Productmodel:SF6-FTIR-401Origin:Germany1.TheSF6features:Sulfurhexafluoride(SF6)gas,bytwoFrenchchemistMoissanandLebeausynthesisin1900.Fromabout60s,SF6gasasexcellentinsulationandarcingmediumsuccessfullyappliedinthehighvoltageswitchanditsequipment.Today,inthefieldofhighpressure,ultra-highpressureandultra-highvoltage,SF6gasalmostbecometheonlyinsulationcircuitbreakerandGISandarcingmedium.2.ThegenerationofSF6decomposition:Whennotpure,SF6productcontaininghightoxicandlowsulfur,hydrogenfluoride,fluorideandothertoxicgases.Theproductofpartialdischarge,suchas:1)2sf6+O2->2sof2+8f(thionylfluoride)2)2sf6+O2->2sof4+4f(foursulfurylfluoride)3)theSF6-SF4+2f(sulfurtetrafluoride)4)theSF6-S+6f(S)5)2sof4so2f2+O2->2+4f(sulfurylfluoride)6)SF4+H2O-SOF2+2hf(hf)7)SOF4+H2O-SO2F2+2hf(hf)8)SOF2+H2OandSO2+2hf(sulfurdioxide) PartialdischargeofSF6decompositionwillaccelerateinsulationagingandcorrosionofmetalsurfaces,sincetheelectricalequipmentinsulationdegradationwilldirectlyleadtopartialdischarge,andevenbreakdown,shortentheservicelifeofelectricalequipment,theseriousinfluencetothesafeoperationofelectricalequipment BeforeandafterpicturesofinsulationmaterialsinSF6decompositioncorrosion  InsulationmaterialinSF6decompositiontablecompressionstrengthbeforeandaftercorrosion  3.Thepartialdischargedetectiontechnology-chemicalmethodsappliedinpartialdischargedetectionSF6decompositionmethodisusedforSF6inflatableelectricpowerequipmentfaultdiagnosis.PowersystemathomeandabroadhavebeenwidelycarriedoutpowerequipmentSF6decompositionspeciesandcontentdetection,throughthetechnologyhasalreadyfoundsomeelectricalfault,especiallyintheapplicationofpartialdischargeinGIS.Butbasedonthelimitationofthedetectiontechnology,atpresentbasedonthechemicalsensortechnologyonlycandetectSO2,H2S,severalbasicmaterialsuchasHFcontentandhasconsiderablelimitations.Forexample:SOF2;SF4;SOF4;SO2F2;S2F10;CO;COS.MaterialssuchasSiF4cannotbedetected.ButSOF4decompositionisexistenceandequipmentofadirectrelationshipbetweenthepartialdischarge.4.Infrared(FTIR)spectroscopy:Sincethe1970stothepresentinmorethan30years,Fouriertransforminfraredspectroscopy(FTIR)isdevelopingveryrapidly,asthecontinuousdevelopmentofFouriertransforminfraredspectroscopy,infraredspectrometerisinconstantdevelopment,constantlyupdated.Theemergenceofnew,advancedinfraredspectrometerattachments,makethefunctionofinfraredspectrometerattachmentsconstantlyexpanding,continuouslyimproveperformance,tomakeinfraredspectrumtechnologyismorewidelyused.Theinfraredabsorptionspectrumanalysisistoidentifycompoundsanddeterminethecommonuseofthemolecularstructureofmatter.Forasinglecomponentorcomponentsinthemixturecanquantitativeanalysis,especiallyforsomedifficulttoseparateandnoobviouscharacteristicpeaksinultraviolet,visibleareaofthesampleandquantitativeanalysisisfastandconvenienttocomplete.Infraredspectroscopyisthestudyoftheatomsinmoleculesofrelativevibration,canbesummedupinachemicalbondvibration.Differentchemicalbondsorfunctionalgroups,anditsvibrationlevelfromthegroundstatetransitiontotheenergyfortheexcitedstateisdifferent,sotoabsorbdifferentinfraredlight.Materialabsorptionofdifferentinfraredlight,willappearindifferentwavelengthabsorptionpeaks,infraredspectrumwascreated.Infraredspectrummeasurementintheareaislocatedinthe~400cm,4000cm-1-1,or2.5mmto25mmUinthesamemeasuretime,thesignal-to-noiseratiooftheFouriertransforminfraredspectrometerandobviouslyincreasethesensitivity.Takenthescanningspeed,Fouriertransforminfraredspectrometercanbemeasuredin1secondsmorethanirspectra.Takentheluminousfluxisbig,candetecttransmission,lowsampletouseavarietyofaccessories,suchasdiffuse,specularreflectionandattenuatedtotalreflection;Inadditiontodetectsamplesofdifferentforms,suchasgas,solid,liquid,thinfilmandmetalcoating.Takenthehighresolution,easytoobservethefinestructureofthegaseousmolecules.Takenthedeterminationofwidespectralrange,aslongasthelightsourcechangeaccordingly,beamsplitterandthedetectorconfiguration,youcangetthewholeintheinfraredspectrum.UwaveNumbersofhighprecision,duetothehighmonochromaticityofHe-Nelasertocontrolandmeasuretheinterferencepatternandsampling,makehighwavenumberspectrumcalculatedprecision.5.InfraredspectroscopyforSF6decompositionmulticomponentanalysis:ForeignSF6gasdecompositionresearchhasbeenconductedformanyyears,andobtainedconsiderableachievements.GermanchemicalDr.Dr.MrKurteandhisleadershipteamaftertenyearsofexplorationandresearch,combinedwithinfraredspectrumtechnologyandtheresearchofSF6decompositioncomponents,developedbasedontheinfraredspectroscopyofSF6decompositionmulticomponentanalysissystem,andequippedwithdedicateddatabasesystem.TheSF6decompositionanalysisequipmenthasbeenwidelyusedinelectricpowerengineering,hasplayedanimportantroleonpowerequipmentfaultdiagnosis.Specifictestingdataandthedetectionlimittoseethetablebelow: Theserialnumber decomposition TheminimumdetectionlimitPPMV 序号Theserialnumber decomposition TheminimumdetectionlimitPPMV1SO2108CO52HF0.59COS13SOF2510SiF424SF4211CO255SOF4312CF426SO2F2113H20107S2F102    FTIR-SF6decompositionanalysissyst