IEC 61954:2021
(Main)Static VAR compensators (SVC) - Testing of thyristor valves
Static VAR compensators (SVC) - Testing of thyristor valves
IEC 61954:2021 defines type, production and optional tests on thyristor valves used in thyristor controlled reactors (TCR), thyristor switched reactors (TSR) and thyristor switched capacitors (TSC) forming part of static VAR compensators (SVC) for power system applications. The requirements of the document apply both to single valve units (one phase) and to multiple valve units (several phases). Clauses 4 to 7 detail the type tests, i.e. tests which are carried out to verify that the valve design meets the requirements specified. Clause 8 covers the production tests, i.e. tests which are carried out to verify proper manufacturing. Clauses 9 and 10 detail optional tests, i.e. tests additional to the type and production tests. This edition includes the following significant technical changes with respect to the previous edition: important clarifications were made in 4.4.1.2, 5.1.2.2, 5.1.3.2, 5.2.3.2, 6.1.2.2, 6.1.2.4, 6.1.3.2, 6.2.2.2, 6.2.2.4, 6.3.2.2 and 9.3.2.
The contents of the corrigendum of June 2024 have been included in this copy.
Compensateurs statiques de puissance réactive (SVC) - Essais des valves à thyristors
L'IEC 61954:2021 définit les essais de type, les essais de production et les essais facultatifs des valves à thyristors utilisées dans les bobines d'inductance commandées par thyristors (TCR - thyristor controlled reactor), les bobines d'inductance commutées par thyristors (TSR - thyristor switched reactor) et les condensateurs commutés par thyristors (TSC - thyristor switched capacitor) qui font partie des compensateurs statiques de puissance réactive (SVC - static VAR compensator) pour des applications de système de puissance. Les exigences du présent document s'appliquent tant aux unités à valve unique (monophasées) qu'aux unités à valves multiples (polyphasées). Les Articles 4 à 7 décrivent les essais de type, c’est-à-dire les essais effectués pour assurer que la conception des valves satisfait aux exigences spécifiées. L’Article 8 traite des essais de production, c'est-à-dire les essais effectués pour assurer que la fabrication est correcte. Les Articles 9 et 10 décrivent des essais facultatifs, c’est-à-dire des essais supplémentaires aux essais de type et de production. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente: d’importantes clarifications ont été apportées en 4.4.1.2, 5.1.2.2, 5.1.3.2, 5.2.3.2, 6.1.2.2, 6.1.2.4, 6.1.3.2, 6.2.2.2, 6.2.2.4, 6.3.2.2 et 9.3.2.
Le contenu du corrigendum de juin 2024 a été pris en considération dans cet exemplaire.
General Information
Relations
Buy Standard
Standards Content (Sample)
IEC 61954 ®
Edition 3.0 2021-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Static VAR compensators (SVC) – Testing of thyristor valves
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.
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 IEC online collection - oc.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
committee, …). It also gives information on projects, replaced have 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 22 000 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 18 additional languages.
once 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.
IEC 61954 ®
Edition 3.0 2021-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Static VAR compensators (SVC) – Testing of thyristor valves
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.240.99; 31.080.20 ISBN 978-2-8322-5023-5
– 2 – IEC 61954:2021 RLV © IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 7
4 General requirements for type, production and optional tests . 9
4.1 Summary of tests . 9
4.2 Objectives of tests . 10
4.2.1 General . 10
4.2.2 Dielectric tests . 10
4.2.3 Operational tests . 10
4.2.4 Electromagnetic interference tests . 11
4.2.5 Production tests . 11
4.2.6 Optional tests. 11
4.3 Guidelines for the performance of type and optional tests . 11
4.4 Test conditions . 12
4.4.1 General . 12
4.4.2 Valve temperature at testing . 13
4.4.3 Redundant thyristor levels . 14
4.5 Permissible component failures during type testing . 14
4.6 Documentation of test results . 14
4.6.1 Test reports to be issued . 14
4.6.2 Contents of a type test report . 15
5 Type tests on TCR and TSR valves . 16
5.1 Dielectric tests between valve terminals and earth . 16
5.1.1 General . 16
5.1.2 AC test . 16
5.1.3 Lightning impulse test . 17
5.2 Dielectric tests between valves (MVU only) . 17
5.2.1 General . 17
5.2.2 AC test . 17
5.2.3 Lightning impulse test . 18
5.3 Dielectric tests between valve terminals . 18
5.3.1 General . 18
5.3.2 AC test . 18
5.3.3 Switching impulse test . 20
5.4 Operational tests . 21
5.4.1 Periodic firing and extinction test . 21
5.4.2 Minimum AC voltage test . 23
5.4.3 Temperature rise test . 23
6 Type tests on TSC valves . 24
6.1 Dielectric tests between valve terminals and earth . 24
6.1.1 General . 24
6.1.2 AC-DC test . 24
6.1.3 Lightning impulse test . 26
6.2 Dielectric tests between valves (for MVU only) . 27
6.2.1 General . 27
6.2.2 AC-DC test . 27
6.2.3 Lightning impulse test . 29
6.3 Dielectric tests between valve terminals . 30
6.3.1 General . 30
6.3.2 AC-DC test . 30
6.3.3 Switching impulse test . 33
6.4 Operational tests . 34
6.4.1 Overcurrent tests . 34
6.4.2 Minimum AC voltage test . 37
6.4.3 Temperature rise test . 38
7 Electromagnetic interference tests . 38
7.1 Objectives . 38
7.2 Test procedures . 38
7.2.1 General . 38
7.2.2 Switching impulse test . 39
7.2.3 Non-periodic firing test . 39
8 Production tests . 39
8.1 General . 39
8.2 Visual inspection . 39
8.3 Connection check . 39
8.4 Voltage-dividing/damping circuit check . 40
8.5 Voltage withstand check . 40
8.6 Check of auxiliaries . 40
8.7 Firing check . 40
8.8 Cooling system pressure test . 40
8.9 Partial discharge tests . 40
9 Optional tests on TCR and TSR valves . 40
9.1 Overcurrent test . 40
9.1.1 Overcurrent with subsequent blocking . 40
9.1.2 Overcurrent without blocking . 41
9.2 Positive voltage transient during recovery test . 41
9.2.1 Objectives . 41
9.2.2 Test values and waveshapes . 41
9.2.3 Test procedures . 42
9.3 Non-periodic firing test . 42
9.3.1 Objectives . 42
9.3.2 Test values and waveshapes . 42
9.3.3 Test procedures . 43
10 Optional tests on TSC valves . 44
10.1 Positive voltage transient during recovery test . 44
10.1.1 Test objective . 44
10.1.2 Test values and waveshapes . 44
10.1.3 Test procedures . 44
10.2 Non-periodic firing test . 44
10.2.1 Objectives . 44
10.2.2 Test values and waveshapes . 45
10.2.3 Test procedures . 46
– 4 – IEC 61954:2021 RLV © IEC 2021
Figure 1 – TSC branch . 35
Figure 2 – One-loop overcurrent . 36
Figure 3 – Two-loop overcurrent . 37
Table 1 – List of tests . 9
Table 2 – Number of thyristor levels permitted to fail during type tests .
...
IEC 61954 ®
Edition 3.0 2021-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Static VAR compensators (SVC) – Testing of thyristor valves
Compensateurs statiques de puissance réactive (SVC) – Essais des valves à
thyristors
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 IEC online collection - oc.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
committee, …). It also gives information on projects, replaced have 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 22 000 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 18 additional languages.
once 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.
A propos de l'IEC
La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications IEC
Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la
plus récente, un corrigendum ou amendement peut avoir été publié.
Recherche de publications IEC - IEC online collection - oc.iec.ch
webstore.iec.ch/advsearchform Découvrez notre puissant moteur de recherche et consultez
La recherche avancée permet de trouver des publications IEC gratuitement tous les aperçus des publications. Avec un
en utilisant différents critères (numéro de référence, texte, abonnement, vous aurez toujours accès à un contenu à jour
comité d’études, …). Elle donne aussi des informations sur adapté à vos besoins.
les projets et les publications remplacées ou retirées.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
Le premier dictionnaire d'électrotechnologie en ligne au
Restez informé sur les nouvelles publications IEC. Just
monde, avec plus de 22 000 articles terminologiques en
Published détaille les nouvelles publications parues.
anglais et en français, ainsi que les termes équivalents dans
Disponible en ligne et une fois par mois par email.
16 langues additionnelles. Egalement appelé Vocabulaire
Electrotechnique International (IEV) en ligne.
Service Clients - webstore.iec.ch/csc
Si vous désirez nous donner des commentaires sur cette
publication ou si vous avez des questions contactez-nous:
sales@iec.ch.
IEC 61954 ®
Edition 3.0 2021-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Static VAR compensators (SVC) – Testing of thyristor valves
Compensateurs statiques de puissance réactive (SVC) – Essais des valves à
thyristors
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.240.99; 31.080.20 ISBN 978-2-8322-1033-1
– 2 – IEC 61954:2021 © IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 7
4 General requirements for type, production and optional tests . 9
4.1 Summary of tests . 9
4.2 Objectives of tests . 10
4.2.1 General . 10
4.2.2 Dielectric tests . 10
4.2.3 Operational tests . 10
4.2.4 Electromagnetic interference tests . 11
4.2.5 Production tests . 11
4.2.6 Optional tests. 11
4.3 Guidelines for the performance of type and optional tests . 11
4.4 Test conditions . 12
4.4.1 General . 12
4.4.2 Valve temperature at testing . 13
4.4.3 Redundant thyristor levels . 13
4.5 Permissible component failures during type testing . 14
4.6 Documentation of test results . 14
4.6.1 Test reports to be issued . 14
4.6.2 Contents of a type test report . 15
5 Type tests on TCR and TSR valves . 15
5.1 Dielectric tests between valve terminals and earth . 15
5.1.1 General . 15
5.1.2 AC test . 16
5.1.3 Lightning impulse test . 16
5.2 Dielectric tests between valves (MVU only) . 17
5.2.1 General . 17
5.2.2 AC test . 17
5.2.3 Lightning impulse test . 18
5.3 Dielectric tests between valve terminals . 18
5.3.1 General . 18
5.3.2 AC test . 18
5.3.3 Switching impulse test . 20
5.4 Operational tests . 21
5.4.1 Periodic firing and extinction test . 21
5.4.2 Minimum AC voltage test . 22
5.4.3 Temperature rise test . 23
6 Type tests on TSC valves . 23
6.1 Dielectric tests between valve terminals and earth . 23
6.1.1 General . 23
6.1.2 AC-DC test . 24
6.1.3 Lightning impulse test . 25
6.2 Dielectric tests between valves (for MVU only) . 26
6.2.1 General . 26
6.2.2 AC-DC test . 26
6.2.3 Lightning impulse test . 28
6.3 Dielectric tests between valve terminals . 28
6.3.1 General . 28
6.3.2 AC-DC test . 28
6.3.3 Switching impulse test . 30
6.4 Operational tests . 31
6.4.1 Overcurrent tests . 31
6.4.2 Minimum AC voltage test . 35
6.4.3 Temperature rise test . 36
7 Electromagnetic interference tests . 36
7.1 Objectives . 36
7.2 Test procedures . 36
7.2.1 General . 36
7.2.2 Switching impulse test . 37
7.2.3 Non-periodic firing test . 37
8 Production tests . 37
8.1 General . 37
8.2 Visual inspection . 37
8.3 Connection check . 37
8.4 Voltage-dividing/damping circuit check . 38
8.5 Voltage withstand check . 38
8.6 Check of auxiliaries . 38
8.7 Firing check . 38
8.8 Cooling system pressure test . 38
8.9 Partial discharge tests . 38
9 Optional tests on TCR and TSR valves . 38
9.1 Overcurrent test . 38
9.1.1 Overcurrent with subsequent blocking . 38
9.1.2 Ove
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.