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IEC_61109_Draft.pdf

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1、 36B/233/CDCOMMITTEE DRAFT(CD)IEC/TC or SC:SC 36B Project number 36B/61109/Ed2 Title of TC/SC:Insulators for overhead lines Date of circulation 2004-04-16 Closing date for comments 2004-07-16 Also of interest to the following committees TC9,TC11 Supersedes document 36/225/MCR Functions concerned:Saf

2、ety EMC Environment Quality assurance Secretary:Clive Lumb(France)e-mail:LUMB,Clive THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.IT SHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS O

3、F WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Title:IEC 61109/Ed2:Composite suspension and tension insulators for a.c.overhead lines with a nominal voltage greater than 1 000 V.definitions,test methods and acceptance criteria(Titre):Isolateurs composite de suspension et dancrage des

4、tins aux lignes ariennes en courant alternatif de tension nominale suprieure 1 000 V.Dfinitions,mthodes dessai et critres dacceptation Introductory note This draft was prepared by MT10 of SC 36B Project Leader Jens SEIFERT(DE)It represents the revision of IEC 61109 in order to align it with the comm

5、on clauses for composite insulators in IEC 62217“Polymeric insulators for indoor and outdoor use with a nominal voltage 1 000 V General definitions,test methods and acceptance criteria”.This draft will be discussed at the forthcoming meeting of SC 36B to be held in Seoul,Republic of Korea,during the

6、 period 13 22 October 2004.FORM CD(IEC)2002-08-08 Copyright 2004 International Electrotechnical Commission,IEC.All rights reserved.It is permitted to download this electronic file,to make a copy and to print out the content for the sole purpose of preparing National Committee positions.You may not c

7、opy or mirror the file or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.IEC 61109 Ed.2/CD IEC 2 36B/233/CD CONTENTS FOREWORD.4 INTRODUCTION.5 1 Scope and object.6 2 Normative references.6 3 Definitions.7 4 Abbreviations.8 5 Identificat

8、ion.8 6 Environmental conditions.8 7 Transport,storage and installation.8 8 Hybrid insulators.9 9 Tolerances.9 10 Classification of tests.9 10.1 Design tests.9 10.2 Type tests.10 10.3 Sample tests.10 10.4 Routine tests.10 11 Design tests.11 11.1 Test specimens for IEC 62217.11 11.1.1 Tests on interf

9、aces and connections of end fittings.11 11.1.2 Tracking and erosion test.11 11.1.3 Tests on core material.12 11.2 Product specific pre-stressing for IEC 62217.12 11.2.1 Sudden load release test.12 11.2.2 Thermal-mechanical test.12 11.3 Assembled core load-time tests.12 11.3.1 Test specimens.12 11.3.

10、2 Mechanical load tests.13 12 Type tests.13 12.1 Electrical tests.13 12.2 Damage limit proof test and test of the tightness of the interface between end fittings and insulator housing.14 12.2.1 Test specimens.14 12.2.2 Performance of the test.14 12.2.3 Evaluation of the test.15 13 Sample tests.15 13

11、.1 General rules.15 13.2 Verification of dimensions(E1+E2).15 13.3 Verification of the end fittings(E2).15 13.4 Verification of tightness of the interface between end fittings and insulator housing(E2)and of the specified mechanical load,SML(E1).16 13.4.1 Galvanizing test(E2).17 13.5 Re-testing proc

12、edure.17 14 Routine tests.17 14.1 Mechanical routine test.17 14.2 Visual examination.17 IEC 61109 Ed.2/CD IEC 3 36B/233/CD FIGURES.18 Annex A(informative)Principles of the damage limit,load coordination and testing for composite suspension and tension insulators.19 A.1 Introduction.19 A.2 Load-time

13、behaviour and the damage limit.19 A.3 Service load coordination.20 A.4 Verification tests.21 Annex B(informative)Example of two possible devices for sudden release of load.22 B.1 Device 1(figure B.1).22 B.2 Device 2(figure B.2).22 Annex C(informative)Guidance on non standard mechanical stresses and

14、dynamic mechanical loading of composite tension/suspension insulators.24 Annex D(informative)Bibliography.25 IEC 61109 Ed.2/CD IEC 4 36B/233/CD INTERNATIONAL ELECTROTECHNICAL COMMISSION _ COMPOSITE SUSPENSION AND TENSION INSULATORS FOR A.C.OVERHEAD LINES WITH A NOMINAL VOLTAGE GREATER THAN 1 000 V D

15、EFINITIONS,TEST METHODS AND ACCEPTANCE CRITERIA FOREWORD 1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of the IEC is to promote international co-operation on

16、all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,the IEC publishes International Standards.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.The IEC collaborates closely with the Internatio

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