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电网技术  2014 

影响光伏发电的日照强度时间函数和气象因素

DOI: 10.13335/j.1000-3673.pst.2014.10.027, PP. 2789-2793

Keywords: 光照强度,光电出力,标幺值,方位跟踪,气象因子

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Abstract:

从理论上分析了在无天气或其他变化因素影响时,光照强度对日光电出力的影响。将日照强度、日光电出力折合成标幺值,确定了全年日光电最大出力的范围。从机理上分析了方位跟踪设备对光电出力的影响,给出了方位跟踪设备在理想状态下对光电出力的提升数值。取北纬30°的地方分析,考虑当地的气象条件因素,如典型多云、阴及雨天对光电出力的影响系数,与实测数据进行了对比,验证了该方法的正确性和有效性。

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