1、 IEC 60507 Edition 3.0 2013-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems Essais sous pollution artificielle des isolateurs haute tension en cramique et en verre destins aux rseaux courant alternatif
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16、L STANDARD NORME INTERNATIONALE Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems Essais sous pollution artificielle des isolateurs haute tension en cramique et en verre destins aux rseaux courant alternatif INTERNATIONAL ELECTROTECHNICAL COMMISSION C
17、OMMISSION ELECTROTECHNIQUE INTERNATIONALE W ICS 29.080.10 PRICE CODE CODE PRIX ISBN 978-2-8322-1297-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an auth
18、orized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60507 IEC:2013 CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 7 3 Terms and definitions 7 4 General test requirements . 10 4.1 General 10 4.2 Test method . 10 4.3 Arrangemen
19、t of insulator for test 10 Test configuration . 10 4.3.1Cleaning of insulator . 11 4.3.24.4 Requirements for the testing plant . 11 Test voltage 11 4.4.1Atmospheric corrections . 11 4.4.2Minimum short-circuit current 12 4.4.35 Salt fog method . 13 5.1 General information . 13 5.2 Salt solution . 13
20、5.3 Spraying system 15 5.4 Conditions before starting the test 18 5.5 Preconditioning process . 18 5.6 Withstand test 19 5.7 Acceptance criterion for the withstand test . 19 6 Solid layer methods . 19 6.1 General information . 19 6.2 Main characteristics of inert materials 20 6.3 Composition of the
21、contaminating suspension 20 General 20 6.3.1Kieselguhr composition . 20 6.3.2Kaolin (or Tonoko) composition 21 6.3.36.4 Application of the pollution layer 22 6.5 Determination of the degree of pollution of the tested insulator 23 General 23 6.5.1Layer conductivity (K) . 23 6.5.2Salt deposit density
22、(SDD) 23 6.5.36.6 General requirements for the wetting of the pollution layer . 24 6.7 Test procedures . 24 General 24 6.7.1Procedure A Wetting before and during energization . 24 6.7.2Procedure B Wetting after energization 26 6.7.36.8 Withstand test and acceptance criterion (common to both Procedur
23、es A and B) 27 Annex A (informative) Supplementary information on the assessment of the requirement for the testing plant . 28 Annex B (informative) Determination of the withstand characteristics of insulators . 29 B.1 General 29 60507 IEC:2013 3 B.2 Determination of the maximum withstand salinity a
24、t a given test voltage 29 B.3 Determination of the maximum withstand voltage, or of the 50 % withstand voltage, at a given reference layer conductivity, or at a given reference salt deposit density 29 B.3.1 Maximum withstand voltage 29 B.3.2 50 % withstand voltage . 30 B.4 Withstand values of refere
25、nce suspension insulators . 30 Annex C (informative) Measurement of layer conductivity for checking the uniformity of the layer . 32 Annex D (informative) Additional recommendations concerning the solid layer method procedures 34 D.1 General 34 D.2 Contamination practice 34 D.3 Drying of the polluti
26、on layer . 34 D.4 Check of the wetting action of the fog 34 D.5 Checking fog uniformity for large or complex test objects . 35 D.6 Fog input in the test chamber . 35 D.7 Minimum duration of the withstand test 35 D.8 Evaluation of the reference salt deposit density (SDD) . 36 Annex E (informative) Su
27、pplementary information on artificial pollution tests on insulators for voltage systems of 800 kV and above (solid layer method procedure B) 37 E.1 Introduction 37 E.2 Test chamber . 37 E.3 Fog generator 37 E.4 Wetting action and uniformity of fog density . 37 Bibliography 38 Figure 1 Minimum short-
28、circuit current, Isc min, required for the testing plant as a function of the unified specific creepage distance (USCD) of the insulator under test 13 Figure 2 Value of factor b as a function of solution temperature . 15 Figure 3 Typical construction of fog spray nozzle . 17 Figure 4 Test layout for
29、 inclined insulators . 18 Figure 5 Typical arrangement of steam-fog generator 26 Figure C.1 Arrangement of the probe electrodes (all dimensions in mm) . 32 Figure C.2 Circuit diagram of the meter . 33 Figure D.1 Control of the wetting action of the steam fog: Layer conductance recording during the t
30、est on the chosen dummy insulator (standard type of Table B.1) . 36 Table 1 Salt-fog method: correspondence between the value of salinity, volume conductivity and density of the solution at a temperature of 20 C . 14 Table 2 Main characteristics of the inert materials used in solid layer suspensions
31、 20 Table 3 Kieselguhr composition: approximate correspondence between the reference degrees of pollution on the insulator and the volume conductivity of the suspension at a temperature of 20 C . 21 Table 4 Kaolin (or Tonoko) composition: approximate correspondence between the reference degrees of p
32、ollution on the insulator and the volume conductivity of the suspension at a temperature of 20 C . 22 Table A.1 Expected Ih maxvalues related to different USCD values 28 4 60507 IEC:2013 Table B.1 Ranges of values of withstand characteristics of reference suspension insulators in artificial pollutio
33、n tests 31 60507 IEC:2013 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ARTIFICIAL POLLUTION TESTS ON HIGH-VOLTAGE CERAMIC AND GLASS INSULATORS TO BE USED ON A.C. SYSTEMS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all na
34、tional 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, Techni
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40、on shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent
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43、ences cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for
44、identifying any or all such patent rights. International Standard IEC 60507 has been prepared by IEC technical committee 36: Insulators. This third edition cancels and replaces the second edition published in 1991. This third edition constitutes a technical revision. This edition includes the follow
45、ing significant technical changes with respect to the previous edition: a) Corrections and the addition of explanatory material; b) The addition of Clause 4.3.2 on atmospheric correction; c) The change of the upper limit of conductivity of water to 0.1 S/m; and d) The extension to UHV voltages. 6 60
46、507 IEC:2013 The text of this standard is based on the following documents: FDIS Report on voting 36/337/FDIS 36/342/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance
47、 with the ISO/IEC Directives, Part 2.The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be recon
48、firmed, withdrawn, replaced by a revised edition, or amended. 60507 IEC:2013 7 ARTIFICIAL POLLUTION TESTS ON HIGH-VOLTAGE CERAMIC AND GLASS INSULATORS TO BE USED ON A.C. SYSTEMS 1 Scope This International Standard is applicable for the determination of the power frequency withstand characteristics o
49、f ceramic and glass insulators to be used outdoors and exposed to polluted atmospheres, on a.c. systems with the highest voltage of the system greater than 1 000 V. These tests are not directly applicable to polymeric insulators, to greased insulators or to special types of insulators (insulators with semiconducting glaze or covered with any organic insulating material). The object of this International Standard is to
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