1、 IEC 62631-1 Edition 1.0 2011-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Dielectric and resistive properties of solid insulating materials Part 1: General Proprits dilectriques et rsistives des matriaux isolants solides Partie 1: Gnralits IEC 62631-1:2011 THIS PUBLICATION IS COPYRIGHT PROTECTED
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16、Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 62631-1 Edition 1.0 2011-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Dielectric and resistive properties of solid insulating materials Part 1: General Proprits dilectriques et rsistives des matriaux isolants solides Partie 1: Gnralits INTERNATIONAL
17、ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE Q ICS 29.035.01 PRICE CODE CODE PRIX ISBN 978-2-88912-477-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 62631-1 IEC:2011 CONTENTS FOREWORD
18、. 3 INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 3.1 General definitions 7 3.2 Definitions for resistive properties . 7 3.3 Definitions for dielectric properties 7 4 Factors influencing properties of electrical insulating materials . 11 4.1 General . 11 4.2 Fac
19、tors influencing resistive and dielectric properties 11 4.2.1 General . 11 4.2.2 Time 12 4.2.3 Frequency . 12 4.2.4 Temperature 13 4.2.5 Moisture 14 4.2.6 Electric field strength . 14 4.2.7 Voltage 14 4.2.8 Conditioning 14 4.2.9 Test specimen . 14 4.2.10 Electrode material . 14 5 Electrode systems 1
20、4 6 Test procedures . 15 Bibliography 16 Figure 1 Dielectric dissipation factor 9 Figure 2 Equivalent circuit diagrams 9 Figure 3 Influence of frequency = 2f on permittivity and dielectric dissipation factor tan . 13 Figure 4 Example of the influence of temperature on the permittivity and dielectric
21、 dissipation factors . 13 Table 1 Planned structure of IEC 62631 . 5 62631-1 IEC:2011 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ DIELECTRIC AND RESISTIVE PROPERTIES OF SOLID INSULATING MATERIALS Part 1: General FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organiz
22、ation 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, IE
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27、sed 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
28、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 not responsible
29、 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 technical committee
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31、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 subject of patent ri
32、ghts. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62631-1 has been prepared by IEC technical committee 112: Evaluation and qualification of electrical insulating materials and systems. This International Standard, together with its futu
33、re parts, is intended to replace certain standards as set out and explained in the Introduction. Such standards will, however, remain valid until the respective part of IEC 62631 is published. The text of this standard is based on the following documents: FDIS Report on voting 112/169/FDIS 112/176/R
34、VD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. 4 62631-1 IEC:2011 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publicati
35、on 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 reconfirmed, withdrawn, replaced by a revised edition, or amended. 62631-1 IEC:2011 5 INTRODUCTION The
36、IEC 62631 series is divided into four main parts, which are further subdivided into component parts. The present Part 1 of IEC 62631 considers, general aspects related to the measurement of dielectric and resistive properties of solid electric insulating materials. Parts 2 and 3 outline basic proced
37、ures for the measurement of dielectric and resistive properties by means of AC and DC methods. These parts will gradually replace hitherto existing International Standards. Part 4 will cover special methods of measurement and computational methods. Table 1 shows the planned future structure of IEC 6
38、2631, together with the standards it will replace. Table 1 Planned structure of IEC 62631 Main title DIELECTRIC AND RESISTIVE PROPERTIES OF SOLID INSULATING MATERIALS Part number Part title Remarks IEC 62631-1 General Amends and replaces IEC 60093, IEC 60167, IEC 60250, IEC 60345 IEC 62631-2 Permitt
39、ivity and dielectric dissipation factors (AC methods) New IEC 62631-2-1 Technical frequencies (1 Hz to 100 MHz) Replaces IEC 60250 IEC 62631-2-2 High frequencies (1 MHz to 300 MHz) Replaces IEC 60250 IEC 62631-2-3 Very high frequencies (above 300 MHz) Replaces IEC 60377-1 and IEC 60377-2 IEC 62631-2
40、-4 Low frequencies (1 MHz to 1 kHz) New IEC 62631-3 Resistive properties (DC methods) New IEC 62631-3-1 Volume resistance and volume resistivity Replaces IEC 60093 IEC 62631-3-2 Surface resistance and surface resistivity Replaces IEC 60093 IEC 62631-3-3 Insulation resistance Replaces IEC 60167 IEC 6
41、2631-3-4 Special requirements for the determination of resistive material properties at elevated temperatures Replaces IEC 60345 IEC 62631-4 Special methods New IEC 62631-4-1 Computational methods for the evaluation of data gained by the use of broadband dielectric spectrometers New IEC 62631-4-2 Th
42、ermal analysis by means of observation of dielectric properties New Measured values of dielectric and resistive properties of solid insulating materials are dependent upon different factors such as the magnitude and time of voltage application, frequency, the nature and geometry of the electrodes, t
43、he surface condition, contamination, temperature and humidity of the ambient atmosphere and of the specimens during conditioning and measurement and, in certain cases, on electric field strength also. Therefore, the electrical and dielectric properties covered by the IEC 62631 series may only be com
44、parable as far as the circumstances of the measurements parameters are stipulated. The test specimens shape and dimensions, as well as the measurement parameters, may be defined in product standards or the relevant parts of this series of standards dealing with test procedures, depending on the requ
45、irements to be considered for a certain demand of measurement. Care should be taken when using measured values from the IEC 62631 series for the purposes of designing an electric product. NOTE It is not possible to give a comprehensive overview covering the dielectric and resistive properties of sol
46、id electrical insulating materials within a framework of an International Standard. Therefore, the user is encouraged to read up on the literature such as that recommended in the bibliography. 6 62631-1 IEC:2011 DIELECTRIC AND RESISTIVE PROPERTIES OF SOLID INSULATING MATERIALS Part 1: General 1 Scop
47、e This part of IEC 62631 gives general guidelines for the determination of dielectric and resistive properties of solid electrical insulating materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the ed
48、ition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-212, International Electrotechnical Vocabulary Part 212: Electrical insulating solids, liquids and gases NOTE For IEC 60050, free online access is provided by www.
49、electropedia.org. IEC 60093:1980, Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials IEC 60167:1964, Methods of test for the determination of the insulation resistance of solid insulating materials IEC 60250:1969, Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insul
