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Platform Optimization and Cost Analysis in a Floating Offshore Wind Farm
Journal of Marine Science and Engineering ( IF 2.9 ) Pub Date : 2020-10-23 , DOI: 10.3390/jmse8110835
Alberto Ghigo , Lorenzo Cottura , Riccardo Caradonna , Giovanni Bracco , Giuliana Mattiazzo

Floating offshore wind represents a new frontier of renewable energies. The absence of a fixed structure allows exploiting wind potential in deep seas, like the Atlantic Ocean and Mediterranean Sea, characterized by high availability and wind potential. However, a floating offshore wind system, which includes an offshore turbine, floating platform, moorings, anchors, and electrical system, requires very high capital investments: one of the most relevant cost items is the floating substructure. This work focuses on the choice of a floating platform that minimizes the global weight, in order to reduce the material cost, but ensuring buoyancy and static stability. Subsequently, the optimized platform is used to define a wind farm located near the island of Pantelleria, Italy in order to meet the island’s electricity needs. A sensitivity analysis to estimate the Levelized Cost Of Energy is presented, analyzing the parameters that influence it most, like Capacity Factor, Weighted Average Capital Cost (WACC) and number of wind turbines.

中文翻译:

海上浮式风电场的平台优化和成本分析

海上浮动风代表了可再生能源的新领域。由于没有固定结构,因此可以利用深海中的风能,例如大西洋和地中海,这些风能的特点是具有高可用性和风能。但是,包括海上涡轮机,浮动平台,系泊设备,锚固件和电气系统在内的浮动海上风力系统需要非常高的资本投资:最重要的成本项目之一是浮动子结构。这项工作着重于选择一种浮式平台,该平台最大程度地减轻了整体重量,从而降低了材料成本,同时又确保了浮力和静态稳定性。随后,使用优化的平台来定义位于意大利潘泰莱里亚岛附近的风电场,以满足该岛的电力需求。
更新日期:2020-10-28
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