DCLink直流支撑电容器

2020-01-10 作者:必威体育betway 97

PowercapacitorsLowvoltagepowercapacitorsMediumvoltagepowercapacitorsInductionheatingcapacitorsInductionheatingupto1000kVAr,6kHzInductionheatingupto2000kVAr,4kHzInductionheatingupto2500kVAr,4kHzInductionheatingupto8000kVAr,8kHzInductionheatingupto5000kVAr,5kHzInductionheatingupto6000kVAr,4kHzInductionheatingupto70kHz,COAXInductionheatingupto200kHzMIDICOAXInductionheatingupto5000kVAr,120kHzInductionheatingupto6000kVAr,10kHzCapacitorsforpowerelectronicsDClink(filtering)capacitorsCylindrical-wind,solar,industryRectangular-railwaysCylindricalplastic-industryRectangularplastic-automotiveACfiltercapacitorsCapacitorsforIGBTCapacitorsforSCRandGTOHVcapacitorsforgeneralpurposesRipplecontrolcouplingcapacitorsSurgecapacitors(mediumvoltage)CommutatingcapacitorsEnergystorage(impuls)capacitorsCapacitorbanksCapacitorbanks-standardCapacitorbanks-detuned7%Capacitorbanks-detuned7%fastswitchedHighvoltagecapacitorbanksComponentsforPFCPFCcontrollersContactorsforcapacitorsReactorsHighvoltagetransformers

ThesecapacitorsareforuseonAC/DCpowerconvertersandinverters.Usuallytheycanbefoundintractiondrives,windpowerconvertersandsolarinvertersasDClink(buffers)and/orfiltercapacitors(ripplefiltering).TypicallyelectrolyticcapacitorsarebeingreplacedbythesePPfilmcapacitors.Themainadvantagesagainstelectrolyticonesare:-highripplevoltage-highcurrent-highreliability

Theself-healing,dry-type,capacitorelementsareproducedusingspeciallyprofiled,wavecutmetallisedPPfilmwhichensureslowself-inductance,highruptureresistanceandhighreliability.TheseelementsareenclosedinacylindricalAlcase,cylindricalplasticcaseorrectangularstainlesssteel/aluminiumcasewhichisfilledwithvegetableoilbased,non-toxic,biodegradable,environmentfriendly,solidmatter.Overpressuredisconnectionisnotconsiderednecessary.Thecapacitortopissealedwithself-extinguishingPUresinUL-94VO.Specialdesignensuresverylowselfinductance.

Capacitorlifewillbeshortenedbyexcesstemperatures.Capacitorscanbemountedinanyposition.Detailelectricalandmechanicalfeaturescanbefoundintherelevantydatasheets.