IEC 61442:2023
(Main)Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)
Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)
IEC 61442:2023 specifies the test methods applicable for type testing accessories for power cables with rated voltages from 3,6/6 (7,2) kV up to 18/30 (36) kV. The test methods specified in this document apply to accessories for extruded and paper insulated cables according to IEC 60502-2 and IEC 60055-1 respectively.
Méthodes d'essais des accessoires de câbles d'énergie de tensions assignées de 6 kV (Um = 7,2 kV) à 30 kV (Um = 36 kV)
L'IEC 61442:2023 définit les méthodes d’essais applicables aux essais de type des accessoires de câbles d’énergie de tensions assignées de 3,6/6 (7,2) kV à 18/30 (36) kV inclus. Les méthodes d’essais spécifiées dans le présent document s’appliquent aux accessoires pour câbles à isolant extrudé et pour câbles isolés au papier imprégné, conformément à l’IEC 60502- 2 et l’IEC 60055-1, respectivement.
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IEC 61442 ®
Edition 3.0 2023-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Test methods for accessories for power cables with rated voltages from 6 kV
(U = 7,2 kV) up to 30 kV (U = 36 kV)
m m
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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International Standards for all electrical, electronic and related technologies.
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IEC 61442 ®
Edition 3.0 2023-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Test methods for accessories for power cables with rated voltages from 6 kV
(U = 7,2 kV) up to 30 kV (U = 36 kV)
m m
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 19.080, 29.060.20 ISBN 978-2-8322-7726-3
– 2 – IEC 61442:2023 RLV © IEC 2023
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Test installations and conditions . 7
5 AC voltage tests . 8
5.1 Dry test for all accessories . 9
5.1.1 Installation . 9
5.1.2 Method . 9
5.2 Wet test for outdoor terminations . 9
5.2.1 Installation . 9
5.2.2 Method . 9
5.3 Test in water for stop ends . 9
5.3.1 Installation . 9
5.3.2 Method . 9
6 DC voltage tests . 9
6.1 Installation . 9
6.2 Method . 10
7 Impulse voltage tests . 10
7.1 Installation . 10
7.2 Method . 10
7.3 Test at elevated temperature . 10
8 Partial discharge test . 10
8.1 General . 10
8.2 Method . 11
8.3 Test at elevated temperature . 11
9 Tests at elevated temperature . 11
9.1 Installation and connection . 11
9.2 Measurement of temperature . 11
9.2.1 Cable conductor temperature . 11
9.2.2 Thermocouple position. 11
10 Heating cycle voltage test . 14
10.1 Installation and method . 17
10.2 Test in air . 18
10.3 Test in water . 18
10.4 Immersion test for outdoor terminations . 19
10.4.1 Installation . 19
10.4.2 Method . 19
11 Thermal short-circuit test (screen) . 19
11.1 Installation . 19
11.2 Method . 19
12 Thermal short-circuit test (conductor) . 20
12.1 Installation . 20
12.2 Method . 20
13 Dynamic short-circuit test . 21
13.1 General . 21
13.2 Installation . 21
13.3 Method . 21
14 Humidity and salt fog tests. 21
14.1 Apparatus . 21
14.2 Installation . 21
14.3 Method . 22
15 Impact test at ambient temperature . 22
16 Screen resistance measurement . 24
16.1 General . 24
16.2 Installation . 24
16.3 Method . 24
17 Screen leakage current measurement . 25
17.1 General . 25
17.2 Installation . 25
17.3 Method . 25
18 Screen fault current initiation test . 26
18.1 General . 26
18.2 Installation . 26
18.3 Method . 27
18.3.1 Solidly earthed system . 27
18.3.2 Unearthed or impedance earthed system . 27
19 Operating force test . 28
19.1 General . 28
19.2 Installation . 28
19.3 Method . 28
20 Operating eye test . 28
20.1 General . 28
20.2 Installation . 28
20.3 Method . 28
21 Capacitive test point performance . 28
21.1 General . 28
21.2 Installation . 29
21.3 Test method . 29
Annex A (informative) Determination of the cable conductor temperature . 30
A.1 Purpose . 30
A.2 Calibration of the test cable conductor temperature . 30
A.2.1 General . 30
A.2.2 Installation of cable and thermocouples . 30
A.2.3 Method . 31
A.3 Heating for accessory test. 32
A.3.1 General . 32
A.3.2 Method 1: Test based on measurement of ambient temperature . 32
A.3.3 Method 2: Test based on measurement of the external surface
temperature . 33
A.3.4 Method 3: Test using a control cable . 34
Annex B (informative) Details of the test chamber and spray equipment for humidity
and salt fog tests . 35
-------
...
IEC 61442 ®
Edition 3.0 2023-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Test methods for accessories for power cables with rated voltages from 6 kV
(U = 7,2 kV) up to 30 kV (U = 36 kV)
m m
Méthodes d'essais des accessoires de câbles d'énergie de tensions assignées
de 6 kV (U = 7,2 kV) à 30 kV (U = 36 kV)
m m
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.
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utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et
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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 IEC Products & Services Portal - products.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always have
committee, …). It also gives information on projects, replaced access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 300 terminological entries in English
details all new publications released. Available online and once
and French, with equivalent terms in 19 additional languages.
a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc
If you wish to give us your feedback on this publication or need
further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 61442 ®
Edition 3.0 2023-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Test methods for accessories for power cables with rated voltages from 6 kV
(U = 7,2 kV) up to 30 kV (U = 36 kV)
m m
Méthodes d'essais des accessoires de câbles d'énergie de tensions assignées
de 6 kV (U = 7,2 kV) à 30 kV (U = 36 kV)
m m
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 19.080, 29.060.20 ISBN 978-2-8322-7637-2
– 2 – IEC 61442:2023 © IEC 2023
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Test installations and conditions . 8
5 AC voltage tests . 9
5.1 Dry test for all accessories . 9
5.1.1 Installation . 9
5.1.2 Method . 9
5.2 Wet test for outdoor terminations . 9
5.2.1 Installation . 9
5.2.2 Method . 9
5.3 Test in water for stop ends . 9
5.3.1 Installation . 9
5.3.2 Method . 9
6 DC voltage tests . 9
6.1 Installation . 9
6.2 Method . 9
7 Impulse voltage tests . 10
7.1 Installation . 10
7.2 Method . 10
7.3 Test at elevated temperature . 10
8 Partial discharge test . 10
8.1 General . 10
8.2 Method . 10
8.3 Test at elevated temperature . 10
9 Tests at elevated temperature . 11
9.1 Installation and connection . 11
9.2 Measurement of temperature . 11
9.2.1 Cable conductor temperature . 11
9.2.2 Thermocouple position. 11
10 Heating cycle voltage test . 15
10.1 Installation and method . 15
10.2 Test in air . 16
10.3 Test in water . 16
10.4 Immersion test for outdoor terminations . 17
10.4.1 Installation . 17
10.4.2 Method . 17
11 Thermal short-circuit test (screen) . 17
11.1 Installation . 17
11.2 Method . 17
12 Thermal short-circuit test (conductor) . 18
12.1 Installation . 18
12.2 Method . 18
13 Dynamic short-circuit test . 19
13.1 General . 19
13.2 Installation . 19
13.3 Method . 19
14 Humidity and salt fog tests. 19
14.1 Apparatus . 19
14.2 Installation . 19
14.3 Method . 20
15 Impact test at ambient temperature . 20
16 Screen resistance measurement . 21
16.1 General . 21
16.2 Installation . 21
16.3 Method . 21
17 Screen leakage current measurement . 22
17.1 General . 22
17.2 Installation . 22
17.3 Method . 22
18 Screen fault current initiation test . 23
18.1 General . 23
18.2 Installation . 23
18.3 Method . 24
18.3.1 Solidly earthed system . 24
18.3.2 Unearthed or impedance earthed system . 24
19 Operating force test . 25
19.1 General .
...
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