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1、Bladedevelopmentfor3MWoffshorewindturbineKyeong-WooLee,Sang-IlLee,Wan-DonJoo,Ki-HakLee,Ji-SangParkandJong-PoParkCorporateR&DInstitute,DoosanHeavyIndustries&ConstructionCo.,LTD.463-1Jeonmin-Dong,Yuseong-Gu,Daejeon,305-390,KoreaTel:+82-42-712-2125,Fax:+82-42-712-2184E-mail:kyeongwo
2、o.lee@doosan.comAbstract：NewbladehasbeendevelopedinordertoapplytoDoosan3MWoffshorewindturbine,namedasTMTMWinDS3000.WinDS3000hasbeendesignedtomeettheIECClassIcondition.The3MWbladehasbeendesignedtohavethefeatureofslimexternalshapeandoptimizedstructurewithsparcap,shell,shearwebandso
3、on.SE1500,akindofhigh-performanceglassfiber,wasusedasreinforcingmaterialinordertofortifythebladestructure.Thebladewasmanufacturedusingvacuuminfusionprocesstoreduceporosityandincreasevolumefractionofthefiber.Thebladehassuccessfullypassedafull-scalebladestatictest.Duetooptimized-st
4、ructuraldesign,thebladeweighsmorelightly,approximately10tons,comparedwiththeconventionaltype.ThebladewillbeTMcommerciallyappliedtoWinDS3000bythemiddleof2010.1.IntroductionAsthewindpowermarketgrows,IPPcompanieswantmorepowerproductionfromagivenwindfarmarea.Asaresult,thecapacityofaw
5、indturbinegrowsupto6MW(rotordiameteris126m),andtheoffshorewindfarmisbeingconsideredinsteadoflimitedonshorewindsite.Astherecentgeneralwindturbinecapacityincreasesto2~3MWforbothonshoreandoffshore,therotordiameterofwindturbineincreasesmorethan80mapproximately,itmeansthatthebladeleng
6、thmustbeatleast39m.Therefore,theneedsoflargebladewhichcanbeadaptedtomulti-MWclasswindturbineincreases.Doosan,thelargestKoreanpowerfacilitymanufacturer,hasdevelopedthe3MWwindTMturbinenamedasWinDS3000sinceAugustof2006tomeettheneedsoflargeoffshoreTMwindturbines.Atthesametime,the3MWb
7、ladeofWinDS3000startedtobedeveloped.TM1)2.BasicspecificationsofWinDS3000TMThedevelopmentobjectivesofWinDS3000arelowCOEandhighRAMS(Reliability,Availability,Maintainability,andServiceability).TowithstandtheseverewindsituationslikeTMtyphoonwhichpassesannuallyKoreanpeninsula,WinDS300
8、0isdesignedtosatisfytherequirementsofIEC
