局部阴影下光伏阵列功率转换效率提升进展  

Progress of photovoltaic arrays'power conversion efficiency enhancement under partial shadow

作　　者：刘宝宏[1] 贾孟奇 史一诺 曾任贤[1] LIU Baohong;JIA Mengqi;SHI Yinuo;ZENG Renxian(School of Information Engineering,Nanchang Institute of Technology,Nanchang Jiangxi 330099,China)

机构地区：[1]南昌工程学院信息工程学院,江西南昌330099

出　　处：《电源技术》2024年第11期2121-2134,共14页Chinese Journal of Power Sources

基　　金：江西省教育厅科学技术研究项目(GJJ190954);国家自然科学基金资助项目(62066030)。

摘　　要：光伏发电以其安全可靠、无污染和资源无限性等优点在新型清洁能源领域具有广泛应用前景。对近五年局部遮荫下光伏发电系统功率转换效率提升技术的研究进行了综述。分别从阵列结构改进和最大功率点跟踪算法两个方面分析局部阴影下光伏阵列系统功率转换效率提升方法。从原理、性能提升等方面分析光伏阵列结构对其最大输出功率点的影响,详细分析了TCT结构的重构和补偿方法;从传统最大功率跟踪算法和基于智能计算最大功率点算法两个方面介绍了各种最大功率点跟踪控制方法及相关改进、融合算法。最后,展望了该领域未来的研究方向,以期进一步提升光伏发电系统的工作效率。Photovoltaic power generation is widely applied in the new clean energy field due to its safety,reliability,non-pollution,and the endlessness nature of resources.The research on power conversion efficiency improvement techniques for photovoltaic power generation systems under partial shadow in the past five years is reviewed.The research progress is analyzed and summarized from two aspects:array structure reconstruction and MPPT control algorithm.The PV array structures for the effects of the maximum output power point are analyzed from principle and performance improvement,while the array reconstruction and compensation approaches of TCT structure is analyzed in detail.Various PV array system output power controlling methods:improving algorithm and the hybrid algorithm are detailedly discussed from the conventional MPPT and intelligent computing MPPT.Finally,future research directions are predicted to further improve the efficiency of photovoltaic power generation systems.

关 键 词：局部阴影 功率转换效率 阵列结构重构 最大功率点跟踪 智能算法 

分 类 号：TM914[电气工程—电力电子与电力传动]