EN 60099-8:2011

Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV

IEC 60099-8:2011 covers metal-oxide surge arresters with external series gap (externally gapped line arresters (EGLA) that are applied on overhead transmission and distribution lines, only to protect insulator assemblies from lightning-caused flashovers. This standard defines surge arresters to protect the insulator assembly from lightning-caused overvoltages only. Designs with the EGLA's external series gap installed in parallel to an insulator are not covered by this standard.

Überspannungsableiter – Teil 8: Metalloxid-Überspannungsableiter mit externer Serienfunkenstrecke (EGLA) für Übertragungs- und Verteilungsleitungen von Wechselstromsystemen über 1 kV

Parafoudres - Partie 8: Parafoudres à oxyde métallique avec éclateur extérieur en série (EGLA) pour lignes aériennes de transmission et de distribution de réseaux à courant alternatif de plus de 1 kV

La CEI 60099-8:2011 concerne les parafoudres à oxyde métallique, de ligne avec éclateur extérieur en série (EGLA) utilisés sur les lignes aériennes de transmission et de distribution, uniquement pour protéger les ensembles isolateurs contre les contournements provoqués par la foudre. Cette norme définit des parafoudres destinés à protéger l'ensemble isolateur uniquement contre les surtensions provoquées par la foudre. Les conceptions avec des EGLA à éclateur extérieur en série montés en parallèle sur un isolateur ne sont pas couvertes par la présente norme.

Prenapetostni odvodniki - 8. del: Kovinsko-oksidni prenapetostni odvodniki z zunanjim zaporedno vezanim iskriščem (EGLA) za nadzemne prenosne in razdelilne vode v izmeničnih sistemih nad 1 kV (IEC 60099-8:2011)

Ta del IEC 60099 zajema kovinsko-oksidne prenapetostne odvodnike z zunanjim zaporedno vezanim iskriščem (EGLA), ki se uporabljajo na nadzemnih prenosnih in razdelilnih vodih samo za zaščito izolacijskih sklopov pred prebojnim vžigom zaradi delovanja strele.
Ta standard določa prenapetostne odvodnike, ki ščitijo izolacijski sklop samo pred prenapetostjo, ki jo povzroča delovanje strele. Iz tega razloga in ker kovinsko-oksidni upori niso trajno povezani z vodom, ta standard ne obravnava naslednjih postavk:
• prebojne napetosti pri preklopnem impulzu;
• preostale napetosti pri strmem tokovnem impulzu in preklopnem tokovnem impulzu;
• toplotne stabilnosti;
• odpornosti proti dolgotrajnemu tokovnemu impulzu;
• električne napetosti v odvisnosti od časa trajanja prenapetostnega odvodnika;
• preskusa prekinjal;
• vpliva električne napetosti na delovanje pri staranju.
Glede na poseben koncept zasnove in posebno uporabo na nadzemnih prenosnih in razdelilnih vodih so vpeljane nekatere edinstvene zahteve in preskusi, kot so preskus preverjanja za koordinacijo med odpornostjo izolatorjev in zaščitno ravnjo EGLA, prekinjevalni preskus sledilnega toka, preskusi z mehansko obremenitvijo itd.
Ta standard ne zajema zasnov z zunanjim zaporedno vezanim iskriščem EGLA, nameščenim vzporedno z izolatorjem.

General Information

• Status: Withdrawn
• Publication Date: 14-Apr-2011
• Withdrawal Date: 02-Mar-2014
• ICS: 29.240.10 - Substations. Surge arresters
• Technical Committee: CLC/SR 37 - Surge arresters
• Drafting Committee: IEC/TC 37 - IEC_TC_37
• Parallel Committee: IEC/TC 37 - IEC_TC_37
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 19-Dec-2020
• Completion Date: 19-Dec-2020
• Ref Project: SIST EN 60099-8:2011 - Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV

Relations

• Replaced By: EN IEC 60099-8:2018 - Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV
• Effective Date: 07-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2011
3UHQDSHWRVWQLRGYRGQLNLGHO.RYLQVNRRNVLGQLSUHQDSHWRVWQLRGYRGQLNL]
]XQDQMLP]DSRUHGQRYH]DQLPLVNULãþHP(*/$]DQDG]HPQHSUHQRVQHLQ
UD]GHOLOQHYRGHYL]PHQLþQLKVLVWHPLKQDGN9,(&
Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for
overhead transmission and distribution lines of a.c. systems above 1 kV
Überspannungsableiter - Teil 8: Metalloxid-Überspannungsableiter mit externer
Serienfunkenstrecke (EGLA) für Übertragungs- und Verteilungsleitungen von
Wechselstromsystemen über 1 kV
Parafoudres - Partie 8: Parafoudres à oxyde métallique avec éclateur extérieur en série
(EGLA) pour lignes aériennes de transmission et de distribution de réseaux à courant
alternatif de plus de 1 kV
Ta slovenski standard je istoveten z: EN 60099-8:2011
ICS:
29.240.10 Transformatorske postaje. Substations. Surge arresters
Prenapetostni odvodniki
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60099-8
NORME EUROPÉENNE
April 2011
EUROPÄISCHE NORM
ICS 29.240.10
English version
Surge arresters -
Part 8: Metal-oxide surge arresters with external series gap (EGLA) for
overhead transmission and distribution lines of a.c. systems above 1 kV
(IEC 60099-8:2011)
Parafoudres -  Überspannungsableiter – Teil 8:
Partie 8: Parafoudres à oxyde métallique Metalloxid-Überspannungsableiter mit
avec éclateur extérieur en série (EGLA) externer Serienfunkenstrecke (EGLA) für
pour lignes aériennes de transmission et Übertragungs- und Verteilungsleitungen
de distribution de réseaux à courant von Wechselstromsystemen über 1 kV
alternatif de plus de 1 kV (IEC 60099-8:2011)
(CEI 60099-8:2011)
This European Standard was approved by CENELEC on 2011-03-03. 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, 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, 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

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60099-8:2011 E
Foreword
The text of document 37/370/FDIS, future edition 1 of IEC 60099-8, prepared by IEC TC 37, Surge
arresters, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
EN 60099-8 on 2011-03-03.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2011-12-03
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2014-03-03
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60099-8:2011 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60099-8:2011
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

1)
IEC 60060-1 1989 High-voltage test techniques - HD 588.1 S1 1991
Part 1: General definitions and test
requirements
2)
IEC 60060-2 1994 High-voltage test techniques - EN 60060-2 1994
Part 2: Measuring systems
IEC 60068-2-11 1981 Environmental testing - EN 60068-2-11 1999
Part 2-11: Tests - Test Ka: Salt mist

IEC 60068-2-14 2009 Environmental testing - EN 60068-2-14 2009
Part 2-14: Tests - Test N: Change of
temperature
IEC 60099-4 (mod) 2004 Surge arresters - EN 60099-4 2004
+ A1 2006 Part 4: Metal-oxide surge arresters without + A1 2006
+ A2 2009 gaps for a.c. systems + A2 2009

IEC 60270 2000 High-voltage test techniques - Partial EN 60270 2001
discharge measurements
IEC 60507 1991 Artificial pollution tests on high-voltage EN 60507 1993
insulators to be used on a.c. systems

IEC/TS 60815-1 2008 Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions -
Part 1: Definitions, information and general
principles
IEC 62217 2005 Polymeric insulators for indoor and outdoor EN 62217 2006
use with a nominal voltage > 1 000 V -
General definitions, test methods and
acceptance criteria
ISO 3274 - Geometrical Product Specifications (GPS) - EN ISO 3274 -
Surface texture: Profile method - Nominal
characteristics of contact (stylus) instruments

ISO 4287 - Geometrical Product Specifications (GPS) - EN ISO 4287 -
Surface texture: Profile method - Terms,
definitions and surface texture parameters

1)
HD 588.1 S1 is superseded by EN 60060-1:2010, which is based on IEC 60060-1:2010.
2)
EN 60060-2 is superseded by EN 60060-2:2011, which is based on IEC 60060-2:2010.

Publication Year Title EN/HD Year
ISO 4892-1 - Plastics - Methods of exposure to laboratory EN ISO 4892-1 -
light sources -
Part 1: General guidance
ISO 4892-2 - Plastics - Methods of exposure to laboratory EN ISO 4892-2 -
light sources -
Part 2: Xenon-arc lamps
ISO 4892-3 - Plastics - Methods of exposure to laboratory EN ISO 4892-3 -
light sources -
Part 3: Fluorescent UV lamps
IEC 60099-8 ®
Edition 1.0 2011-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Surge arresters –
Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead
transmission and distribution lines of a.c. systems above 1 kV

Parafoudres –
Partie 8: Parafoudres à oxyde métallique avec éclateur extérieur en série (EGLA)
pour lignes aériennes de transmission et de distribution de réseaux à courant
alternatif de plus de 1 kV
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XB
ICS 29.240.10 ISBN 978-2-88912-312-4
– 2 – 60099-8  IEC:2011
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Identification and classification . 11
4.1 EGLA identification . 11
4.2 EGLA classification . 12
5 Standard ratings and service conditions . 12
5.1 Standard rated voltages . 12
5.2 Standard rated frequencies . 13
5.3 Standard nominal discharge currents . 13
5.4 Service conditions . 13
5.4.1 Normal service conditions . 13
5.4.2 Abnormal service conditions . 13
6 Requirements . 13
6.1 Insulation withstand of the SVU and the complete EGLA . 13
6.1.1 Insulation withstand of the housing of the SVU . 13
6.1.2 Insulation withstand of EGLA with shorted (failed) SVU . 13
6.2 Residual voltages . 14
6.3 High current duty . 14
6.4 Lightning discharge capability . 14
6.5 Short-circuit performance of the SVU . 14
6.6 Mechanical performance . 14
6.7 Weather aging of SVU . 15
6.8 Reference voltage of the SVU . 15
6.9 Internal partial discharges . 15
6.10 Coordination between insulator withstand and EGLA protective level . 15
6.11 Follow current interrupting . 15
6.12 Electromagnetic compatibility . 15
6.13 End of life . 16
7 General testing procedure . 16
7.1 Measuring equipment and accuracy . 16
7.2 Test samples . 16
8 Type tests . 16
8.1 General . 16
8.2 Insulation withstand tests on the SVU housing and on the EGLA with failed
SVU . 17
8.2.1 General . 17
8.2.2 Insulation withstand test on the SVU housing . 17
8.2.3 Insulation withstand tests on EGLA with failed SVU . 18
8.3 Residual voltage tests . 19
8.3.1 General . 19
8.3.2 Procedure for correction and calculation of inductive voltages . 19
8.3.3 Lightning current impulse residual voltage test . 20

60099-8  IEC:2011 – 3 –
8.3.4 High current impulse residual voltage test . 21
8.4 Standard lightning impulse sparkover test . 21
8.5 High current impulse withstand test . 22
8.5.1 Selection of test samples . 22
8.5.2 Test procedure . 22
8.5.3 Test evaluation . 22
8.6 Lightning discharge capability test . 23
8.6.1 Selection of test samples . 23
8.6.2 Test procedure . 23
8.6.3 Test parameters for the lightning impulse discharge capab
...