| 高 震,隽增明.考虑近处阴影影响的分布式光伏系统发电性能分析[J].电力需求侧管理,2025,27(5):64-70 |
| 考虑近处阴影影响的分布式光伏系统发电性能分析 |
| Performance analysis of distributed PV system generation considering nearly shadow effects |
| 投稿时间：2025-04-18 修订日期：2025-06-21 |
| DOI：10. 3969 / j. issn. 1009-1831. 2025. 05. 010 |
| 中文关键词: 分布式光伏 近处阴影遮挡 发电性能 光伏阵列 |
| 英文关键词: distributed PV nearly shadow occlusion generation performance photovoltaic array |
| 基金项目:国家电网有限公司科技项目（5419-202325462A） |
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| 中文摘要: |
| 近年来，分布式光伏系统迎来高速发展。受现场环境影响，分布式光伏系统在运行过程中易受近处阴影遮挡造成发电量损失，使得需求侧能量管理受到影响。因此，针对近处阴影遮挡影响下分布式光伏系统发电性能开展了仿真分析。研究了阴影对光伏阵列输出特性影响机理，量化了遮挡对发电量的损耗情况，建立了光伏阵列工程模型以及遮挡物模型。在此基础上，结合全年太阳位置算法，针对某分布式光伏电站受阴影遮挡时全年发电量进行仿真，分析了阴影遮挡前后该分布式光伏发电系统发电量以及经济效益损失情况，结果可为分布式光伏电站设计和规划提供参考。 |
| 英文摘要: |
| In recent years, distributed photovoltaic（PV）systems have entered a period of rapid development. Affected by the site environment, the distributed PV system is vulnerable to the nearly shadows during operation, resulting in loss of power generation which affecting demand side energy management. The generation performance of distributed PV system under the influence of nearly shadow is simulated and analyzed. The influence mechanism of shadow on the output characteristics of PV array is studied, the loss of power generation due to shadow is quantified, and the PV array engineering model and occlusion model are established. Based on this, combined with the annual solar position algorithm, the annual power generation of a distributed PV system under shadow is simulated, and the power generation loss and the economic loss of the distributed PV system before and after shadow is analyzed. The results can provide a reference for the design and planning of distributed PV system. |
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