tests . 26
7.1.1 Applicability of tests . 26
7.1.2 Category 1 equipment. 26
7.1.3 Category 2 equipment. 26
7.2 Test conditions . 27
7.3 Immunity performance criteria . 27
7.3.1 Performance criterion A . 27
7.3.2 Performance criterion B . 27
7.3.3 Performance criterion C . 27
7.4 Immunity levels . 27
8 Documentation for the purchaser/user . 30
Annex A (informative) Installation and use . 32
A.1 General . 32
A.2 Assessment of area . 32
A.3 Assessment of welding installation . 32
A.4 Mitigation measures . 33
Annex B (informative) Limits . 34
B.1 General . 39
B.2 Conducted disturbance voltage limits . 39
B.3 Output current ripple limit . 39
B.4 Radiated disturbance limits . 39
B.5 Output current ripple limits . 39
Annex C (informative) Symbols . 40
Annex D (normative) Battery powered equipment . 41
D.1 General . 41
D.2 Additional emission requirements . 41
D.3 Additional immunity requirements . 41
Annex E (normative) Equipment containing radio devices . 42
E.1 General . 42
E.2 Additional emission requirements . 42
E.3 Additional immunity requirements . 42
Bibliography . 43
Figure 1 – Examples of ports . 11
Figure 2 – Test set-up 1 for arc welding equipment . 14
Figure 3 – Test set-up 2 for portable arc welding equipment . 15
Figure 4 – Top view of test set-up as shown in Figure 2 . 16
Figure 5 – Overview of harmonic requirements for supply current I up to 75 A . 25
1max
Figure 6 – Overview of flicker requirements . 26
Table 1 – Mains terminal disturbance voltage limits, idle state . 21
Table 2 – Mains terminal disturbance voltage limits, load conditions . 22
Table 3 – Output current ripple limits for Class B arc welding power sources . 23
Table 4 – Electromagnetic radiation disturbance – Idle state . 24
Table 5 – Electromagnetic radiation disturbance – Loaded state . 24
Table 6 – Immunity levels – Enclosure . 28
Table 7 – Immunity levels – AC input power port . 28
Table 8 – Immunity levels – Ports for process, signalling, measurement and control . 29
Table B.1 – Mains terminal disturbance voltage limits, idle state .
Table B.2 – Mains terminal disturbance voltage limits, load conditions .
Table B.3 – Electromagnetic radiation disturbance limits, idle state .
Table B.4 – Electromagnetic radiation disturbance limits, load conditions .
Table B.5 – Maximum permissible harmonic current for equipment for non-professional
use with input current I ≤ 16 A .
1max
– 4 – IEC 60974-10:2020 RLV © IEC 2020
Table B.6 – Current emission limits for equipment with I ≤ 75 A other than
1max
balanced three-phase equipment .
Table B.7 – Current emission limits for balanced three-phase equipment with I ≤
1max
75 A .
Table B.8 – Current emission limits for balanced three-phase equipment with I ≤
1max
75 A under specified conditions (a, b, c) .
Table B.9 – Current emission limits for
...
IEC 60974-10 ®
Edition 4.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 10: Electromagnetic compatibility (EMC) requirements
Matériel de soudage à l’arc –
Partie 10: Exigences de compatibilité électromagnétique (CEM)
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 60974-10 ®
Edition 4.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 10: Electromagnetic compatibility (EMC) requirements
Matériel de soudage à l’arc –
Partie 10: Exigences de compatibilité électromagnétique (CEM)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.160.30 ISBN 978-2-8322-8027-0
– 2 – IEC 60974-10:2020 © IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 9
4 General test requirements . 11
4.1 Test conditions . 11
4.2 Measuring instruments . 11
4.3 Artificial mains network . 12
4.4 Voltage probe . 12
4.5 Antennas . 12
4.6 Coupling/decoupling network (CDN). 12
5 Test set-up for emission and immunity . 12
5.1 General . 12
5.2 Load . 15
5.3 Ancillary equipment . 16
5.3.1 General requirements . 16
5.3.2 Wire feeders . 16
5.3.3 Remote controls . 16
5.3.4 Arc striking and stabilizing devices . 16
5.3.5 Liquid cooling systems . 17
6 Emission tests . 17
6.1 Classification for RF emission tests . 17
6.1.1 Class A equipment . 17
6.1.2 Class B equipment . 17
6.2 Test conditions . 17
6.2.1 Welding power source . 17
6.2.2 Load voltages . 18
6.2.3 Wire feeders . 19
6.2.4 Ancillary equipment . 19
6.3 Emission limits . 19
6.3.1 General . 19
6.3.2 Mains terminal disturbance voltage . 19
6.3.3 Conducted emissions at signal, control and measurement ports . 21
6.3.4 Output current ripple . 21
6.3.5 Electromagnetic radiation disturbance . 22
6.3.6 Harmonics, voltage fluctuations and flicker . 23
7 Immunity tests . 25
7.1 Classification for immunity tests . 25
7.1.1 Applicability of tests . 25
7.1.2 Category 1 equipment. 25
7.1.3 Category 2 equipment. 25
7.2 Test conditions . 25
7.3 Immunity performance criteria . 25
7.3.1 Performance criterion A . 25
7.3.2 Performance criterion B . 26
7.3.3 Performance criterion C . 26
7.4 Immunity levels . 26
8 Documentation for the purchaser/user . 28
Annex A (informative) Installation and use . 30
A.1 General . 30
A.2 Assessment of area . 30
A.3 Assessment of welding installation . 30
A.4 Mitigation measures . 31
A.4.1 Public supply system . 31
A.4.2 Maintenance of the arc welding equipment . 31
A.4.3 Welding cables . 31
A.4.4 Equipotential bonding . 31
A.4.5 Earthing of the workpiece . 31
A.4.6 Screening and shielding . 31
Annex B (informative) Limits . 32
B.1 General . 32
B.2 Conducted disturbance voltage limits . 32
B.3 Output current ripple limit . 32
B.4 Radiated disturbance limits . 32
B.5 Output current ripple limits . 32
Annex C (informative) Symbols . 33
Annex D (normative) Battery powered equipment . 34
D.1 General . 34
D.2 Additional emission requirements . 34
D.3 Additional immunity requirements . 34
Annex E (normative) Equipment containing radio devices . 35
E.1 General . 35
E.2 Additional emission require
...
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