1、 INTERNATIONAL STANDARD IEC60216-3 Second edition2006-04 Electrical insulating materials Thermal endurance properties Part 3:Instructions for calculating thermal endurance characteristics Reference number IEC 60216-3:2006(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION
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8、 Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC60216-3 Second edition2006-04 Electrical insulating materials Thermal endurance properties Part 3:Instructions for cal
9、culating thermal endurance characteristics IEC 2006 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 Electro
10、technical 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 X For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED
11、 TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60216-3 IEC:2006(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms,definitions,symbols and abbreviated terms.6 4 Principles of calculations.10 4.1 General principles.10 4.2 Preli
12、minary calculations.10 4.3 Variance calculations.11 4.4 Statistical tests.12 4.5 Results.12 5 Requirements and recommendations for valid calculations.13 5.1 Requirements for experimental data.13 5.2 Precision of calculations.13 6 Calculation procedures.13 6.1 Preliminary calculations.13 6.2 Main cal
13、culations.17 6.3 Statistical tests.19 6.4 Thermal endurance graph.21 7 Calculation and requirements for results.21 7.1 Calculation of thermal endurance characteristics.21 7.2 Summary of statistical tests and reporting.22 7.3 Reporting of results.22 8 Test report.22 Annex A(normative)Decision flow ch
14、art.24 Annex B(normative)Decision table.25 Annex C(informative)Statistical tables.26 Annex D(informative)Worked examples.35 Annex E(informative)Computer program.42 Bibliography.50 Figure D.1 Thermal endurance graph.39 Figure D.2 Example 3:Property-time graph(destructive test data).41 Table B.1 Decis
15、ions and actions according to tests.25 Table C.1 Coefficients for censored data calculations.26 Table C.2 Fractiles of the F-distribution,F(0,95,fn,fd).32 Table C.3 Fractiles of the F-distribution,F(0,995,fn,fd).33 Table C.4 Fractiles of the t-distribution,t0,95.34 Table C.5 Fractiles of the 2-distr
16、ibution.34 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60216-3 IEC:2006(E)3 Table D.1 Worked example 1 Censored data(proof tests).35 Table D.2 Worked example 2 Complete data(non-destructive tests).37 Table D.3 Worked example 3 Destructive tests.40 Table E.1 Non-destructive test data.43 Table E.2 Destructive test data.44 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUR
