风机结构双馈ppt课件.ppt

RotorMainshaftGearboxYawbearingGeneratorRadiatorYawmotorControllerAnemometerWindVaneMechanicalbrakeSmallshaft END 机舱 1 RotorTherotorisboltedontothebigmainshaft Thelargerotorhasthreeblades whichcatchthewind Thewindwillturntherotorifthereisenoughpowerinthewind 返回 风轮 2 GearboxTherotorturnswithapp 22revolutionsperminute RPM Butthegeneratorhastoturn1500revolutionsperminute Thegearboxconvertsthe22revolutionsto1500revolutions 返回 齿轮箱 3 返回 齿轮箱 外形 4 返回 齿轮箱 内部 5 GeneratorThegeneratormakeselectricitywhenitturns Thecurrentissentdownthroughthetowerinlargeelectricitycables 返回 发电机 6 返回 发电机 7 YawmotorTheyawmotorturnsthenacellesothattherotorfacesthewind Themotorhasacamwheelwhichfitsintothelargeyawbearingcamwheel Thecontrollertellstheyawmotorwhentoturnthenacelle 返回 偏航电机 8 返回 偏航电机 9 AnemometerTheanemometermeasuresthewindspeed Itsendsinformationaboutthewindspeedtothecontrollerallthetime 返回 风速仪 10 MechanicalBrakeThemechanicalbrakeisusedwhenthewindturbinehastoberepairedorithastobeserviced Itensuresthattherotorwillnotstartturning 返回 机械刹车机构 11 MainShaftTherotorturnsthelargeshaft Theshaftisconnectedtothegearbox Therotorusesalargeforcetoturntheshaft Thereforetheshafthastobeverythick 返回 主轴 12 返回 主轴 13 YawbearingThelargecamwheelismountedontothetower Thecamwheeloftheyawmotorengagesthelargecamwheelandturnsthenacellewiththerotorintothewind 返回 偏航轴承 14 返回 偏航轴承 15 RadiatorWhenthegeneratorisrunningitgetsveryhot Butifitbecomestoohotitwillbreakdown Thisiswhyithastobecooleddown Insomewindturbines suchasthisone thegeneratoriscooledbywater Theradiatorcoolsthewater 返回 冷却器 16 ControllerThewindturbinecontrollerisacomputerthatcontrolsthemanypartsofwindturbine Thecontrolleryawsthenacelleagainstthewindandallowsthewindturbinerotortostartwhentheanemometertellsitthatthereisenoughwind 返回 控制器 17 返回 控制器 18 WindVaneThewindmakesthewindvaneturn Thewindvanetellsthecontrollerwherethewindcomesfrom Thecontrollerthentellstheyawmotortoyaw thatmeansturn therotorupagainstthewind 返回 风向标 19 返回 风向标 20 SmallshaftThesmallshaftleadsthepowerfromthegearboxtothegenerator Thesmallshaftrunsveryquickly approx 1500revolutionsperminute 返回 高速轴 21 返回 高速轴 22 返回 TOWER FOUNDATION 总图 23 LatticetowerAtowercanbemadeoutofsteelprofilesthatareputtogethertoformalattice Alatticetowerisverystrongandinexpensivetomanufacture Thatisbecauseitdoesnottakeasmuchsteeltomakealatticetowerasitdoestomakeatubularone 返回 格架式塔架 24 TubularTowerThebesttowersforlargewindturbinesareshapedlik