Abstract
This study utilizes a 30-year (1980–2009) 10 m wind field dataset obtained from the European Center for Medium Range Weather Forecast to investigate the wind energy potential in the East China Sea (ECS) by using Weibull shape and scale parameters. The region generally showed good wind characteristics. The calculated annual mean of the wind power resource revealed the potential of the region for large-scale grid-connected wind turbine applications. Furthermore, the spatiotemporal variations showed strong trends in wind power in regions surrounding Taiwan Island. These regions were evaluated with high wind potential and were rated as excellent locations for installation of large wind turbines for electrical energy generation. Nonsignificant and negative trends dominated the ECS and the rest of the regions; therefore, these locations were found to be suitable for small wind applications. The wind power density exhibited an insignificant trend in the ECS throughout the study period. The trend was strongest during spring and weakest during autumn.
Highlights
Offshore wind power refers to the construction of wind farms in large bodies of water to generate electricity
The current study aims to estimate the wind energy potential of the East China Sea (ECS) by using a 30-year, 6-hour, 10 m wind speed of ECMWF computed by the WAVEWATCH III (WW3) model
This study used a 30-year, 6-hour, high-resolution reanalysis of the wind field dataset to assess the spatiotemporal variation of the wind power potential using Weibull shape and scale parameters of the ECS
Summary
Offshore wind power refers to the construction of wind farms in large bodies of water to generate electricity. These installations can utilize frequent and powerful available wind. Offshore wind power elicits less aesthetic effect on the landscape than on land-based projects. Offshore wind energy utilizes wind power through turbines located in coastal and ocean waters to produce electricity, which is transmitted by cables to the mainland grid. Offshore wind is more productive than onshore (or land-based) wind because the former exhibits higher and more consistent wind speeds over the ocean. Construction and operation of offshore wind farms, where groups of turbines are located together, remain challenging. Optimization of the technology to regional site conditions leads to development in the local supply chain and decline in operating costs; wind power is predicted to become an important source of electricity for many states in the Northeast and Mid-Atlantic
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