数据和建模如何改进风电场规划和运营.pdf

1、How Data and Modelling Can Improve Wind Farm Planning and OperationAngus Creech,Wolf-Gerrit Frh,Eoghain MaguireDepartment of Mathematics and StatisticsAcadia UniversityEmail:angus.creechacadiau.caSchool of Engineering and Physical SciencesHeriot-Watt UniversityScotlandDirector for ScotlandVattenfall

2、 UKEdinburghScotlandAdvanced Wind Farm ModellingWhat are advanced wind farm models?Origins in academic researchComputational fluid dynamics modelling air flow in wind farms,turbine responseTurbine sub-models for blades,structure,pitch control,drivetrain and generatorApplications(why do should we use

3、 them?):More accurate than highly-parameterised commercial models Economic assessments(deep array effects,array layout optimisation,inter-farm interactions)Environmental impacts(atmospheric,ocean,marine wildlife,)Creech et al,2017.Sources of DataAtmosphericcirculationmodelsWind farm operatorsMet mas

4、tsLIDARRegional ocean modelsOnline databases(eg.MERRA-2)CFD wind farm modelMetocean measurements:Wind speed,direction time-series at 10m ref.heightTemperature and humidity from met mastSea stateAtmospheric and oceanographic models:Temperature and humidity temperature profilesWind speed and direction

5、 profiles(wind shear)Current data,sea surface temperatureTurbines:Specifications(rated power,TSR,hub height,rotor diameter)Blade design(blade length,aerofoil,twist,chord length)Generator and drivetrain specsFormats:CSV,STL,NetCDF,XMLWhat Data Do These Models Need?CFD results:Wind speeds at all locat

6、ions within and surrounding the wind farmPressuresEspecially wakes behind turbines and the whole wind farm wakeTurbulence created by turbinesTurbines:Lift and drag forces on turbine bladesVirtual SCADA diagnostics:-Power output,shaft RPM and torque-Blade pitch,mean AoAResults Dat