SIST EN 61061-2:2002
(Main)Specification for non-impregnated, densified laminated wood for electrical purposes -- Part 2: Methods of test
Specification for non-impregnated, densified laminated wood for electrical purposes -- Part 2: Methods of test
Gives methods of test for the materials defined in IEC 61061-1.
Nicht-imprägniertes Kunstharzpreßholz für elektrotechnische Zwecke -- Teil 2: Prüfverfahren
Spécification pour stratifiés de bois densifié, non imprégnés, à usages électriques -- Partie 2: Méthodes d'essai
Donne les méthodes d'essai applicables aux matériaux définis dans la CEI 61061-1.
Specification for non-impregnated, densified laminated wood for electrical purposes - Part 2: Methods of test (IEC 61061-2:1992)
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Specification for non-impregnated, densified laminated wood for electrical purposes - Part 2: Methods of test (IEC 61061-2:1992)Nicht-imprägniertes Kunstharzpreßholz für elektrotechnische Zwecke -- Teil 2: PrüfverfahrenSpécification pour stratifiés de bois densifié, non imprégnés, à usages électriques -- Partie 2: Méthodes d'essaiSpecification for non-impregnated, densified laminated wood for electrical purposes -- Part 2: Methods of test29.035.99Drugi izolacijski materialiOther insulating materialsICS:Ta slovenski standard je istoveten z:EN 61061-2:2001SIST EN 61061-2:2002en01-oktober-2002SIST EN 61061-2:2002SLOVENSKI
STANDARD
SIST EN 61061-2:2002
EUROPEAN STANDARDEN 61061-2NORME EUROPÉENNEEUROPÄISCHE NORMOctober 2001CENELECEuropean Committee for Electrotechnical StandardizationComité Européen de Normalisation ElectrotechniqueEuropäisches Komitee für Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 Brussels© 2001 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61061-2:2001 EICS 17.220.99; 29.035.01English versionSpecification for non-impregnated,densified laminated wood for electrical purposesPart 2: Methods of test(IEC 61061-2:1992)Spécification pour stratifiés de boisdensifié, non imprégnés,à usages électriquesPartie 2: Méthodes d'essai(CEI 61061-2:1992)Nicht-imprägniertes Kunstharzpreßholzfür elektrotechnische ZweckeTeil 2: Prüfverfahren(IEC 61061-2:1992)This European Standard was approved by CENELEC on 2001-10-01. CENELEC members are bound tocomply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained onapplication to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any otherlanguage made by translation under the responsibility of a CENELEC member into its own language andnotified to the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.SIST EN 61061-2:2002
EN 61061-2:2001- 2 -ForewordThe text of the International Standard IEC 61061-2:2001, prepared by IEC TC 15, Insulating materials,was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 61061-2 on2001-09-25 without any modification.The following dates were fixed:–latest date by which the EN has to be implementedat national level by publication of an identicalnational standard or by endorsement(dop)2002-06-01–latest date by which the national standards conflictingwith the EN have to be withdrawn(dow)2004-09-01Annexes designated "normative" are part of the body of the standard.In this standard, annex ZA is normative.Annex ZA has been added by CENELEC.__________Endorsement noticeThe text of the International Standard IEC 61061-2:2001 was approved by CENELEC as a EuropeanStandard without any modification.__________SIST EN 61061-2:2002
- 3 -EN 61061-2:2001Annex ZA(normative)Normative references to international publicationswith their corresponding European publicationsThis European Standard incorporates by dated or undated reference, provisions from otherpublications. These normative references are cited at the appropriate places in the text and thepublications are listed hereafter. For dated references, subsequent amendments to or revisions of anyof these publications apply to this European Standard only when incorporated in it by amendment orrevision. For undated references the latest edition of the publication referred to applies (includingamendments).NOTEWhen an international publication has been modified by common modifications, indicated by (mod), the relevantEN/HD applies.PublicationYearTitleEN/HDYearIEC 60243-1(mod)1988Methods of test for electric strength ofsolid insulating materialsPart 1: Tests at power frequenciesHD 559.1 S11)1991IEC 602471978Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity of insulating liquids--IEC 602501969Recommended methods for thedetermination of the permittivity anddielectric dissipation factor of electricalinsulating materials at power, audio andradio frequencies including metrewavelengths--IEC 602961982Specification for unused mineralinsulating oils for transformers andswitchgear--ISO 17819752)Plastics - Determination of flexuralproperties of rigid plastics--ISO 17919823)Plastics - Determination of Charpyimpact strength of rigid materials--
1) HD 559.1 S1:1991 is superseded by EN 60243-1:1998, which is based on IEC 60243-1:1998.2) ISO 178:1993 is harmonized as EN ISO 178:1996.3) ISO 179:1993 is harmonized as EN ISO 179:1996.SIST EN 61061-2:2002
SIST EN 61061-2:2002
NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61061-2Edition 1.12001-10Spécification pour stratifiés de bois densifié,non imprégnés, à usages électriques –Partie 2:Méthodes d'essaiSpecification for non-impregnated, densifiedlaminated wood for electrical purposes –Part 2:Methods of test Commission Electrotechnique Internationale International Electrotechnical CommissionPour prix, voir catalogue en vigueurFor price, see current catalogue IEC 2001
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Copyright - all rights reservedAucune partie de cette publication ne peut être reproduite niutilisée sous quelque forme que ce soit et par aucun procédé,électronique ou mécanique, y compris la photocopie et lesmicrofilms, sans l'accord écrit de l'éditeur.No part of this publication may be reproduced or utilized inany form or by any means, electronic or mechanical,including photocopying and microfilm, without permission inwriting from the publisher.International Electrotechnical Commission3, rue de Varembé
Geneva, SwitzerlandTelefax: +41 22 919 0300e-mail: inmail@iec.ch IEC web site
http://www.iec.chCODE PRIXPRICE CODE
CCEdition 1:1992 consolidée par l'amendement 1:2001Edition 1:1992 consolidated with amendment 1:2001SIST EN 61061-2:2002
61061-2 IEC:1992+A1:2001– 3 –CONTENTSFOREWORD.5INTRODUCTION.71Scope.92Normative references.93Conditioning of test specimens.94Drying of test specimens.115Dimensions.115.1Thickness.115.2Flatness.116Mechanical tests.136.1Flexural strength.136.2Apparent modulus of elasticity in flexure.136.3Compressive strength.136.4Compressibility.156.5Impact strength.176.6Shearing strength test for glue line bond.176.7Tensile strength.196.8Internal ply strength.197Electrical tests.197.1Electric strength and breakdown voltage.198Thermal tests.219Physical and chemical tests.219.1Apparent density.219.2Water absorption.219.3Moisture content.239.4Shrinkage in air after drying.239.5Oil absorption.239.6Ash content.259.7Contamination of liquid dielectrics.25Figure 1 – Position of test specimens in relation to length and width of sheet.27Figure 2 – Device for testing shearing strength for glue line bond.29SIST EN 61061-2:2002
61061-2 © IEC:1992+A1:2001 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
SPECIFICATION FOR NON-IMPREGNATED, DENSIFIED LAMINATED WOOD FOR ELECTRICAL PURPOSES –
Part 2: Methods of test
FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of the 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, the IEC publishes International Standards. Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommendations for international use and are published in the form of standards, technical specifications, technical reports or guides and they are accepted by the National Committees in that sense. 4)
In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5)
The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6)
Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
This part of International Standard IEC 61061 has been prepared by subcommittee 15C: Specifications, of IEC technical committee 15: Insulating materials. This consolidated version of IEC 61061-2 consists of the first edition (1992) [documents 15C(CO)276 and 15C(CO)302], and its amendment 1 (2001) [documents 15C/1204/FDIS and 15C/1239/RVD]. The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. It bears the edition number 1.1. A vertical line in the margin shows where the base publication has been modified by amendment 1. The committee has decided that the contents of the base publication and its amendments will remain unchanged until 2004. At this date, the publication will be
• reconfirmed; • withdrawn; • replaced by a revised edition, or • amended. SIST EN 61061-2:2002
61061-2 IEC:1992+A1:2001– 7 –INTRODUCTIONThis International Standard is one of a series which deals with non-impregnated densifiedlaminated wood for electrical purposes.The series consists of three parts:Part 1: Definitions, designation and general requirements (IEC 61061-1).Part 2: Methods of test (IEC 61061-2).Part 3: Specifications for individual materials (IEC 61061-3).This part specifies the method of test.NOTE
The numbering of clauses is the same for non-impregnated densified laminated wood, laminatedpressboard and industrial rigid laminated sheets. For this reason, some tests are mentioned but they are notapplicable.SIST EN 61061-2:2002
61061-2 IEC:1992+A1:2001– 9 –SPECIFICATION FOR NON-IMPREGNATED,DENSIFIED LAMINATED WOOD FOR ELECTRICAL PURPOSES –Part 2: Methods of test1 ScopeThis International Standard gives methods of test for the materials defined in part 1(IEC 61061-1).Not all the following methods of test will be required for inclusion in all the sheets of part 3(IEC 61061-3).2 Normative referencesThe following normative documents contain provisions which, through reference in this text,constitute provisions of this International Standard. At the time of publication, the editionsindicated were valid. All normative documents are subject to revision, and parties toagreements based on this International Standard are encouraged to investigate the possibilityof applying the most recent editions of the normative documents indicated below. Members ofIEC and ISO maintain registers of currently valid International Standards.IEC 60243-1:1988, Methods of test for electric strength of solid insulating materials – Part 1:Tests at power frequenciesIEC 60247:1978, Measurement of relative permittivity, dielectric dissipation factor and d.c.resistivity of insulating liquidsIEC 60250:1969, Recommended methods for the determination of the permittivity anddielectric dissipation factor of electrical insulating materials at power, audio and radiofrequencies including metre wavelengthsIEC 60296:1982, Specification for unused mineral insulating oils for transformers andswitchgearISO 178:1975, Plastics – Determination of flexural properties of rigid plasticsISO 179:1982, Plastics – Determination of Charpy impact strength of rigid materials3 Conditioning of test specimensWhen conditioning in accordance with this clause is specified in the test method, testspecimens of the specified form shall be conditioned at (23 ± 2) °C and (50 ± 5) % relativehumidity, and then tested either under these conditions or within 3 min of removal from them.The conditioning period shall be not less than seven da
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