EN 62231:2006

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to 245 kV - Definitions, test methods and acceptance criteria (IEC 62231:2006)Isolateurs supports composites rigides a socle destinés aux postes a courant alternatif de tensions supérieures a 1 000 V jusqu'a 245 kV - Définitions, méthodes d'essai et criteres d'acceptation (IEC 62231:2006)Verbundstützisolatoren für Unterwerke für Wechselspannung größer 1 kV bis 245 kV - Definitionen, Prüfmethoden und Annahmekriterien (IEC 62231:2006)Ta slovenski standard je istoveten z:EN 62231:2006SIST EN 62231:2007en,fr,de29.080.10IzolatorjiInsulatorsICS:SLOVENSKI
STANDARDSIST EN 62231:200701-november-2007

EUROPEAN STANDARD EN 62231 NORME EUROPÉENNE
EUROPÄISCHE NORM December 2006
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 62231:2006 E
ICS 29.080.10
English version
Composite station post insulators for substations
with a.c. voltages greater than 1 000 V up to 245 kV -
Definitions, test methods and acceptance criteria (IEC 62231:2006)
Isolateurs supports composites rigides
à socle destinés aux postes à courant alternatif de tensions supérieures
à 1 000 V jusqu'à 245 kV -
Définitions, méthodes d'essai
et critères d'acceptation (CEI 62231:2006)
Verbundstützisolatoren für Unterwerke
für Wechselspannung größer
1 kV bis 245 kV -
Definitionen, Prüfmethoden
und Annahmekriterien (IEC 62231:2006)
This European Standard was approved by CENELEC on 2006-09-12. 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.

- 2 -
Foreword The text of document 36C/159/FDIS, future edition 1 of IEC 62231, prepared by SC 36C, Insulators for substations, of IEC TC 36, Insulators, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62231 on 2006-09-12. This standard is to be used in conjunction with EN 62217:2006, Polymeric insulators for indoor and outdoor use with a nominal voltage > 1 000 V - General definitions, test methods and acceptance criteria. 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)
2007-07-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2009-10-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 62231:2006 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 60865 NOTE
Harmonized in EN 60865 series (not modified). IEC 60507 NOTE
Harmonized as EN 60507:1993 (not modified). IEC 61952 NOTE
Harmonized as EN 61952:2003 (not modified). __________

- 3 - EN 62231:2006 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 60050-471 -1) International Electrotechnical Vocabulary (IEV)
Chapter 471: Insulators - -
IEC 60060-1 -1) High-voltage test techniques Part 1: General definitions and test requirements HD 588.1 S1 19912)
IEC 60168 1994 Tests on indoor and outdoor post insulators
of ceramic material or glass for systems with nominal voltages greater than 1000 V EN 60168 19942)
IEC 62217 -1) Polymeric insulators for indoor and outdoor use with a nominal voltage > 1 000 V - General definitions, test methods and acceptance criteria EN 62217 + corr. December
20062)2006
ISO 1101 -1) Geometrical Product Specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out EN ISO 1101 20052)
ISO 3452 -1) Non-destructive testing - Penetrant
inspection - General principles - -
1) Undated reference. 2) Valid edition at date of issue.

NORME INTERNATIONALECEIIEC INTERNATIONAL STANDARD 62231Première éditionFirst edition2006-02 Isolateurs supports composites rigides à socle destinés aux postes à courant alternatif de tensions supérieures à 1 000 V jusqu'à 245 kV –Définitions, méthodes d'essai et critères d'acceptation
Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to
245 kV – Definitions, test methods and
acceptance criteria
Pour prix, voir catalogue en vigueur For price, see current catalogue IEC 2006
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62231  IEC:2006 – 3 – CONTENTS FOREWORD.7 INTRODUCTION.11
1 Scope and object.15 2 Normative references.15 3 Terms and definitions.17 4 Identification.23 5 Environmental conditions.25 6 Information on transport, storage and installation.25 7 Classification of tests.25 7.1 Design tests.25 7.2 Type tests.29 7.3 Sample tests.29 7.4 Routine tests.29 8 Design tests.29 8.1 General.29 8.2 Tests on interfaces and connections of end fittings.31 8.3 Assembled core load tests.31 8.4 Tests on shed and housing material.37 8.5 Tests on the core material.37 9 Type tests.37 9.1 Verification of dimensions.37 9.2 Electrical tests.37 9.3 Mechanical tests.41 10 Sample tests.45 10.1 General rules.45 10.2 Verification of dimensions (E1 + E2).45 10.3 Galvanizing test (E1 + E2).45 10.4 Verification of the specified mechanical loads (E1).47 10.5 Re-testing procedure.47 11 Routine tests.49 11.1 Identification of the station post insulator.49 11.2 Visual examination.49 11.3 Tensile load test.49
Annex A (informative)
Notes on the mechanical loads and tests.53 Annex B (informative)
Determination of the equivalent bending moment caused by
combined cantilever and compression (tension) loads.57 Annex C (informative)
Example of torsion load test arrangement.61 Annex D (normative)
Tolerances of form and position.63 Annex E (informative)
Notes on the compression and buckling test.69
Bibliography.71

62231  IEC:2006 – 5 – Figure 1 – Thermal-mechanical pre-stressing test – Typical cycles.51 Figure B.1 – Combined loads applied to station post insulators.59 Figure D.1 – Parallelism, coaxiality and concentricity.63 Figure D.2 – Angular deviation of fixing holes: Example 1.65 Figure D.3 – Angular deviation of fixing holes: Example 2.65 Figure D.4 – Tolerances according to standard drawing practice.67
Table 1 – Tests to be carried out after design changes.27 Table 2 – Number of samples for sample tests.45

62231  IEC:2006 – 7 – INTERNATIONAL ELECTROTECHNICAL COMMISSION ___________
COMPOSITE STATION POST INSULATORS FOR SUBSTATIONS
WITH AC VOLTAGES GREATER THAN 1000 V UP TO 245 kV –
DEFINITIONS, TEST METHODS AND ACCEPTANCE CRITERIA
FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared
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