1、BRITISH STANDARD BS EN 60112:2003 Incorporating Method for the determination of the proof and the comparative tracking indices of solid insulating materials ICS 19.080; 29.035.01 +A1:2009 Corrigendum June2003National foreword This British Standard is the UK implementation of EN 60112:2003+A1:2009. I
2、t is identical to IEC 60112:2003, incorporating amendment 1:2009 and corrigendum June 2003. It supersedes BS EN 60112:2003 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/112, Evaluation and qualification of electrical insulating materials and sys
3、tems. A list of organizations 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. Compliance with a British Standard cannot confer immuni
4、ty from legal obligations. BS EN 60112:2003+A1:2009 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 May 2003 BSI 2010 Amendments/corrigenda issued since publication Amd. No. Date Comments 14584 Corrigendum No. 1 5 September 2003 Renumberin
5、g of Figures B.1 to B.4 28 February 2010 Implementation of IEC amendment 1:2009 with CENELEC endorsement A1:2009; References to IEC 60589 deleted from 2, 7.3 and Annex ZA ISBN 978 0 580 66942 2EUROPEAN STANDARD EN 60112 NORME EUROPENNE EUROPISCHE NORM March 2003 CENELEC European Committee for Electr
6、otechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. N
7、o. EN 60112:2003 E ICS 19.080; 29.035.01 Supersedes HD 214 S2:1980English version Method for the determination of the proof and the comparative tracking indices of solid insulating materials (IEC 60112:2003) Mthode de dtermination des indices de rsistance et de tenue au cheminement des matriaux isol
8、ants solides (CEI 60112:2003) Verfahren zur Bestimmung der Prfzahl und der Vergleichszahl der Kriechwegbildung von festen, isolierenden Werkstoffen (IEC 60112:2003) This European Standard was approved by CENELEC on 2003-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulat
9、ions 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 concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This
10、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 own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members
11、are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Incorporating Corrigendum June 200
12、3 Incorporating Corrigendum June 2003 EN 61102:2300 - - 2 Foreword The text of document 15E/209/FDIS, future edition 4 of IEC 60112, prepared by SC 15E, Methods of test, of IEC TC 15, Insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60112 on 2003
13、-03-01. This European Standard supersedes HD 214 S2:1980. 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) 2003-12-01 latest date by which the national standards conflicting wi
14、th the EN have to be withdrawn (dow) 2006-03-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this standard, annex ZA is normative and annexes A and B are informative. Annex ZA has been added by CENELEC. _ End
15、orsement notice The text of the International Standard IEC 60112:2003 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60587 NOTE Harmonized as HD 380 S2:1987 (not mo
16、dified). _ Page2 The text of document 112/116/CDV, future amendment 1 to IEC 60112:2003, prepared by IEC TC 112, Evaluation and qualification of electrical insulating materials and systems, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60112:2003 on
17、 2009-10-01. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-07-01 latest date by which the national standards conflicting with the amendment have to be withdrawn
18、(dow) 2012-10-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of amendment 1:2009 to the International Standard IEC 60112:2003 was approved by CENELEC as an amendment to the European Standard without any modification. _ Foreword to amendment A1 BS EN 60112:2003+A1:2009 EN 60112:
19、2003+A1:200961102 EI2:C300 3 CONTENTS FOREWORD2 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions 5 4 Principle 6 5 Testspecimen. 6 6 Testspecimenconditioning. 7 6.1 Environmentalconditioning .7 6.2 Testspecimensurfacestate. 7 7 Testapparatus 7 7.1 Electrodes 7 7.2 Testcircuit 8 7.3 Testsoluti
20、ons. 8 7.4 Droppingdevice 9 7.5 Testspecimensupportplatform 9 7.6 Electrodeassemblyinstallation. 9 8 Basictestprocedure 10 8.1 General 10 8.2 Preparation. 10 8.3 Testprocedure. 11 9 Determinationoferosion. 11 10 Determinationofprooftrackingindex(PTI). 11 10.1 Procedure. 11 10.2 Report 12 11 Determin
21、ationofcomparativetrackingindex(CTI) 12 11.1 General 12 11.2 Determinationofthe100droppoint 12 11.3 Determinationofthemaximum50dropwithstandvoltage. 13 11.4 Report 14 AnnexA(informative)Listoffactorsthatshouldbeconsideredbyproductcommittees. 18 AnnexB(informative)Electrodematerialselection 19FigureB
22、.1Electrdoe. 71 p FigureB.E3xamplefotypicalelectrodemuontignnadsepcimnesupport 81 Figurecircuit 81 Page3 60112 IEC:2003 3 TNOCENTS FOREWORD2 1 Scoep 4 2 Normativereferencse 4 3 Termsdnadefinitions 5 4 Principle 6 5 Testsepcimen. 6 6 Testsepcimendnociitoning. 7 6.1 Environmentalcnoditinoing .7 6.2 Te
23、stsepcimnesurfacestate. 7 7 Tesatpparatus 7 7.1 Eelctrodes 7 7.2 Testcircuit 8 7.3 Testsolutions. 8 7.4 Drpopingdevice 9 7.5 Testsepcimnespuportplatform 9 7.6 Eelctrodeassemblyinsatllation. 9 8 Bascitestprocedure 01 8.1 Geenral 01 8.2 Preparation. 01 8.3 Tesptroceudre. 11 9 Deetrminationfoerosion. 1
24、1 01 Deetrminationfoprfootrackinginxed(PT)I. 11 10.1 Procdeure. 11 10.2 Rpeort 21 11 Deetrminationfocomaprativetrackinginxed(CT)I 21 11.1 Geenral 21 11.2 Deetrminationfothe010droppoint 21 11.3 Deetrminationfothemaximum05dropiwthstnadvoltage. 31 11.4 Rpeort 41 nneAx(informavite)Litsoffactorshtatuohsl
25、ebdocnsiderdebyproductcommittees. 6 AnnexB(informative)Electrdoematerilaselection 71 Bibliography.20 Figure1Electrode. 16 Figure2Electrode/specimenarrangement. 16 Figure3Exampleoftypicalelectrodemountingandspecimensupport 17 Figure4Exampleoftestcircuit 17 3egaP 3002:21106NE xennA ( Ainfroamitve) iLo
26、 tsf tcafroaht st hsould be isnocredde yb prtcudo mocmetti.se16 Annex ZA (normative) Normative references to international publications with their corresponding European publications .21BS EN 60112:2003+A1:2009 EN 60112:2003+A1:200961102 EI2:C300 9 METHODFORTHEDETERMINATIONOFTHEPROOF ANDTHECOMPARATI
27、VETRACKINGINDICES OFSOLIDINSULATINGMATERIALS 1 Scope ThisInternationalstandardspecifiesthemethodoftestforthedeterminationoftheproofand comparative tracking indices of solid insulating materials on pieces taken from parts of equipmentandonplaquesofmaterialusingalternatingvoltages. Thestandardprovides
28、forthedeterminationoferosionwhenrequired. NOTE1 Theprooftrackingindexisusedasanacceptancecriterionaswellasameansforthequalitycontrolof materialsandfabricatedparts.Thecomparativetrackingindexismainlyusedforthebasiccharacterizationand comparisonofthepropertiesofmaterials. Testresultscannotbeuseddirect
29、lyfortheevaluationofsafecreepagedistanceswhen designingelectricalapparatus. NOTE2 Thistestdiscriminatesbetweenmaterialswithrelativelypoorresistancetotracking,andthosewith moderateorgoodresistance,foruseinequipmentwhichcanbeusedundermoistconditions.Moreseveretests, oflongerdurationarerequiredfortheas
30、sessmentofperformanceofmaterialsforoutdooruse,utilizinghigher voltagesandlargertestspecimens(seetheinclinedplanetestofIEC60587).Othertestmethodssuchasthe inclinedmethodmayrankmaterialsinadifferentorderfromthedroptestgiveninthisstandard. 2 Normativereferences Thefollowingreferenceddocumentsareindispe
31、nsablefortheapplicationofthisdocument. Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatestedition ofthereferenceddocument(includinganyamendments)applies. IECGuide104:1997, The preparation ofsafetypublications andthe use of basic safety publicationsandgroupsafetypublications
32、ISO293:1986, PlasticsCompressionmouldingtestspecimensofthermoplasticmaterials ISO2941:1996, PlasticsInjectionmouldingoftestspecimensofthermoplasticmaterials Part1:Generalprinciples,andmouldingofmultipurposeandbartestspecimens ISO2943:2002, PlasticsInjectionmouldingoftestspecimensofthermoplasticmater
33、ials Part3:Smallplates ISO295:1991, PlasticsCompressionmouldingoftestspecimensofthermosettingmaterials Page4 BS EN 60112:2003+A1:2009 EN 60112:2003+A1:200961102 EI2:C300 11 3 Termsanddefinitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply: 3.1 tracking progressiveformation
34、ofconductingpaths,whichareproducedonthesurfaceand/orwithin asolidinsulatingmaterial,duetothecombinedeffectsofelectricstressandelectrolytic contamination 3.2 trackingfailure failureofinsulationduetotrackingbetweenconductingparts NOTE Inthepresenttest,trackingisindicatedbyoperationofanovercurrentdevic
35、eduetothepassageof acurrentofatleast0,5Aforatleast2sacrossthetestsurfaceand/orwithinthespecimen. 3.3 electricalerosion wearingawayofinsulatingmaterialbytheactionofelectricaldischarges 3.4 airarc arcbetweentheelectrodesabovethesurfaceofthespecimen 3.5 comparativetrackingindex CTI numericalvalueofthem
36、aximumvoltageatwhichfivetestspecimenswithstandthetest periodfor50drops withouttrackingfailureand without a persistentflame occurring and including also a statement relating to the behaviour of the material when tested using 100drops (see11.4) NOTE1 ThecriteriaforCTImayalsorequireastatementconcerning
37、thedegreeoferosion. NOTE2 Although a nonpersistent flame is allowed in the test without constituting failure, materials which generatenoflameatallarepreferredunlessotherfactorsareconsideredtobemoreimportant.SeealsoAnnexA. 3.6 persistentflame incaseofdisputeonewhichburnsformorethan2s 3.7 prooftrackin
38、gindex PTI numericalvalueoftheproofvoltageinvoltsatwhichfivetestspecimenswithstandthetest periodfor50dropswithouttrackingfailureandwithoutapersistentflameoccurring NOTE Althoughanonpersistentflameisallowedinthetestwithoutconstitutingfailure,materialswhichgenerate noflameatallarepreferredunlessotherf
39、actorsareconsideredtobemoreimportant.SeealsoAnnexA. Page5 BS EN 60112:2003+A1:2009 EN 60112:2003+A1:200961102 EI2:C300 31 4 Principle Theuppersurfaceofthetestspecimenissupportedinanapproximatelyhorizontalplaneand subjectedtoanelectricalstressviatwoelectrodes.Thesurfacebetweentheelectrodesis subjecte
40、dtoasuccessionofdropsofelectrolyteeitheruntiltheovercurrentdeviceoperates, oruntilapersistentflameoccurs,oruntilthetestperiodhaselapsed. Theindividualtestsareofshortduration(lessthan1h)withupto50or100dropsofabout 20mgofelectrolytefallingat30sintervalsbetweenplatinumelectrodes,4mmapartonthe testspeci
41、mensurface. Ana.c.voltagebetween100Vand600Visappliedtotheelectrodesduringthetest. Duringthetest,specimensmayalsoerodeorsoften,therebyallowingtheelectrodesto penetratethem.Theformationofaholethroughthetestspecimenduringatestistobe reportedtogetherwiththeholedepth(testspecimenthickness).Retestsmaybema
42、deusing thickertestspecimens,uptoamaximumof10mm. NOTE Thenumberofdropsneededtocausefailurebytrackingusuallyincreaseswithdecreasingappliedvoltage and,belowacriticalvalue,trackingceasestooccur. 5 Testspecimen Anyapproximatelyflatsurfacemaybeused,providedthattheareaissufficienttoensurethat duringthetes
43、tnoliquidflowsovertheedgesofthetestspecimen. NOTE1 Flatsurfacesofnotlessthan20mm 20mmarerecommendedtoreducetheprobabilityofelectrolyte lossoverthespecimenedgealthoughsmallersizesmaybeused,subjecttonoelectrolyteloss,e.g.ISO3167, 15mm15mmmultipurposetestspecimens. NOTE2 Itispreferabletouseseparatetest
44、specimensforeachtest.Ifseveraltestsaretobemadeonthesame testpiece,careshouldbetakentoensurethatthetestingpointsaresufficientlyfarfromeachothersothat splashesorfumesfromthetestingpointwillnotcontaminatetheotherareastobetested. Thethicknessofthetestspecimenshallbe3mmormore.Individualpiecesofmaterialma
45、y bestackedtoobtaintherequiredthicknessofatleast3mm. NOTE3 ThevaluesoftheCTIobtainedonspecimenswithathicknessbelow3mmmaynotbecomparablewith thoseobtainedonthickerspecimensbecauseofgreaterheattransmissiontotheglasssupportthroughthinnertest specimens.Forthisreason,stackedspecimensareallowed. Testspecimensshallhavenominallysmoothanduntexturedsurfa
