Windturbine modelling in PSSE

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1、WindturbinemodellinginPSS/EACTIVFixedspeedwindturbinesPassivestallcontrolActivestallcontrolActivepitchcontrolMagniÞ.Pálsson,SINTEFEnergyResearchSINTEFEnergyResearchWindturbinemodel-ACTIVTypeofinputACTIVGenerator0TorqueShaftmodel1dωgCp(λ,β)ωtmWind-speedvwFilter

2、~Wind-speed2TTURBtime-seriesPMECHKsHβωttSINTEFEnergyResearchLinearlyincreasingwind1.5MWwindturbine1.91.81.7Passivestallcontrol1.6]W1.5[MrActivestallcontrolwe1.4opActivepitchcontrolevti1.3Ac1.21.110.90102030405060708090100Time[s]SINTEFEnergyResearch“Real-time”w

3、indspeed1.5MWwindturbine1.9ActivepitchcontrolPassivestallcontrol1.81.7Activestallcontrol1.6]1.5WMr[1.4ewPo1.31.21.110.90102030405060708090100Time[s]SINTEFEnergyResearchNystedoffshorewindfarmmodel70441RAD13270539130kVP=58.9MWVLO13270205Q=-0.9MvarRAD050P=23.8MWQ

4、=-3.3Mvar70621P=31.3MWRBY132Q=-29.4Mvar71513P=-96.8MWNL0270064Q=21.5MvarMAV13270439ESK132P=-61.9MWQ=22.4Mvar71512P=-102.4MWNL01Q=23.8Mvar71352RDS007P=147.1MW0.7kVQ=-34.1Mvar~7134971351RDS132RDS030Firstpointof130kV30kVcommonconnection(PCC)Modellingofthewindfarm

5、andconnectiontothegridSINTEFEnergyResearchTraditionalvs.non-traditionalmodellingCIMTR3ACTIVCIMTR3PmechTturbDynamicPmechAGwindAGωtturbinemodel“Traditional”modellingofModellingofthewindfarmwithwindfarm;fixedadynamicalwindturbinemechanicalpowerasinputmodelwithfix

6、edmechanicaltothegeneratormodeltorqueasinputtotheturbineSINTEFEnergyResearchTraditionalvs.non-traditionalmodellingVoltageresponseafteratemporarythree-phaseshort-circuitatfirstPCC1.1110.9Fixedtorqueinput]0.8]WithdynamicWT-modeluFixedtorqueinputup0.8p52[0.7Withd

7、ynamicWT-model41[7130.67040.6busbuseeg0.5gaaltltoo0.4V0.4V0.30.20.20.104567891045678910Time[s]Time[s]Voltageatlocalbus(0.69kV)atVoltageatfirstpointofcommonthewindfarmconnection(PCC,132kV)SINTEFEnergyResearchTraditionalvs.non-traditionalmodellingEffectofshaftst

8、iffnessontheresponsecharacteristics1.2Fixedtorque1.1(K=∞)10.9pu]0.8K=2.01352[Basecase,K=0.6170.7K=0.41buseg0.6altoIncreasingstiffnessV0.50.40.30.245678910Time[s]SINTEFEnergyResearc