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沙漠光伏电站风蚀问题现状及防治措施分析

ANALYSIS OF CURRENT SITUATION AND PREVENTION AND CONTROL MEASURES FOR WIND EROSION PROBLEMS IN DESERT PV POWER STATIONS

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【作者】 吴正人陆世佳李莉李斌

【Author】 Wu Zhengren;Lu Shijia;Li Li;Li Bin;Hebei Key Laboratory of Low Carbon and High Efficiency Power Generation Technology,North China Electric Power University;Department of Power Engineering,North China Electric Power University;Hebei Provincial Key Laboratory of Man-machine Environment Thermal Control Technology and Equipment;Hebei Vocational University of Technology and Engineering;

【通讯作者】 吴正人;

【机构】 华北电力大学河北省低碳高效发电技术重点实验室华北电力大学动力工程系河北省人机环境热控制技术与装备重点实验室河北科技工程职业技术大学

【摘要】 随着可再生能源的不断发展,太阳能的利用越来越广泛,光伏电站的建设场景也逐渐增多,其中,建在沙漠地区的光伏电站最易发生风蚀。首先对风蚀的影响因素进行了介绍,然后对光伏电站建设对局部环境的影响进行了研究,最后对沙漠光伏电站受到的风蚀影响进行了分析,并提出了防治措施。研究结果表明:气候因素、地表因素和外部干扰是风蚀的主要影响因素;设置沙障和种植植被是目前沙漠光伏电站抵抗风蚀的主要措施。对于未建造的沙漠光伏电站,可以考虑通过数值模拟方法对增加光伏支架底柱宽度或增大光伏支架基础直径后的光伏阵列抗风蚀能力进行验证;对于已建好的沙漠光伏电站,可通过数值模拟方法分别模拟沙障在不同位置布置、不同沙障宽度,以及沙障在光伏阵列间错落布置时,光伏电站内的风沙情况,以此找到合理的沙障布置方式,以便更好地保障沙漠光伏电站的安全稳定运行,进一步降低光伏治沙的成本。

【Abstract】 With the continuous development of renewable energy,the utilization of solar energy has become increasingly widespread. The construction scenarios of PV power stations are gradually increasing,among which PV power stations built in desert areas are most prone to wind erosion. This paper first introduces the influencing factors of wind erosion,then studies the impact of PV power station construction on local environment. Finally,the effects of wind erosion on desert PV power stations are analyzed,and prevention and control measures are proposed. The research results show that climatic factors,surface conditions,and external disturbances are the primary contributors to wind erosion. The installation of sand barriers and the planting of vegetation are currently the main measures to mitigate wind erosion in desert PV power stations. For undeveloped desert PV power stations,numerical simulation methods can be considered to verify the PV array wind erosion resistance by increasing the width of the base columns or the diameter of the foundations. For already constructed desert PV power stations,numerical simulation methods can be used to simulate the sand and wind conditions inside the PV power station when sand barriers are arranged at different positions,with different sand barrier widths,and when sand barriers are staggered between PV arrays. This approach helps determine optimal sand barrier configurations to better ensure the safe and stable operation of desert PV power stations and further reduce the cost of PV sand control.

  • 【分类号】TM615
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