IEC 61400-1 DLC1.1과 DLC1.3에 대한 풍력터빈의 극한하중 특성
Characteristics of Ultimate Load in a Wind Turbine for IEC 61400-1 DLC1.1 and DLC1.3
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초록
IEC 61400-1requiresdesignlifetimeofwindturbinesatleast20years,thuswindturbineshouldbeassured forstructuralsafetythroughloadassessment.DLCshavebeendefinedwithrespecttotheloadassessmentinIEC 61400-1.Inaddition,iftheextremedesignvaluesforDLC1.3areequalorexceedtheextremedesignvaluefor DLC1.1,DLC1.1maybeomitted.ToomitDLC1.1,scalefactor(c)willbeincreasedinDLC1.3.However,this particularadjustmentisnotspecified guidelines.Thus,thisstudy wasconducted.DLC1.1wascalculated for extrapolationof50years-extremeeventsusingseveralprobabilitydistributionfunctionsandfittingmethods.And DLC1.3wascalculatedforuptosevendifferentvaluesofscalefactor(c)with2≤c≤5instepsof0.5.Finally,inthisstudy,scalefactor(c)thatwasthevalueof4.51wasdetermined
Abstract
IEC 61400-1requiresdesignlifetimeofwindturbinesatleast20years,thuswindturbineshouldbeassured forstructuralsafetythroughloadassessment.DLCshavebeendefinedwithrespecttotheloadassessmentinIEC 61400-1.Inaddition,iftheextremedesignvaluesforDLC1.3areequalorexceedtheextremedesignvaluefor DLC1.1,DLC1.1maybeomitted.ToomitDLC1.1,scalefactor(c)willbeincreasedinDLC1.3.However,this particularadjustmentisnotspecified guidelines.Thus,thisstudy wasconducted.DLC1.1wascalculated for extrapolationof50years-extremeeventsusingseveralprobabilitydistributionfunctionsandfittingmethods.And DLC1.3wascalculatedforuptosevendifferentvaluesofscalefactor(c)with2≤c≤5instepsof0.5.Finally,inthisstudy,scalefactor(c)thatwasthevalueof4.51wasdetermined
참고문헌 (6)
- "IEC,IEC61400-1ed.3WindTurbines– Part1:DesignRequirements,IEC", ~ (2005)
- 남현우, "풍력 터빈의 난류모델별 극한 하중 예측에 관한 연구", 대한기계학회 2010년도 추계학술대회, pp.3642~3647 (2010)
- "Kai Freudenreich and KimonArgyriadis, Wind Turbine Load Level Based on Extrapolation and Simplified Methods, WindEnerg", 589~600 (2008)
- 음학진, "IEC61400-1DLC1.1에 따른 풍력터빈의 극한하중", 대한기계학회 2010년도 추계학술대회, pp.3648~3653 (2010)
- "(사)한국선급,풍력발전 시스템의 기술 기준", (사)한국선급, ~ (2008)
- 김현구, "IEC 61400 풍력표준을 적용한 제주도 김녕 난류강도 특성분석", 한국태양에너지학회 논문집, 30(6), pp.59~65 (2010), 한국태양에너지학회