1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLaminated pressboard for electrical purposesPart 3: Specifications for individual materials Sheet 1: Requirements for laminated precompressed pressboard, Types LB 3.1A.1 and LB3.
2、1A.2BS EN 60763-3-1:2011National forewordThis British Standard is the UK implementation of EN 60763-3-1:2011. It isidentical to IEC 60763-3-1:2010. It supersedes BS EN 60763-3-1:1996, whichwill be withdrawn on 2 January 2014.The UK participation in its preparation was entrusted by Technical Committe
3、eGEL/15, Solid electrical insulating materials, to Subcommittee GEL/15/9,Cellulosic materials.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible
4、 for its correct application. BSI 2011ISBN 978 0 580 63400 0ICS 29.035.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 June 2011.Amendments issued since publi
5、cationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60763-3-1:2011EUROPEAN STANDARD EN 60763-3-1 NORME EUROPENNE EUROPISCHE NORM February 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische N
6、ormung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60763-3-1:2011 E ICS 29.035.10 Supersedes EN 60763-3-1:1996English version Laminated pressboard for electrical purp
7、oses - Part 3: Specifications for individual materials - Sheet 1: Requirements for laminated precompressed pressboard, Types LB 3.1A.1 and LB3.1A.2 (IEC 60763-3-1:2010) Cartons comprims et contrecolls usages lectriques - Partie 3: Spcifications pour matriaux particuliers - Feuille 1: Exigences relat
8、ives aux cartons prcomprims contrecolls, Types LB 3.1A.1 et 3.1A.2 (CEI 60763-3-1:2010) Blockspan fr elektrotechnische Anwendungen - Teil 3: Bestimmungen fr einzelne Werkstoffe - Blatt 1: Anforderungen fr heigepressten Blockspan, Typen LB 3.1A.1 und LB 3.1A.2 (IEC 60763-3-1:2010) This European Stand
9、ard was approved by CENELEC on 2011-01-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerni
10、ng 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, German). A version in any other language made by translation under the responsibility of a CENELEC member into its
11、 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, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, I
12、reland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60763-3-1:2011EN 60763-3-1:2011 - 2 - Foreword The text of document 15/537/CDV, future edition 2 of IEC 60763-3-1, pre
13、pared by IEC TC 15, Solid electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60763-3-1 on 2011-01-02. This European Standard supersedes EN 60763-3-1:1996. The main changes with respect to EN 60763-3-1:1996 are listed below: requirements
14、for the new properties in Part 2 have been integrated; specifications for type LB3.3.1 and LB3.3.2 have been deleted. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying an
15、y or all such patent rights. 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) 2011-10-02 latest date by which the national standards conflicting with the EN have to be withdraw
16、n (dow) 2014-01-02 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60763-3-1:2010 was approved by CENELEC as a European Standard without any modification. _ BS EN 60763-3-1:2011- 3 - EN 60763-3-1:2011 Annex ZA (normative) Normative references to in
17、ternational publications with their corresponding European publications The following referenced documents 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 an
18、y amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60763-1 2010 Laminated pressboard for electrical purposes - Part 1: Definitions, classification and general r
19、equirements EN 60763-1 2011 IEC 60763-2 2007 Specification for laminated pressboard - Part 2: Methods of test EN 60763-2 2007 BS EN 60763-3-1:2011 4 60763-3-1 IEC:2010 LAMINATED PRESSBOARD FOR ELECTRICAL PURPOSES Part 3: Specifications for individual materials Sheet 1: Requirements for laminated pre
20、compressed pressboard, Types LB3.1A.1 and LB3.1A.2 1 Scope This sheet of IEC 60763-3 gives the requirements for laminated precompressed boards comprised of 100 % sulphate wood pulp. Materials which conform to this specification meet established levels of performance. However, the selection of a mate
21、rial by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. 2 Normative references The following referenced documents are indispensable for the application of this document. For
22、 dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60763-1:2010, Laminated pressboard for electrical purposes Part 1: Definitions, classification and general requirements IEC 60763-2:2007, S
23、pecification for laminated pressboard Part 2: Methods of test 3 Designation LB3.1A.1 laminated precompressed board made from 100 % sulphate wood pulp, bonded with a casein-type glue. LB3.1A.2 laminated precompressed board made from 100 % sulphate wood pulp, bonded with a non-aqueous resin. 4 General
24、 requirements Materials shall conform to the general requirements given in IEC 60763-1 and to the specific requirements of the appropriate type given in Table 1 of this sheet when tested according to the methods stipulated in IEC 60763-2. BS EN 60763-3-1:201160763-3-1 IEC:2010 5 Table1Specificrequir
25、ementswithregard to theappropriatetypeof board LB3.1A.1LB3.1A.2Bonding agentCasein Non-aqueous PropertyTestmethod (clause or subclause ofIEC 60763-2) UnitMax. or Min. Thickness deviation12 mrn 12mm5.1 % % Max.Max.5 4 5 4 Flatness500 mm50 mm5.1.4 mmMax.5 3 2 4 2 1 Flexuralstrength MDCMD 6.1 MPaMPaMin
26、.Min.100 80 110 90 Compressibility: C Crev7.1 % % Max.Min.3.5 65 3 70 Electricstrength in oilParalleltolayers8 kV/mmMin.8 8 Internalply strength Dried,tested at23 CDried,tested at120 C,retention Oilimpregnated,tested at23 C,retention Aged for 1 weekat120 Cin oil,tested at23 Cretention 9 MPa% % % Min
27、.Min.Min.Min.80 60 80 90 90 60 80 90 Apparentdensity 10 g/cm3Range 1,15 1,3 1,15 1,35 Moisture content11 %Max.8 5 Shrinkage:MDCMD Thickness 12 % % % Max.Max.Max.0,5 0,7 6 0,4 0,6 4 Oilabsorption 13 %Min.6 5 Ash content14 %To be agreed between supplierand purchaser Contamination ofdielectricliquidsNe
28、utralisation value Sludge contentDissipation factor 15 mgKOH/gmg/lMax.0,08 500 0,005 0,05 500 0,005 Conductivityofaqueousextract16 mS/mMax.15 10 pH ofaqueousextract17 Range 6 - 10 5 - 8 _ BS EN 60763-3-1:2011This page deliberately left blankThis page deliberately left blankBSI is the independent nat
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