Performance analysis of winnowing dynamic reconfiguration in partially shaded solar photovoltaic system

被引:6
作者
Kumar, Kavitha Suresh [1 ]
David, Prince Winston [1 ]
机构
[1] Kamaraj Coll Engn & Technol, K Vellakulam 625701, India
关键词
Dynamic reconfiguration; Solar energy; Shading; Converters; Optimum output power; PARTIAL SHADING CONDITIONS; PV ARRAY;
D O I
10.1016/j.solener.2024.112309
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
To extract maximum power out of solar PV array when there is partial shadowing, a dynamic reconfiguration is required. Partial shade has significantly decreased output power, which lowers PV panel's efficiency. Numerous strategies have been put out to prevent power loss reduction when partial shade occurs. Existing techniques have not been able to provide better power extraction at extremely low irradiation. The proposed winnowing technique for dynamic reconfiguration is appropriate to get rid of power loss due to mismatch under very low radiation. The suggested approach enhances the output power under partially shade condition in low-irradiation. Fifteen different shading scenarios and six reconfiguration switching patterns were investigated to confirm the proposed concept. The proposed winnowing technique increases the solar PV array output power up to 59.3% by effectively decreasing mismatch losses in the solar PV system.
引用
收藏
页数:21
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