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논문 기본 정보

자료유형
학술대회자료
저자정보
Steffen Shelley (VL Offshore) Sung Youn Boo (VL Offshore) William Luyties (Pacific Sky Productions)
저널정보
한국해양환경·에너지학회 한국해양환경·에너지학회 학술대회논문집 한국해양환경·에너지학회 2018년 정기총회 및 추계학술대회 [초록집]
발행연도
2018.11
수록면
191 - 204 (14page)

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초록· 키워드

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The technology to engineer, fabricate and install floating wind exists and is feasible for all components, turbines or foundation. Applying lessons learned from offshore oil and gas projects with respect to engineering execution options, competitive supply and reduction in life cycle costs makes offshore floating wind a commercially viable energy supply in regions with moderate to high electricity prices or in regions that have other geographical or resource constraints to bringing additional energy supply on-line. For this study, a 200 MW floating wind farm located 50 km SE off the coast of Ulsan City is considered. The considered farm consists of 40 units of Y-Wind semi type floating platform with 5 MW turbine. The Levelized Cost of Energy (LCoE) of the farm is calculated according to the U.S. NREL method. The LCoE is also compared against existing electricity prices of Korea to assess project feasibility. The results indicate that a 200MW wind farm with Y-Wind foundations will have an LCoE value of around $0.162 / kWh, as compared to an LCoE value of $0.114 / kWH for the current Korea residential electricity price. Several LCoE factors are then varied to determine the sensitivity of LCoE to those factors and to identify which factors are critical to control and reduce in order to bring the wind farm cost to be competitive against existing electricity prices in Korea. Additional socio-economic benefits are discussed that can justify the LCoE of a floating wind development in markets with low electricity prices, such as in Korea. The successful implementation of offshore floating wind requires developing and implementing business, engineering and execution strategies and plans in a careful manner in order to achieve the benefits of floating offshore wind energy, namely, diversity and security of energy supply, access to large amounts of energy where needed, low carbon technology and of course, lower total energy costs.

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ABSTRACT
1. Introduction
2. Floating Wind Farm Site and Design Life
3. Factors Affecting Wind Farm and Offshore Floating Wind Design
4. Y-Wind Semi-Submersible Foundation
5. Parameters of LCoE Estimate for Wind Farm
6. Method of Calculating LCoE
7. Results and Discussion
8. Means to Reduce the Cost of the Windfarm
9. Social Benefits and Costs
10. Summary and Recommendations
References

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UCI(KEPA) : I410-ECN-0101-2019-454-000069199