BS-EN-62059-31-1-2008.pdf
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1、Electricity metering equipment Dependability Part 31-1: Accelerated reliability testing Elevated temperature and humidity BS EN 62059-31-1:2008 raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI British Standards Licensed CopyChinese University of
2、Hong Kong, 11/04/2009 08:03, Uncontrolled Copy, (c) BSI National foreword This British Standard is the UK implementation of EN 62059-31-1:2008. It is identical to IEC 62059-31-1:2008. The UK participation in its preparation was entrusted to Technical Committee PEL/13, Electricity meters. A list of o
3、rganizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2008 ISBN 978 0 580 53559 8 ICS 91.140.50 BRITISH STANDARDBS EN 6205
4、9-31-1:2008 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2009 Amendments issued since publication Amd. No. Date Text affected Licensed CopyChinese U
5、niversity of Hong Kong, 11/04/2009 08:03, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 62059-31-1 NORME EUROPENNE EUROPISCHE NORM November 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische
6、Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62059-31-1:2008 E ICS 29.240; 91.140.50 English version Electricity metering equipment - Dependability - Part
7、31-1: Accelerated reliability testing - Elevated temperature and humidity (IEC 62059-31-1:2008) Equipements de comptage de llectricit - Sret de fonctionnement - Partie 31-1: Essais de fiabilit acclrs - Temprature et humidit lves (CEI 62059-31-1:2008) Elektrizittszhler - Zuverlssigkeit - Teil 31-1: Z
8、eitraffende Zuverlssigkeitsprfung - Temperatur und Luftfeuchte erhht (IEC 62059-31-1:2008) This European Standard was approved by CENELEC on 2008-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the
9、status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, Germ
10、an). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria
11、, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 62059-31-1:2008 L
12、icensed CopyChinese University of Hong Kong, 11/04/2009 08:03, Uncontrolled Copy, (c) BSI EN 62059-31-1:2008 - 2 - Foreword The text of document 13/1437A/FDIS, future edition 1 of IEC 62059-31-1, prepared by IEC TC 13, Electrical energy measurement, tariff- and load control, was submitted to the IEC
13、-CENELEC parallel vote and was approved by CENELEC as EN 62059-31-1 on 2008-11-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2009-08-01 latest date by which the national
14、 standards conflicting with the EN have to be withdrawn (dow) 2011-11-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62059-31-1:2008 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliogra
15、phy, the following notes have to be added for the standards indicated: IEC 61124 NOTE Harmonized as EN 61124:2006 (not modified). IEC 61163-1 NOTE Harmonized as EN 61163-1:2006 (not modified). IEC 61164 NOTE Harmonized as EN 61164:2004 (not modified). IEC 61709 NOTE Harmonized as EN 61709:1998 (not
16、modified). _ BS EN 62059-31-1:2008 Licensed CopyChinese University of Hong Kong, 11/04/2009 08:03, Uncontrolled Copy, (c) BSI - 3 - EN 62059-31-1:2008 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced docum
17、ents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modification
18、s, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60050-191 1990 International Electrotechnical Vocabulary (IEV) - Chapter 191: Dependability and quality of service - - IEC 60300-3-5 2001 Dependability management - Part 3-5: Application guide - Reliability test
19、 conditions and statistical test principles - - IEC 61649 2008 Weibull analysis EN 61649 2008 IEC 61703 2001 Mathematical expressions for reliability, availability, maintainability and maintenance support terms EN 61703 2002 IEC/TR 62059-11 2002 Electricity metering equipment - Dependability - Part
20、11: General concepts - - IEC/TR 62059-21 2002 Electricity metering equipment - Dependability - Part 21: Collection of meter dependability data from the field - - IEC 62059-41 2006 Electricity metering equipment - Dependability - Part 41: Reliability prediction EN 62059-41 2006 IEC 62308 2006 Equipme
21、nt reliability - Reliability assessment methods EN 62308 2006 BS EN 62059-31-1:2008 Licensed CopyChinese University of Hong Kong, 11/04/2009 08:03, Uncontrolled Copy, (c) BSI 2 62059-31-1 IEC:2008 CONTENTS INTRODUCTION.7 1 Scope.8 2 Normative references .8 3 Terms and definitions .9 4 Symbols, acron
22、yms and abbreviations14 5 Description of quantitative accelerated life tests .15 5.1 Introduction .15 5.2 The life distribution15 5.3 The life-stress model.15 6 The Weibull distribution 16 6.1 Introduction .16 6.2 Graphical representation .16 6.3 Calculation of the distribution parameters19 6.3.1 In
23、put data to be used.19 6.3.2 Ranking of the time to failure.19 6.3.3 Reliability / unreliability estimates20 6.3.4 Calculation of the parameters21 7 The life-stress model25 7.1 General.25 7.2 Linear equation of the acceleration factor26 7.3 Calculation of parameters n and Ea.27 8 The quantitative ac
24、celerated life testing method .28 8.1 Selection of samples .28 8.2 The steps to check product life characteristics 28 8.3 Procedure for terminating the maximum stress level test.29 8.4 Procedure to collect time to failure data and to repair meters 29 9 Definition of normal use conditions.29 9.1 Intr
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- BS EN 62059 31 2008
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