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1、MachineConditionMonitoringandFaultDiagnosticsChrisKMechefskeSeptember4,2008Page1WindTurbineConditionMonitoringMarkusTimuskSeptember4,2008Page2WindTurbineConditionMonitoring•EnerconmodelE-66Horizontalaxiswindturbine•Towerheight98m•Rotordiameter70mSeptem
2、ber4,2008Page3Wind•aformofsolarenergy.•causedbytheunevenheatingoftheatmospherebythesun,theirregularitiesoftheearth'ssurface,androtationoftheearth.•Windflowpatternsaremodifiedbytheearth'sterrain,bodiesofwater,andvegetation.September4,2008Page4WindTurbin
3、es:Background•Windenergyisthefastestgrowingsourceofelectricityintheworld•Windenergyisclean,renewableandproducesnopollutionSeptember4,2008Page5WindTurbines:Background•Costofwindpowercontinuestofallwhileenvironmentalconcernsassociatedwithothermethodscont
4、inuetorise•Increasingsizeandeconomiesofscalealsofuelthegrowthofthistechnology•Windturbinesbecomingmoreestablishedasaneconomicallyviablemethodofenergyproduction•AdvancesinCBMwillplayasignificantroleinthecommercialviabilityofwindgeneratorsSeptember4,2008
5、Page6PowerProduction•A5-MWturbinecanproducemorethan15millionkWhinayear–Sufficientelectricitytopowermorethan1400homes–TheaverageU.S.householdconsumesabout10,000kWhofelectricityeachyear.September4,2008Page7DifficultiesfortheTechnology•Fluctuatingpowersou
6、rce–Canbeabsorbedintogridthatispoweredfrommultiplesourcesofpowergeneration–Energystorageisapotentialsolution•Highupfrontcost•Potentialthreattomigratingbirds–Notassignificantafactorwithlargerlowspeedturbines•Potentialeyesore(subjective)•Sourceoflocalsou
7、ndpollution•Mayrequirebuildingofroads,powerlines,clearingoftreesetc.September4,2008Page8WindTurbineTypesSeptember4,2008Page9SomeDesignFactors•Poweroutputofturbineincreaseswithcubeofwindspeed•Heightoftower–Windspeedincreaseswithheight–Duetodragfromearth
8、’ssurfaceandtheviscosityoftheair•Airtemperatureanddensity–WinterwindgeneratesmorepowerthansamespeedsummerwindSeptember4,2008Page10Powerrangeform50kWtoseveralMWSeptember4,2008Page11September4,2008Page12HorizontalAxisTurbineMajorComponent
