IEC 61621-1997 Dry solid insulating materials - Resistance test to high-voltage low current arc discharges《干燥实心绝缘材料 耐高压低电流电弧放电的试验》.pdf

1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61621 Premiredition Firstedition 199709 Matriauxisolantssolidessecs Essaidersistanceauxdchargeslarc hautetension,faiblecourant Dry,solidinsulatingmaterials Resistancetesttohighvoltage, lowcurrentarcdischarges Numroderfrence Referencenumber CEI/IEC6

2、1621:1997Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublicationsde laCEIincorporantlesamendementssontdisponibles. Parexemple,lesnumrosddition1.0,1.1et1.2 indiquentrespectivementlapublicationdeb

3、ase,la publicationdebaseincorporantlamendement1,etla publicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest constammentrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatede reconfirmationdelapublicati

4、onsontdisponiblesdans leCataloguedelaCEI. Lesrenseignementsrelatifscesrvisions,ltablis sementdesditionsrvisesetauxamendements peuventtreobtenusauprsdesComitsnationauxde laCEIetdanslesdocumentscidessous: BulletindelaCEI AnnuairedelaCEI Accsenligne* CataloguedespublicationsdelaCEI Publiannuellementetm

5、isjourrgulirement (Accsenligne)* Terminologie,symbolesgraphiques etlittraux Encequiconcernelaterminologiegnrale,lelecteur sereporteralaCEI60050: VocabulaireElectro techniqueInternational (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsulteral

6、aCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisablessurlematriel.Index,relevet compilationdesfeuillesindividuelles, etlaCEI60617: Symbolesgraphiquespourschmas. PublicationsdelaCEItabliespar lemmecomitdtudes Lattentiondulecteurestattiresurleslistesfigurant l

7、afindecettepublication,quinumrentles publicationsdelaCEIprparesparlecomit dtudesquiatablilaprsentepublication. * Voiradressesitewebsurlapagedetitre. Numbering Asfromthe1stJanuary1997allIECpublicationsare issuedwithadesignationinthe60000series. Consolidatedpublications ConsolidatedversionsofsomeIECpu

8、blications includingamendmentsareavailable.Forexample, editionnumbers1.0,1.1and1.2refer,respectively,to thebasepublication,thebasepublication incorporatingamendment1andthebasepublication incorporatingamendments1and2. Validityofthispublication ThetechnicalcontentofIECpublicationsiskeptunder constantr

9、eviewbytheIEC,thusensuringthatthe contentreflectscurrenttechnology. Informationrelatingtothedateofthereconfirmationof thepublicationisavailableintheIECcatalogue. Informationontherevisionwork,theissueofrevised editionsandamendmentsmaybeobtainedfrom IEC NationalCommitteesandfromthefollowing IECsources

10、: IECBulletin IECYearbook Onlineaccess* CatalogueofIECpublications Publishedyearlywithregularupdates (Onlineaccess)* Terminology,graphicalandletter symbols Forgeneralterminology,readersarereferredto IEC60050:InternationalElectrotechnicalVocabulary (IEV). Forgraphicalsymbols,andlettersymbolsandsigns

11、approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.Index,surveyand compilationofthesinglesheets andIEC60617: Graphicalsymbolsfordiagrams. IECpublicationspreparedbythesame technicalcommitt

12、ee Theattentionofreadersisdrawntotheendpagesof thispublicationwhichlisttheIECpublicationsissued bythetechnicalcommitteewhichhaspreparedthe presentpublication. * Seewebsiteaddressontitlepage.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61621 Premiredition Firstedition 199709 Matriauxisolantsso

13、lidessecs Essaidersistanceauxdchargeslarc hautetension,faiblecourant Dry,solidinsulatingmaterials Resistancetesttohighvoltage, lowcurrentarcdischarges CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue IEC1997

14、Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms,sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorut ilizedin anyform

15、orbyanymeans,electronicormechanical, includingphotocopyingandmicrofilm,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE M2 61621CEI:1997 SOMMAIRE

16、Pages AVANTPROPOS 4 Articles 1Domaine dapplication. 6 2Rfrences normatives. 6 3Dfinitions 8 4Appareillage. 8 4.1Circuit dessai 8 4.2 Electrodesetmontagedeslectrodes 12 4.3Chambre dessai 13 4.4Calibrage. 14 5Eprouvette 14 6Conditionnement 14 7Mode opratoire. 14 8Rsultats 16 8.1 Lersultatdecetessaiest

17、letempsmispourprovoquerledfaut, exprimensecondes. 16 8.2 Quatretypesgnrauxdedfautonttobservs. 16 9Rapport 16 Tableau1Squencecorrespondantdespaliersde1min . 18 Figures 1 Exempledecircuitlectrique 20 2 Electrodemontesurunetige(exemple) 22 3 Montagedeslectrodes(exemple) . 2461621IEC:1997 3 CONTENTS Pag

18、e FOREWORD. 5 Clause 1Scope. 7 2Normative references. 7 3Definitions 9 4Apparatus. 9 4.1Test circuit. 9 4.2 Electrodesandelectrodeassembly 13 4.3Test chamber 15 4.4Calibration. 15 5Specimens. 15 6Conditioning. 15 7Procedure. 15 8Results. 1 7 9Report 1 7 Table1Sequenceof1minsteps 19 Figures 1 Example

19、forelectricalcircuit 21 2 Electrodemountedinashank(example) 23 3 Electrodeassembly(example) 254 61621CEI:1997 COMMISSIONELECTROTECHNIQUEINTERNATIONALE _ MATRIAUXISOLANTSSOLIDESSECS ESSAIDERSISTANCEAUXDCHARGESLARC HAUTETENSION,FAIBLECOURANT AVANTPROPOS 1) LaCEI(CommissionElectrotechniqueInternational

20、e)estuneorganisationmondialedenormalisationcompose delensembledescomitslectrotechniquesnationaux(ComitsnationauxdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llectricitetdellectronique.Aceteffet,laCEI,entreautresactivits,publiede

21、sNormesInternationales. Leurlaborationestconfiedescomitsdtudes,auxtravauxdesquelstoutComitnationalintressparle sujettraitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,en liaisonaveclaCEI,participentgalementauxtravaux.LaCEIcollaboretroitementaveclOrganisation In

22、ternationaledeNormalisation(ISO),selondesconditionsfixesparaccordentrelesdeuxorganisations. 2) LesdcisionsouaccordsofficielsdelaCEIconcernantlesquestionstechniques,reprsentent,danslamesure dupossibleunaccordinternationalsurlessujetstudis,tantdonnquelesComitsnationauxintresss sontreprsentsdanschaquec

23、omitdtudes. 3) Lesdocumentsproduitsseprsententsouslaformederecommandationsinternationales.Ilssontpublis commenormes,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesComitsnationauxdelaCEIsengagentappliquerde faontransparente,danstou

24、telamesurepossible,lesNormesinternationalesdelaCEIdansleursnormes nationalesetrgionales.ToutedivergenceentrelanormedelaCEIetlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdureconcernantlemarquagecommeindicationdapprobationetsaresponsabil

25、it nestpasengagequandunmatrielestdclarconformelunedesesnormes. 6) LattentionestattiresurlefaitquecertainsdeslmentsdelaprsenteNormeinternationalepeuventfaire lobjetdedroitsdepropritintellectuelleoudedroitsanalogues.LaCEInesauraittretenuepour responsabledenepasavoiridentifidetelsdroitsdepropritetdenep

26、asavoirsignalleurexistence. LaNormeinternationaleCEI61621attablieparlesouscomit15E:Mthodesdetest,du comitdtudes15delaCEI:Matriauxisolants. Letextedecettenormeestissudesdocumentssuivants: FDIS Rapportdevote 15E/56/FDIS 15E/90/RVD Lerapportdevoteindiqudansletableaucidessusdonnetouteinformationsurlevot

27、eayant aboutilapprobationdecettenorme.61621IEC:1997 5 INTERNATIONALELECTROTECHNICALCOMMISSION _ DRY,SOLIDINSULATINGMATERIALS RESISTANCETESTTOHIGHVOLTAGE, LOWCURRENTARCDISCHARGES FOREWORD 1) TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardizationcomprising allnationa

28、lelectrotechnicalcommittees(IECNationalCommittees).TheobjectoftheIECistopromote internationalcooperationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.To thisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparationis entrustedtotechnicalcomm

29、ittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmay participateinthispreparatorywork.International,governmentalandnongovernmentalorganizationsliaising withtheIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganization forStandardization(ISO)inaccordance

30、withconditionsdeterminedbyagreementbetweenthetwo organizations. 2) TheformaldecisionsoragreementsoftheIEContechnicalmattersexpress,asnearlyaspossible,an internationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentation fromallinterestedNationalCommittees. 3) Thedocumen

31、tsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheform ofstandards,technicalreportsorguidesandtheyareacceptedbytheNationalCommitteesinthatsense. 4) Inordertopromoteinternationalunification,IECNationalCommitteesundertaketoapplyIECInternational Standardstransparentlytothemax

32、imumextentpossibleintheirnationalandregionalstandards.Any divergencebetweentheIECStandardandthecorrespondingnationalorregionalstandardshallbeclearly indicatedinthelatter. 5) TheIECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforany equipmentdeclaredtobeinconformitywit

33、honeofitsstandards. 6) AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubject ofpatentrights.TheIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardIEC61621hasbeenpreparedbysubcommittee15E:Methodsoftest,of IECtechnicalcomm

34、ittee15:Insulatingmaterials. Thetextofthisstandardisbasedonthefollowingdocuments: FDIS Reportonvoting 15E/56/FDIS 15E/90/RVD Fullinformationonthevotingfortheapprovalofthisstandardcanbefoundinthereporton votingindicatedintheabovetable.6 61621CEI:1997 MATRIAUXISOLANTSSOLIDESSECS ESSAIDERSISTANCEAUXDCH

35、ARGESLARC HAUTETENSION,FAIBLECOURANT 1 Domainedapplication LaprsenteNormeinternationaledcritunemthodedessaipermettant,dansunpremier temps,unediffrenciationparmidesmatriauxisolantssimilaires,selonleurrsistanceaux dommagesquandilssontexpossdesdchargeshautetension,faiblecourantseproduisant proximitdela

36、surface. Lesdchargesprovoquentunedcompositionthermiqueetchimiquelocalise,ainsiquune rosion,etfinalementuncheminconducteurseformeautraversdumatriauisolant.La svritdesconditionsdessaiestprogressivementaugmente.Auxpremiersstades,une dchargelarcavecuncourantfaibleestinterrompuedefaonrptitive,alorsquaux

37、derniersstadeslecourantdelarcestaugmentparpalierssuccessifs. Lamthodedessaisappliqueenraisondesacommoditetdelabrivetncessairede lessai,pourfaireuncontrleprliminairedesmatriaux,afindedtecterleffetdes modificationsdanslacomposition,etpourdesessaisdecontrledequalit. Lexpriencerelativecetessaiaindiquune

38、reproductibilitacceptablepourlesmatriaux thermodurcis.Enutilisantdesthermoplastiques,certainslaboratoiresdessaiindiquentde grandesvariationsinacceptablesdanslesrsultatsdessaiconduisantlarecommandationde nepasutiliserlessaipourlesthermoplastiques. NOTEDestentativessontfaitespourdiminuerlavariabilitde

39、srsultatsdessaisurlesthermoplastiquesen contrlantlapressiondellectrodeetlaprofondeurdelapntrationdanslematriaupendantlessai.Sansuntel contrledellectrode,lesessaissurplusieursthermoplastiquespeuventnepasavoirdesignificationsuffisante pourtreraliss. Cettemthodedessainepermettraengnralpasdetirerdesconc

40、lusionsconcernantle classementrelatifvisvisdelarsistancelarcdesmatriauxpouvanttresoumis dautrestypesdarc. Leclassementdesmatriauxpeutdiffrerdeceluiquiattrouvpourlesessaidetenueen conditionshumides(parexempledanslaCEI60112,danslaCEI60587etdanslaCEI61302) etdeleursrsultatsenexploitation,pourlesquelsli

41、ntensit,lafrquencedapparitionetla duredesexpositionsauxdchargeslarcsonttrsdiffrentes. 2Rfrences normatives Lesdocumentsnormatifssuivantscontiennentdesdispositionsqui,parsuitedelarfrence quiyestfaite,constituentdesdispositionsvalablespourlaprsenteNormeinternationale.Au momentdelapublication,lesdition

42、sindiquestaientenvigueur.Toutedocumentnormatif estsujetrvisionetlespartiesprenantesauxaccordsfondssurlaprsenteNorme internationalesontinvitesrechercherlapossibilitdappliquerlesditionslesplusrcentes desdocumentsnormatifsindiqusciaprs.LesmembresdelaCEIetdelISOpossdentle registredesNormesinternationalesenvigueur. CEI60112:1979,Mthodepourdterminerlesindicesdersistanceetdetenue