퍼지 PI 제어기를 이용한 풍력/디젤 하이브리드 발전시스템의 품질제어
Power Quality Control of Wind/Diesel Hybrid Power Systems Using Fuzzy PI Controller
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Thispaperproposesamodelingandcontrollerdesignapproachforawind-dieselhybridsystem includingdump load.Windturbinedependsonnaturesuchaswindspeed.Itcausespowerfluctuationsofwindturbine.Excessive powerfluctuationatstand-alonepowergridisevenworsethanlarge-scalepowergrid.Theproposedcontrol schemeforpowerqualityisfuzzyPIcontroller.ThiscontrollerhasadvantagesofPIandfuzzycontroller.The proposedmodeliscarriedoutbyusingMatlab/Simulinksimulationprogram.Inthesimulationstudy,theproposed controlleriscomparedwithaconventionalPIcontroller.Simulationresultsshow thattheproposedcontrolleris moreeffectiveagainstdisturbancescausedbywindspeedandloadvariationthanthePIcontroller,andthusit contributestoabetterqualitywind-dieselhybridpowersystem.
Abstract
Thispaperproposesamodelingandcontrollerdesignapproachforawind-dieselhybridsystem includingdump load.Windturbinedependsonnaturesuchaswindspeed.Itcausespowerfluctuationsofwindturbine.Excessive powerfluctuationatstand-alonepowergridisevenworsethanlarge-scalepowergrid.Theproposedcontrol schemeforpowerqualityisfuzzyPIcontroller.ThiscontrollerhasadvantagesofPIandfuzzycontroller.The proposedmodeliscarriedoutbyusingMatlab/Simulinksimulationprogram.Inthesimulationstudy,theproposed controlleriscomparedwithaconventionalPIcontroller.Simulationresultsshow thattheproposedcontrolleris moreeffectiveagainstdisturbancescausedbywindspeedandloadvariationthanthePIcontroller,andthusit contributestoabetterqualitywind-dieselhybridpowersystem.
참고문헌 (15)
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