gost-surface-27473-87标准规范

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gost-surface-27473-87标准规范
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TOCyIAPCTBEHHbIN CTAHIAPT CONO3A CCPMATEPHAJILI 3JEKTPON3OJIAINOHHLIE TBEPIbIEMETOI OIPEIEJIEHHA CPABHNTEJIbHOTOH KOHTPOJIbHOTO WHIEKCOB TPEKHHTOCTONKOCTHBO BJIAKHOH CPEIET0CT27473-87(CTC3B6463-88)TOCYIAPCTBEHHLIN KOMNTET CCCP IIO CTAHIAPTAMMocKBaTOCyIAPCTBEHHbIN CTAHIAPT COIO3A CCPMATEPHAJIbI 9JIEKTPON3OJIAIINOHHLIE TBEPIbIEMeToa onpeaeJeHna cpaBHnTeJbHoro H KOHTPOJIbHoro HHAeKcoBTOCTTpeKHHroCToiKOCTH BO BJaKHoi cpeae27473-87Method for determining the comparative and the proof tracking indices (CT C3B 6463-88)of solid insulating materials under moist conditionsCpok aeiicTBna c 01.01.89001.01.94HecoomoneHne cramaapra npecneayerca no 3aKony1.OBJIACTb PACIIPOCTPAHEHIAHaHHbI MeTo HCnbITaHHa nO3BOJeT onpeneJaTb OTHOCHTeJbHyIO CTOMKOCTb TBepbIX9JeKTpOn30JIHOHHbIX MarepHaoB K oopa3oBaHHIO TOKOnpOBOx nepeMblyeK npHnpHnoxkeHHH HanpskeHHa 0 600 B BKJOYHTeJbHO,korna noBepxHOCTb MarepHana,Haxonsaac non HanpskeHneM,nonBep keHa Bo3nencTBHIo KaneJb BOnbI,conepkame3arp3HHTeJIH.TokonpoBonae MOCTHKH BO Bpema 3Toro HcnbrraHna oopa3yoTca npH npwioxkeHHHHanpske Hna K 3nekrponam onpeneneHHon KoHoHrypaumn,ycTaHobneHHbIM Ha noBepxHOCTbMarephana,H nonaye 9JekTpoJnra Mexkny 3ekTponaMH KanJIaMn yepe3 3anaHHblenpoMexkyTKH BpemeHH.KoJHyeCTBo Kaneb,BbI3bIBalomee BO3HHKHOBeHHe npoBonaeroMOCTHKa,Bo3pactaer npn CHiKeHHH nonaBaemoro HanpskeHns,H HHKe ero kpHTHqeckoBeJHYHHbI oopa3oBaHHe npoBox nepeMblyeK npekpallaerca.MarepHanbl,He 06pa3yiouHe ToKonpoBonaux nepeMblyek npn camoM BbICOKOMHanpskeHHH,pa3pymalorca no-pa3HoMy.TJyonHy nponcxonae npH HcnbrraHHn 3po3HHMarepHana MOKHO H3MepHTb.HekoTopble MarepHabl Bo BpeMa HcnbITaHHa MoryTBocnJaMeHTbC.ΠDHMeaHH:1.Ioyuaemas npn TOM cnocobe KaccHoukauns MarepnaoB oranuaercs OT KJaccHoHKaum,noJyuaemon npH apyrHx cnocooax HcnbrTaHHH,HanpHmep,npH BoBneHCTBHH pa3psnoB BbICOKOrO HanpseHHsH cJaooro Toka.
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