1、 Fluids for electrotechnical applications Unused mineral insulating oils for transformers and switchgear Reference number IEC 60296:2003(E)INTERNATIONAL STANDARD IEC60296 Third edition2003-11 This English-language version is derived from the original bilingual publication by leaving out all French-l
2、anguage pages.Missing page numbers correspond to the French-language pages.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consol
3、idated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC pub
4、lications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information
5、on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC we
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8、er Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 Fluids for electrotechnical applications Unused mineral insulating oils for transformers and switchgear For price,see current catalogue IEC 2003 Copyright-all rights reserved No part of this publication may be reproduce
9、d or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03
10、00 E-mail:inmailiec.ch Web:www.iec.ch INTERNATIONAL STANDARD IEC60296 Third edition2003-11 P Commission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE 60296 IEC:2003 3 CONTENTSFOREWORD.5INTRODUCTION.91Scope.112Normative references.113Terms and definitions.134Prop
11、erties of oil.154.1Functional properties.154.2Refining and stability.174.3Performance.174.4Health,safety and environment(HSE)properties.175Classification,identification,general delivery requirements and sampling.175.1Classification.175.2Requirements.195.3Mixability.195.4Identification and general de
12、livery requirements.195.5Sampling.196Properties,their significance and test methods.196.1Viscosity.196.2Pour point.216.3Water content.216.4Breakdown voltage.216.5Dielectric dissipation factor(DDF).216.6Appearance.236.7Acidity.236.8Interfacial tension(IFT).236.9Sulfur content.236.10 Corrosive sulfur.
13、236.11 Antioxidant additive content.236.12 Oxidation stability.236.13 Gassing.256.14 Electrostatic charging tendency(ECT).256.15 Flash point.256.16 Density.256.17 Polycyclic aromatics(PCA).256.18 Polychlorinated biphenyls(PCB).256.19 2-Furfural and related compounds(2-FAL).257Specific requirements f
14、or special applications.297.1Higher oxidation stability and low sulfur content.297.2Electrostatic charging tendency(ECT).297.3Gassing.29Bibliography.3160296 IEC:2003 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION_FLUIDS FOR ELECTROTECHNICAL APPLICATIONS UNUSED MINERAL INSULATING OILSFOR TRANSFORMERS AN
15、D SWITCHGEARFOREWORD1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of IEC is to promoteinternational co-operation on all questions concerning standardization in
16、 the electrical and electronic fields.Tothis end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IECPublication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interestedin the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the I
