EN 62271-109:2006

SLOVENSKI STANDARD
01-november-2007
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High-voltage switchgear and controlgear -- Part 109: Alternating-current series capacitor
by-pass switches (IEC 62271-109:2006)
Hochspannungs-Schaltgeräte und -Schaltanlagen -- Teil 109: Wechselstrom-
Überbrückungsschalter für Reihenkondensatoren (IEC 62271-109:2006)
Appareillage a haute tension -- Partie 109: Interrupteurs de contournement pour
condensateurs série a courant alternatif (IEC 62271-109:2006)
Ta slovenski standard je istoveten z: EN 62271-109:2006
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 62271-109
NORME EUROPÉENNE
December 2006
EUROPÄISCHE NORM
ICS 29.130.10
English version
High-voltage switchgear and controlgear
Part 109: Alternating-current series capacitor by-pass switches
(IEC 62271-109:2006)
Appareillage à haute tension Hochspannungs-Schaltgeräte
Partie 109: Interrupteurs de und -Schaltanlagen
contournement pour condensateurs Teil 109: Wechselstrom-
série à courant alternatif Überbrückungsschalter
(CEI 62271-109:2006) für Reihenkondensatoren
(IEC 62271-109:2006)
This European Standard was approved by CENELEC on 2006-11-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62271-109:2006 E
Foreword
The text of document 17A/759/FDIS, future edition 1 of IEC 62271-109, prepared by SC 17A,
High-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as EN 62271-109 on 2006-11-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-08-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-11-01
This standard should be read in conjunction with EN 62271-100:2001 and EN 60694:1996, to which it
refers and which is applicable, unless otherwise specified. In order to simplify the indication of
corresponding requirements, the same numbering of clauses and subclauses is used as in EN 60694.
Amendments to these clauses and subclauses are given under the same numbering, whilst additional
subclauses are numbered from 101.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62271-109:2006 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 60071-1 NOTE  Harmonized as EN 60071-1:1995 (not modified).
IEC 60071-2 NOTE  Harmonized as EN 60071-2:1997 (not modified).
IEC 61166 NOTE  Harmonized as EN 61166:1993 (not modified).
IEC 62271-200 NOTE  Harmonized as EN 62271-200:2004 (not modified).
IEC 62271-203 NOTE  Harmonized as EN 62271-203:2004 (not modified).
__________
- 3 - EN 62271-109:2006
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60050-151 2001 International Electrotechnical Vocabulary - -
(IEV)
Part 151: Electrical and magnetic devices

IEC 60050-436 1990 International Electrotechnical Vocabulary - -
(IEV)
Chapter 436: Power capacitors
IEC 60050-441 1984 International Electrotechnical Vocabulary - -
(IEV)
Chapter 441: Switchgear, controlgear and
fuses
IEC 60050-604 1987 International Electrotechnical Vocabulary - -
(IEV)
Chapter 604: Generation, transmission and
distribution of electricity - Operation

IEC 60060 Series High-voltage test techniques EN 60060 Series

IEC 60137 2003 Insulated bushings for alternating voltages EN 60137 2003
above 1 000 V
IEC 60143-1 2004 Series capacitors for power systems EN 60143-1 2004
Part 1: General
IEC 60143-2 1994 Series capacitors for power systems EN 60143-2 1994
Part 2: Protective equipment for series
capacitor banks
IEC 60296 2003 Fluids for electrotechnical applications - EN 60296 2004
Unused mineral insulating oils for + corr. September 2004
transformers and switchgear
IEC 60376 2005 Specification of technical grade sulfur EN 60376 2005
hexafluoride (SF ) for use in electrical
equipment
1)
IEC 60427 2000 Synthetic testing of high-voltage alternating EN 60427 2000
current circuit-breakers
IEC 60480 2004 Guidelines for the checking and treatment of EN 60480 2004
sulphur hexafluoride (SF ) taken from
electrical equipment and specification for its
re-use
1)
EN 60427 is superseded by EN 62271-101:2006, which is based on IEC 62271-101:2006.

Publication Year Title EN/HD Year
IEC 60529 1989 Degrees of protection provided by enclosures EN 60529 1991
(IP Code) + corr. May 1993
IEC 60694 1996 Common specifications for high-voltage EN 60694 1996
switchgear and controlgear standards + corr. May 1999

IEC/TS 61634 1995 High-voltage switchgear and controlgear - - -
Use and handling of sulphur hexafluoride
(SF ) in high-voltage switchgear and
controlgear
IEC 62271-100 2001 High-voltage switchgear and controlgear EN 62271-100 2001
Part 100: High-voltage alternating-current
circuit-breakers
IEC 62271-102 2001 High-voltage switchgear and controlgear
+ corr. April 2002 Part 102: Alternating current disconnectors EN 62271-102 2002
+ corr. May 2003 and earthing switches + corr. March 2005

NORME CEI
INTERNATIONALE
IEC
62271-109
INTERNATIONAL
Première édition
STANDARD
First edition
2006-08
Appareillage à haute tension –
Partie 109:
Interrupteurs de contournement pour
condensateurs série à courant alternatif

High-voltage switchgear and controlgear –
Part 109:
Alternating-current series capacitor
by-pass switches
 IEC 2006 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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62271-109  IEC:2006 – 3 –
CONTENTS
FOREWORD.13
1 General .17
1.1 Scope.17
1.2 Normative references .17
2 Normal and special service conditions .19
3 Terms and definitions .19
3.1 General terms.19
3.2 Assemblies .23
3.3 Parts of assemblies .23
3.4 Switching devices .23
3.5 Parts of by-pass switches .27
3.6 Operation .31
3.7 Characteristic quantities .33
3.8 Definitions related to series capacitor banks.43
3.9 Index of definitions .49
4 Ratings.55
4.1 Rated voltage (U ) .55
r
4.2 Rated insulation level.57
4.3 Rated frequency (f ).57
r
4.4 Rated normal current (I ) and temperature rise .57
r
4.5 Rated short-time withstand current (I ) .57
k
4.6 Rated peak withstand current (I ) .57
p
4.7 Rated duration of short circuit (t ).57
k
4.8 Rated supply voltage of closing and opening devices and of auxiliary and
control circuits (U ) .59
a
4.9 Rated supply frequency of closing and opening devices and auxiliary
circuits.59
4.10 Rated pressures of compressed gas supply for insulation, operation and/or
by-passing and insertion.59
4.101 Rated operating sequence .59
4.102 Rated by-pass making current (IBP) .59
4.104 Rated reinsertion voltage (UINS) .61
4.105 Rated time quantities.63
4.106 Number of mechanical operations.63
5 Design and construction .63
5.1 Requirements for liquids in by-pass switches.63
5.2 Requirements for gases in by-pass switches.63
5.3 Earthing of by-pass switches .65
5.4 Auxiliary equipment .65
5.5 Dependent power operation.67
5.6 Stored energy operation .67
5.7 Independent manual operation.67
5.8 Operation of releases .67
5.9 Low- and high-pressure interlocking devices.69
5.10 Nameplates .69

62271-109  IEC:2006 – 5 –
5.11 Interlocking devices.73
5.12 Position indication.73
5.13 Degrees of protection by enclosures.
...