EN 62823:2015

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LVWRUVNLPThyristor valves for thyristor controlled series capacitors (TCSC) - Electrical testing31.080.20TiristorjiThyristors17.220.20Measurement of electrical and magnetic quantitiesICS:Ta slovenski standard je istoveten z:EN 62823:2015SIST EN 62823:2016en01-marec-2016SIST EN 62823:2016SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 62823
November 2015 ICS 29.240.99
English Version
Thyristor valves for thyristor controlled series capacitors (TCSC) - Electrical testing (IEC 62823:2015)
Valves à thyristors pour condensateurs série commandés par thyristors (CSCT) - Essai électrique (IEC 62823:2015)
Thyristorventile für thyristorgesteuerte Reihenkondensatoren (TCSC) - Elektrische Prüfung (IEC 62823:2015) This European Standard was approved by CENELEC on 2015-09-24. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17,
B-1000 Brussels © 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62823:2015 E SIST EN 62823:2016

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62823:2015 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 standards indicated: IEC 60068-1 NOTE Harmonized as EN 60068-1. IEC 60143-1 NOTE Harmonized as EN 60143-1. IEC 60721-1 NOTE Harmonized as EN 60721-1. IEC 61000-6-5 NOTE Harmonized as EN 61000-6-5. IEC 61954 NOTE Harmonized as EN 61954. SIST EN 62823:2016

Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When 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.cenelec.eu.
Publication Year Title EN/HD Year IEC 60060-1 2010
High-voltage test techniques - Part 1: General definitions and test requirements EN 60060-1 2010
IEC 60071-1 -
Insulation co-ordination - Part 1: Definitions, principles and rules EN 60071-1 -
IEC 60071-2 -
Insulation co-ordination - Part 2: Application guide EN 60071-2 -
IEC 60270 -
High-voltage test techniques - Partial discharge measurements EN 60270 -
IEC 62823 Edition 1.0 2015-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Thyristor valves for thyristor controlled series capacitors (TCSC) – Electrical testing
Valves à thyristors pour condensateurs série commandés par thyristors (CSCT) – Essai électrique
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE
ICS 29.240.99
ISBN 978-2-8322-2860-9
– 2 – IEC 62823:2015 © IEC 2015 CONTENTS FOREWORD . 5 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 7 4 TCSC valve and valve operation in general . 10 4.1 TCSC installation and TCSC valve . 10 4.2 TCSC valve current and voltage at capacitive boost operation . 12 4.2.1 General . 12 4.2.2 Waveshapes of valve current and voltage in capacitive boost operation . 12 4.2.3 Formulas for TCSC valve current and voltage stresses calculation . 13 4.3 Typical operating pattern of TCSC installation . 15 5 General requirements . 15 5.1 Guidelines for the performance of type tests . 15 5.1.1 Evidence in lieu . 15 5.1.2 Sequence of tests . 16 5.1.3 Ambient temperature for testing . 16 5.1.4 Frequency for testing . 16 5.1.5 Test reports . 16 5.2 Test conditions for dielectric tests . 16 5.2.1 General . 16 5.2.2 Treatment of redundancy in dielectric tests . 16 5.2.3 Atmospheric correction factor . 17 5.3 Test conditions for operational tests . 17 5.3.1 General . 17 5.3.2 Treatment of redundancy in operational tests . 17 5.4 Criteria for successful type testing . 18 5.4.1 General . 18 5.4.2 Criteria applicable to valve levels . 18 5.4.3 Criteria applicable to the valve as a whole . 19 6 Summary of tests . 19 7 Dielectric tests between valve terminals and valve enclosure . 20 7.1 Purpose of tests . 20 7.2 Test object . 21 7.3 Test requirements . 21 7.3.1 AC test . 21 7.3.2 Lightning impulse test . 22 8 Dielectric tests between valve terminals . 22 8.1 Purpose of tests . 22 8.2 Test object . 22 8.3 Test requirements . 23 8.3.1 AC test . 23 8.3.2 Switching impulse test . 24 9 Periodic firing and extinction tests . 24 9.1 Purpose of tests . 24 9.2 Test object . 24 SIST EN 62823:2016

IEC 62823:2015 © IEC 2015 – 3 – 9.3 Test requirements . 25 9.3.1 General . 25 9.3.2 Maximum continuous capacitive boost test . 25 9.3.3 Maximum temporary capacitive boost test . 26 9.3.4 Minimum capacitive boost test . 26 9.3.5 Operation at bypass. 27 10 Fault current tests . 29 10.1 Purpose of tests . 29 10.2 Test object . 29 10.3 Test requirements . 29 10.3.1 Fault current without subsequent blocking . 29 10.3.2 Fault current with subsequent blocking . 29 11 Test for valve insensitivity to electromagnetic disturbance . 30 11.1 Purpose of tests . 30 11.2 Test object . 30 11.3 Test requirements . 30 12 Testing of special features . 30 12.1 Purpose of tests . 30 12.2 Test object . 31 12.3 Test requirements . 31 13 Routine tests . 31 13.1 General . 31 13.2 Visual inspection . 31 13.3 Connection check . 31 13.4 Voltage grading circuit check . 31 13.5 Voltage withstand check . 31 13.6 Partial discharge tests . 31 13.7 Check of auxiliaries . 32 13.8 Firing check . 32 13.9 Cooling system pressure test . 32 14 Presentation of type test results . 32 Annex A (informative)
TCSC valve operating and rating considerations . 33 A.1 Overview.
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