IEC_62217.pdf

INTERNATIONAL STANDARD IEC62217 First edition2005-10 Polymeric insulators for indoor and outdoor use with a nominal voltage 1 000 V General definitions,test methods and acceptance criteria Reference number IEC 62217:2005(E)Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 INTERNATIONAL STANDARD IEC62217 First edition2005-10 Polymeric insulators for indoor and outdoor use with a nominal voltage 1 000 V General definitions,test methods and acceptance criteria IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch V For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission 2 62217 IEC:2005(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope and object.6 2 Normative references.6 3 Terms and definitions.7 4 Identification.9 5 Environmental conditions.9 6 Information on transport,storage and installation.10 7 Classification of tests.10 7.1 Design tests.10 7.2 Type tests.10 7.3 Sample tests.10 7.4 Routine tests.11 8 General requirements for insulator test specimens.11 9 Design tests.11 9.1 General.11 9.2 Tests on interfaces and connections of end fittings.11 9.3 Tests on shed and housing material.14 9.4 Tests on the core material.17 Annex A(normative)Wheel test.22 Annex B(normative)Test at multiple stresses.24 Annex C(informative)Difference between the tracking and erosion and accelerated ageing tests on polymeric insulators.30 Annex D(informative)Recommended application of tests.31 Annex E(informative)Explanation of the concept of classes for the design tests.32 Bibliography.33 Figure 1 Example of boiling container for the water diffusion test.19 Figure 2 Examples of test specimen for core material.20 Figure 3 Electrodes for the voltage test.21 Figure 4 Voltage test circuit.21 Figure A.1 Test arrangement of the tracking wheel test.23 Figure B.1 Typical layout of the test specimens in the chamber and main dimensions of the chamber.24 Figure B.2 Multiple stress cycle.27 Figure B.3 Typical layout of the rain and salt fog spray systems and the xenon lamp.28 Figure B.4 Spectrum of xenon arc lamp and solar spectrum.28 Figure B.5 Reference porcelain insulator.29 Table 1 Normal environmental conditions.9 Table 2 Initial NaCl content of the water as a function of the specimen dimensions.16 62217 IEC:2005(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ POLYMERIC INSULATORS FOR INDOOR AND OUTDOOR USE WITH A NOMINAL VOLTAGE 1 000 V GENERAL 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 Internationa