欢迎来到天天文库
浏览记录
ID:52947698
大小:882.86 KB
页数:12页
时间:2020-04-02
《高性能磁性元器件在光伏逆变器中的应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、VACinductivecomponentsforSolarInverterapplicationNov,2010TheCompany/PortraitComprehensive.Materials&PartsTodayVACUUMSCHMELZEmanufacturesabroadspectrumofhighqualitymaterials&parts,componentsandsystemsfornumerousmarkets,fromSwisswatchmanufacturerstothe
2、aircraftindustry.Cores&PermanentComponentsTheuseofVACUUMSCHMELZE-Magnetsproductsiswidespread.Manyofususethemeveryday–withoutevenknowingit.PhilosophyWide-range.VACUUMSCHMELZEcanofferitscustomerstheentirerangeofmagneticproducts:•soft-magnetic,crystalli
3、ne,amorphous,•andnanocrystallinematerials•Rareearthpermanentmagnetsandcomplexassemblies•Toroidalstrip-woundcoresandinductivecomponentsMarketForecast(source:iSuppliCorp./April2009)Solarbuzz:59507400Aarkstore:53374430IMSResearch-27%ClassificationofPVin
4、vertersNEW:Microinverters(175…350W)-1-phase1.5–5kWpInverters-mainly1-phasefor240VgridMiniCentralizedInverters,6–30kWp-1-phase(typ.6–11kWp),3-phase(400V)for10–30kWCentralizedInverters(typ.>100kWp…>1000kWp)-3–phaseMainVACproductsforSolarInvertersC
5、ommonModeChokes/coresCurrentSensors/DIsensorPowerTransformers/coresCommonModeChokes(accEN50178):1.CMCattheinputofthePV-Inverter=DC-side,tothesolarpanels2–foldCMCs(often:2-stagedesigns)typically:U=600…1000VDChighµVITROPERMusuallyo.k2.CMCattheoutputo
6、ftheInverter=AC-side,tothemains1-phaseand3-phaseCMCs(dependingontheconnectiontomains)U=240/400VACoften:2-stagedesignshighµ,mediumandlowµVITROPERMincaseofsaturationproblemsVITROPERMCMCsinPVInverters:Highimpedance/highinductancewithsmallnumberofturns:
7、-smallcomponentvolumeforcompactdesigns-Rreducedupto40%(againstferriteCMCs)=higherefficiencyCu-CMCsforhighcurrents(70Aandmore)possiblewithreasonablegoodperformance-costcompetitiveagainstferrites(smallercores,lesscopper)-from2-stageto2-stagecompetitive
8、,from2-stageto1-stagepossibleinsomecases.Excellentthermalproperties:-goodforhighambienttemperaturesofupto85°C-verylowtemperaturedriftofproperties(Bs,µetc)=stableperformance-goodagingbehaviourofnanocrystallinematerials=reliability,warrantyULcomplian
此文档下载收益归作者所有