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7320117JournalofShenyangInstituteofEngineeringNaturalScienceVol.7No.3Jul.20112011-05-041968-.110181..3.TM614A1673-1603201103-0199-04“”、“”.122.1.13.1.、.2..31.2“”..1pu、·200·7.①.②、.③.④、.⑤2.3、①②..IGBT21.23..3.1750STATCOM.STATCOM、IGBT.STATCOM112.21150MW30MVar10kVS7500.8pu、3s60%.0.6pu0.6pu.STATCOM11.STATCOM6%13.5%6%STATCOM24.4%.750700kVarSTATCOM.7500.8pu.750700kVar0.6pu0.8pu4.20%625ms.3.3311111..90%20ms690V、50Hz.3·201·..4.43.2.3.1Crow-barresistance.1crow-barCrow-bar.Crow-bar60~80ms.Crow-bar.Crow-bar.2FastReconnection.Nordex.100msCrow-bar.100msCrow-bar.Crow-barCrow-bar.3ChopperResistance.VESTAS.IGBT.IGBTIGBT.DC-Linkchopperresistance.3.35.5.22..1600A.·202·7..5..380~100ms、、80~100ms.20052009Windtest..4201081500kW201010、、.1.J.200417516-17.2.J.2007312384-89.3.J.200612610130-135.4.J.200630821-26.5.J.2004246100-105.Lowvoltageride-throughprogramofseveralcommontypesofwindturbinesHANTian-xueNortheastNewEnergyDevelopmentCo.Ltd.ChinaPowerInvestmentCorporationShenyang110181ChinaAbstractAsthemostpromisingcleanenergythewindpowerdevelopmentbecomesmoreandmoreimportantinpolicyandmarket.PlanningbytheNationalEnergyBoardinstalledwindpowercapacityby2020toreach1.5millionkilo-wattsaccountingfor8.5%ofinstalledcapacityisthethirdlargestpowersource.Becausethewindpowerhasrandomuncontrollableandotherfeatureswindturbineismorelikelytolosesteadystatecomparedtothetraditionallargecapaci-tygeneratorwindturbinesandnetworkissuesbecomeveryprominent.NationalEnergyBoardisdeveloping“windpowerdetectionandmanagement”andsothestateisexpectedtoreleaseinthenearfutureinthemostrecentperiodwindpowerwindfarmissuewillbethefocus.“Lowvoltageridethroughcapabilities”isasoneofthedifficultiestoconnectthegridthestatealsohasdoneaspecification.Inthisarticlecombinedwithprojectthathasbeenputintothreecatego-riesofthebeipiaoprojectthe“lowvoltagethroughtheprogram”ofcommonwindturbineareanalyzed.Keywordslowvoltagethroughconstantspeedwindturbinedoublyfedwindturbinedirectdrivenpermanentmagneticwindturbineconverter
本文标题:感染创面的处理及个案分析.ppt
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