A preliminary assessment of wind energy resources in the Nansi Lake based on numerical simulation
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Abstract:
The assessment methods of regional wind resources based on meteorological stations and anemometer towers have some limitations. The former does not have access to the wind speed data of the fan wheel, and has low evaluation precision. The latter has difficulty in getting long-time observation data, cannot provide sufficient description of the interannual variability of the average wind speed, and has high evaluation cost. In this article, we selected the surrounding area of Nansi Lake as the object of study , constructed the numerical weather forecast mode of this region based on WRF, and realized the simulation of hourly wind field around Nansi Lake from 2000 to 2016. Extracting the simulation information of wind field at 80m height, we conducted preliminary evaluation of the wind energy resources in this region by studying the annual average wind speed, annual average wind power density, annual available hours, annual wind speed distribution, and prevailing wind direction. We held that the wind energy resources in this region have certain develo pment and utilization value. As it is close to the energy consumption centers such as the pumping stations group of the East Route of the South-to-North Water Transfer Project , the wind electricity can be used locally . This paper provides certain reference for checking and utilizing wind energy resources in this region.
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