EN IEC 62271-101:2021

High-voltage switchgear and controlgear - Part 101: Synthetic testing

EN IEC 62271-101:2021

Name:EN IEC 62271-101:2021   Standard name:High-voltage switchgear and controlgear - Part 101: Synthetic testing
Standard number:EN IEC 62271-101:2021   language:English language
Release Date:16-Sep-2021   technical committee:CLC/TC 17AC - High-voltage switchgear and controlgear
Drafting committee:IEC/SC 17A - IEC_SC_17A   ICS number:29.130.10 - High voltage switchgear and controlgear

SLOVENSKI STANDARD
01-november-2021
Nadomešča:
SIST EN 62271-101:2013
SIST EN 62271-101:2013/A1:2018
Visokonapetostne stikalne in krmilne naprave - 101. del: Sintetično preskušanje
(IEC 62271-101:2021)
High-voltage switchgear and controlgear - Part 101: Synthetic testing (IEC 62271-
101:2021)
Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil 101: Synthetische Prüfung (IEC
62271-101:2021)
Appareillage à haute tension - Partie 101: Essais synthétiques (IEC 62271-101:2021)
Ta slovenski standard je istoveten z: EN IEC 62271-101:2021
ICS:
29.130.10 Visokonapetostne stikalne in High voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62271-101

NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2021
ICS 29.130.10 Supersedes EN 62271-101:2013 and all of its
amendments and corrigenda (if any)
English Version
High-voltage switchgear and controlgear - Part 101: Synthetic
testing
(IEC 62271-101:2021)
Appareillage à haute tension - Partie 101: Essais Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil
synthétiques 101: Synthetische Prüfung
(IEC 62271-101:2021) (IEC 62271-101:2021)
This European Standard was approved by CENELEC on 2021-08-31. 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,
Turkey 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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62271-101:2021 E

European foreword
The text of document 17A/1312/FDIS, future edition 3 of IEC 62271-101, prepared by SC 17A
“Switching devices” of IEC/TC 17 “High-voltage switchgear and controlgear” was submitted to the IEC-
CENELEC parallel vote and approved by CENELEC as EN IEC 62271-101:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-05-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-08-31
document have to be withdrawn
This document supersedes EN 62271-101:2013 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.
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 62271-101:2021 was approved by CENELEC as a
European Standard without any modification.
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.cenelec.eu.
Publication Year Title EN/HD Year
IEC 62271-100 2021 High-voltage switchgear and controlgear - EN IEC 62271-100 2021
Part 100: Alternating-current circuit-
breakers
IEC 62271-101
Edition 3.0 2021-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –

Part 101: Synthetic testing
Appareillage à haute tension –

Partie 101: Essais synthétiques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-1004-6

– 2 – IEC 62271-101:2021 © IEC 2021
CONTENTS
FOREWORD . 9
1 Scope . 11
2 Normative references. 11
3 Terms and definitions . 11
4 Synthetic testing techniques and methods for short-circuit breaking tests . 13
4.1 Basic principles and general requirements for synthetic breaking test
methods . 13
4.1.1 General . 13
4.1.2 High-current interval . 14
4.1.3 Interaction interval . 15
4.1.4 High-voltage interval . 15
4.2 Synthetic test circuits and related specific requirements for breaking tests . 18
4.2.1 Current injection methods . 18
4.2.2 Voltage injection method . 19
4.2.3 Duplicate circuit method (transformer or Skeats circuit) . 20
4.2.4 Other synthetic test methods . 20
4.3 Three-phase synthetic test methods . 20
5 Synthetic testing techniques and methods for short-circuit making tests . 24
5.1 Basic principles and general requirements for synthetic making test methods . 24
5.1.1 General . 24
5.1.2 High-voltage interval . 27
5.1.3 Pre-arcing interval . 27
5.1.4 Latching interval and fully closed position . 27
5.2 Synthetic test circuit and related specific requirements for making tests . 27
5.2.1 General . 27
5.2.2 Test circuit and test requirements . 27
5.2.3 Alternative test method with reduced voltage . 32
7 Type tests . 33
7.102 General . 33
7.104 Demonstration of arcing times . 34
7.107 Terminal fault tests . 45
7.109 Short-line fault tests . 49
7.110 Out-of-phase making and breaking tests . 50
7.111 Capacitive current tests . 50
Annex A (normative) Correction of di/dt and TRV for test duty T100a . 53
A.1 General . 53
A.2 Reduction in di/dt . 53
A.3 Corrected TRV for the first-pole-to-clear with required asymmetry . 53
A.4 Correction of the di/dt and TRV of the first-pole-to-clear for tests with
intermediate asymmetry . 60
A.5 Correction of the di/dt and TRV of the second- or last-pole-to-clear with
major extended loop with required asymmetry during three-phase tests . 61
A.6 Correction of the di/dt and TRV during tests with a subsequent minor loop . 61
A.7 Calculation of the di/dt and TRV of the first-pole-to-clear . 61
A.7.1 General . 61
A.7.2 Calculation of di/dt . 61

IEC 62271-101:2021 © IEC 2021 – 3 –
A.7.3 Calculation of TRV . 62
A.7.4 Examples of calculation of di/dt and TRV . 64
Annex B (normative) Tolerances on test quantities for type tests . 66
Annex C (normative) Information to be given and results to be recorded for synthetic
tests . 69
C.1 General . 69
C.2 Auxiliary circuit-breaker . 69
C.3 Test conditions . 69
C.4 Quantities to be recorded . 69
C.4.1 General . 69
C.4.2 Voltages . 69
C.4.3 Currents . 69
Annex D (normative) Test procedure using a three-phase current circuit and one
voltage circuit . 70
D.1 Test circuit . 70
D.2 Test method . 71
D.2.1 General . 71
D.2.2 Test duty T100s(b) . 71
D.2.3 Test duty T100a . 80
D.2.4 Combination of first-pole-to-clear factors 1,3 and 1,5 . 89
Annex E (normative) Splitting of test duties in test series taking into account the
associated TRV for each pole-to-clear . 92
E.1 General . 92
E.2 Test-duties T10, T30, T60, T100s(b), OP1 and OP2(b). 92
E.2.1 Test procedure for first-pole-to-clear factors 1,5 and 2,5 . 92
E.2.2 Test procedure for first-pole-to-clear factors 1,3 and 2,0 . 93
E.2.3 Test procedure for first-pole-to-clear factor 1,2 . 94
E.3 Test duty T100a .
...

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