|
IEC 60974-10
Edition 4.0 2020-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Arc welding equipment –
Part 10: Electromagnetic compatibility (EMC) requirements
your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de
CH-1211 Geneva 20
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and withdrawn publications.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
.
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
...