풍력에너지 저널 (Journal of Wind Energy)

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Info. Vol.6 - No.2 (2015.12.31)
Title 30 kW 풍력 발전기의 로터-나셀 어셈블리 응력 해석 (Structural Analysis of Rotor-Nacelle-Assembly for 30 kW Wind Turbine)
Authors 김성준*, 장익수**
Institutions * (사)캠틱종합기술원 ** (사)캠틱종합기술원 (교신저자)
Abstract The structural analysis of RNA(Rotor-Nacelle-Assembly) for 30 kW wind turbine are performed to examine the structural performance. The RNA is designed with the blades, gearbox and generator of 30 kW wind turbine. For the simplify of static analysis, the simple load model of the IEC 61400-2 is used considering the main parameters such as mass of rotor, moment of inertia of blade, rated power, tip speed ratio, etc. The RNA are modeled with a finite element program, and static analyses are carried out to check the maximum stress of the RNA. The results of static analyses are verified through the safety factor based on the ultimate strength. The dynamic and fatigue models are necessary to evaluate the reliability of the structural analyses.
Keyword RNA(Rotor-Nacelle Assembly), Wind turbine (풍력발전기), Finite element(유한 요소), Structural analysis (구조 해석)
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