EN IEC 60143-4:2024

SLOVENSKI STANDARD
01-marec-2024
Zaporedni kondenzatorji za elektroenergetske sisteme - 4. del: Zaporedni
kondenzatorji s tiristorskim upravljanjem (IEC 60143-4:2023)
Series capacitors for power systems - Part 4: Thyristor controlled series capacitors (IEC
60143-4:2023)
Reihenkondensatoren für Starkstromanlagen - Teil 4: Thyristorgesteuerte
Reihenkondensatoren (IEC 60143-4:2023)
Condensateurs série destinés à être installés sur des réseaux - Partie 4: Condensateurs
série commandés par thyristors (IEC 60143-4:2023)
Ta slovenski standard je istoveten z: EN IEC 60143-4:2024
ICS:
29.240.99 Druga oprema v zvezi z Other equipment related to
omrežji za prenos in power transmission and
distribucijo električne energije distribution networks
31.060.70 Močnostni kondenzatorji Power capacitors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60143-4

NORME EUROPÉENNE
EUROPÄISCHE NORM January 2024
ICS 29.240.99; 31.060.70 Supersedes EN 60143-4:2010
English Version
Series capacitors for power systems - Part 4: Thyristor controlled
series capacitors
(IEC 60143-4:2023)
Condensateurs série destinés à être installés sur des Reihenkondensatoren für Starkstromanlagen - Teil 4:
réseaux - Partie 4: Condensateurs série commandés par Thyristorgesteuerte Reihenkondensatoren
thyristors (IEC 60143-4:2023)
(IEC 60143-4:2023)
This European Standard was approved by CENELEC on 2024-01-18. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye 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
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60143-4:2024 E

European foreword
The text of document 33/696/FDIS, future edition 2 of IEC 60143-4, prepared by IEC/TC 33 "Power
capacitors and their applications" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60143-4:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-10-18
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-01-18
document have to be withdrawn
This document supersedes EN 60143-4:2010 and all of its amendments and corrigenda (if any).
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.
This document is read in conjunction with EN 60143-1:2015, EN 60143-2:2013 and EN 60143-3:2015.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60143-4:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60060-2 NOTE Approved as EN 60060-2
IEC 60068-1 NOTE Approved as EN 60068-1
IEC 60068-3-3 NOTE Approved as EN IEC 60068-3-3
IEC 60721-1 NOTE Approved as EN 60721-1
IEC 61000-4-2 NOTE Approved as EN 61000-4-2
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.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-436 - International Electrotechnical Vocabulary. - -
Chapter 436: Power capacitors
IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - EN 60068-2-2 -
Test B: Dry heat
IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - EN 60068-2-78 -
Test Cab: Damp heat, steady state
IEC 60076-1 - Power transformers - Part 1: General EN 60076-1 -
IEC 60076-6 2007 Power transformers - Part 6: Reactors EN 60076-6 2008
IEC 60143-1 2015 Series capacitors for power systems - Part EN 60143-1 2015
1: General
IEC 60143-2 2012 Series capacitors for power systems - Part EN 60143-2 2013
2: Protective equipment for series
capacitor banks
IEC 60143-3 2015 Series capacitors for power systems - Part EN 60143-3 2015
3: Internal fuses
IEC 60255-21 series Electrical relays - Part 21: Vibration, shock, EN 60255-21 series
bump and seismic tests on measuring
relays and protection equipment
IEC 60255-27 - Measuring relays and protection equipment EN 60255-27 -
- Part 27: Product safety requirements
IEC 61000-4 series Electromagnetic compatibility (EMC) - Part EN 61000-4 series
4: Testing and measurement techniques
IEC 61000-4-11 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-4-11 -
4-11: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests for equipment with input
current up to 16 A per phase
IEC 61000-4-29 - Electromagnetic compatibility (EMC) - Part EN 61000-4-29 -
4-29: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations on d.c.
input power port immunity tests
IEC 62823 2015 Thyristor valves for thyristor controlled EN 62823 2015
series capacitors (TCSC) - Electrical
testing
+ A1 2019  + A1 2020
IEC 60143-4 ®
Edition 2.0 2023-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Series capacitors for power systems –

Part 4: Thyristor controlled series capacitors

Condensateurs série destinés à être installés sur des réseaux –

Partie 4: Condensateurs série commandés par thyristors

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.240.99, 31.060.70 ISBN 978-2-8322-8029-4

– 2 – IEC 60143-4:2023 © IEC 2023
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 11
4 Operating and rating considerations . 11
4.1 General . 11
4.2 TCSC characteristics . 14
4.3 Operating range . 15
4.4 Reactive power rating . 16
4.5 Power oscillation damping (POD) . 16
4.6 SSR mitigation . 16
4.7 Harmonics . 17
4.8 Control interactions between TCSCs in parallel lines . 17
4.9 Operating range, overvoltages and duty cycles . 17
4.9.1 Operating range . 17
4.9.2 Transient overvoltages . 18
4.9.3 Duty cycles . 18
5 Valve control . 18
5.1 Triggering system . 18
5.2 System aspects . 19
5.3 Normal operating conditions . 19
5.4 Valve firing during system faults . 20
5.5 Actions at low line current . 20
5.6 Monitoring . 20
6 Ratings . 20
6.1 General . 20
6.2 Capacitor rating . 21
6.3 Reactor rating . 21
6.4 Thyristor valve rating . 21
6.4.1 General . 21
6.4.2 Current capability . 21
6.4.3 Voltage capability . 22
6.5 Varistor rating . 24
6.6 Insulation level and creepage distance. 25
7 Tests . 25
7.1 General . 25
7.2 Test of the capacitor . 25
7.2.1 General . 25
7.2.2 Routine tests . 25
7.2.3 Type tests . 26
7.2.4 Special test (ageing test) . 26
7.3 Tests of the TCSC reactor . 26
7.3.1 General . 26
7.3.2 Routine tests . 26

IEC 60143-4:2023 © IEC 2023 – 3 –
7.3.3 Type tests . 27
7.3.4 Special tests . 27
7.4 Tests of thyristor valves . 27
7.4.1 General .
...