1、 IEC 60243-1 Edition 3.0 2013-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric strength of insulating materials Test methods Part 1: Tests at power frequencies Rigidit dilectrique des matriaux isolants Mthodes dessai Partie 1: Essais aux frquences industrielles IEC60243-1:2013 THIS PUBLICATIO
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16、NALE Electric strength of insulating materials Test methods Part 1: Tests at power frequencies Rigidit dilectrique des matriaux isolants Mthodes dessai Partie 1: Essais aux frquences industrielles INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 17.220.99; 2
17、9.035.01 PRICE CODE CODE PRIX ISBN 978-2-83220-696-6 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assu
18、rer que vous avez obtenu cette publication via un distributeur agr. 2 60243-1 IEC:2013 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Significance of the test . 7 5 Electrodes and specimens 8 5.1 General . 8 5.2 Tests perpendicular to the surface of non-la
19、minated materials and normal to laminate of laminated materials . 8 5.2.1 Boards and sheet materials, including pressboards, papers, fabrics and films 8 5.2.2 Tapes, films and narrow strips . 9 5.2.3 Flexible tubing and sleeving 9 5.2.4 Rigid tubes (having an internal diameter up to and including 10
20、0 mm) . 9 5.2.5 Tubes and hollow cylinders (having an internal diameter greater than 100 mm) 10 5.2.6 Cast and moulded materials 10 5.2.7 Shaped solid pieces 11 5.2.8 Varnishes 11 5.2.9 Filling compounds 11 5.3 Tests parallel to the surface of non-laminated materials and parallel to the laminate of
21、laminated materials . 11 5.3.1 General . 11 5.3.2 Parallel plate electrodes 11 5.3.3 Taper pin electrodes 12 5.3.4 Parallel cylindrical electrodes 12 5.4 Test specimens . 12 5.5 Distance between electrodes . 12 6 Conditioning before tests 13 7 Surrounding medium 13 7.1 General . 13 7.2 Tests in air
22、at elevated temperature 13 7.3 Tests in liquids 13 7.4 Tests in solid materials 14 8 Electrical apparatus 14 8.1 Voltage source 14 8.2 Voltage measurement 14 9 Procedure. 15 10 Mode of increase of voltage 15 10.1 Short-time (rapid-rise) test . 15 10.2 20 s step-by-step test 16 10.3 Slow rate-of-rise
23、 test (120 s. 240 s) . 16 10.4 60 s step-by-step test 17 10.5 Very slow rate-of-rise test (300 s. 600 s) . 17 10.6 Proof tests . 17 11 Criterion of breakdown . 17 12 Number of tests 18 60243-1 IEC:2013 3 13 Report 18 Annex A (informative) Treatment of experimental data . 25 Bibliography 26 Figure 1
24、Electrode arrangements for tests on boards and sheets perpendicular to the surface . 19 Figure 2 Typical example of electrode arrangement for tests on tapes perpendicular to the surface (see 5.2.2) 20 Figure 3 Electrode arrangement for tests perpendicular to the surface on tubes and cylinders with i
25、nternal diameter greater than 100 mm 20 Figure 4 Electrode arrangement for tests on casting and moulding materials (diameter of the spherical electrodes: d = (20 0,1) mm) . 21 Figure 5 Electrode arrangement for test on shaped insulating parts (see 5.2.7) . 21 Figure 6 Electrode arrangement for tests
26、 parallel to the surface (and along the laminae, if present) . 22 Figure 7 Electrode arrangement for tests parallel to the surface (and along the laminae if present) 23 Figure 8 Arrangement for tests parallel to the laminae for boards more than 15 mm thick with parallel cylindrical electrodes (see 5
27、.3.4) . 24 Table 1 Increments of voltage increase (kilovolts, peak / 2 ) . 16 4 60243-1 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC STRENGTH OF INSULATING MATERIALS TEST METHODS Part 1: Tests at power frequencies FOREWORD 1) The International Electrotechnical Commission (IEC) is a
28、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 oth
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34、ication and the corresponding national or regional publication 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
35、 not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its tec
36、hnical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IE
37、C Publications. 8) Attention is drawn to the Normative references 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 subj
38、ect of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60243-1 has been prepared by technical committee 112: Evaluation and qualification of electrical insulating materials and systems. This third edition cancels and replaces
39、 the second edition, published in 1998, and constitutes a technical revision. The significant technical change with respect to the previous edition is that the current version now includes an option for testing elastomeric materials. The text of this standard is based on the following documents: FDI
40、S Report on voting 112/237/FDIS 112/248/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. 60243-1 IEC:2013 5 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the pa
41、rts in the IEC 60243 series, published under the general title Electric strength of insulating materials Test methods, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “
42、http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 60243-1 IEC:2013 ELECTRIC STRENGTH OF INSULATING MATERIALS TEST METHODS Part 1: Tests at power frequencies 1 Scope This p
43、art of IEC 60243 provides test methods for the determination of short-time electric strength of solid insulating materials at power frequencies between 48 Hz and 62 Hz. This standard does not cover the testing of liquids and gases, although these are specified and used as impregnates or surrounding
44、media for the solid insulating materials being tested. NOTE Methods for the determination of breakdown voltages along the surfaces of solid insulating materials are included. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indi
45、spensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60212, Standard conditions for use prior to and during the testing of solid electical insulating material
46、s IEC 60296, Fluids for electrotechnical applications Unused mineral insulating oils for transformers and switchgear IEC 60455-2, Specification for solventless polymerizable resinous compounds used for electrical insulation Part 2: Methods of test IEC 60464-2, Varnishes used for electrical insulatio
47、n Part 2: Methods of test IEC 60684-2, Flexible insulating sleeving Part 2: Methods of test IEC 60836, Specifications for unused silicone insulating liquids for electrotechnical purposes IEC 61099, Insulating liquids Specifications for unused synthetic organic esters for electrical purposes ISO 293,
48、 Plastics Compression moulding of test specimens of thermoplastic materials ISO 294-1, Plastics Injection moulding of test specimens of thermoplastic materials Part 1: General principles, and moulding of multipurpose and bar test specimens ISO 294-3, Plastics Injection moulding of test specimens of
49、thermoplastic materials Part 3: Small plates ISO 295, Plastics Compression moulding of test specimens of thermosetting materials 60243-1 IEC:2013 7 ISO 10724 (all parts), Plastics Injection moulding of test specimens of thermosetting powder moulding compounds (PMCs) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 electric brea
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