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풍력발전용 하이브리드타워 하중영향 및 경제성 분석

Title
풍력발전용 하이브리드타워 하중영향 및 경제성 분석
Authors
이승민
Date Issued
2011
Publisher
포항공과대학교
Abstract
With the development of wind industry, rated power of the wind turbine also increases gradually. Accordingly, size of the wind turbine tower is becoming larger. Tower base diameter of the 2MW wind turbine is about 4m. Larger tower is expected for 4MW or 5MW turbines. Due to limitation of transportation, new type of tower with smooth transportation and effective cost is needed. In this work, a hybrid tower consisting of steel and concrete is designed and analyzed. The optimum ratio of steel and concrete of the hybrid tower is calculated as well as the thickness of the concrete part. Different FE analysis including modal analysis, buckling analysis and static analysis are performed to check the design of hybrid tower comparing with the steel tower. Redesign is also expected after various analyses.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000000895715
http://oasis.postech.ac.kr/handle/2014.oak/965
Article Type
Thesis
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