Addition progression structure photovoltaic array reconfiguration technique to generate maximum power under static partial shading condition

S Anjum, V Mukherjee, G Mehta - Arabian Journal for Science and …, 2022 - Springer
S Anjum, V Mukherjee, G Mehta
Arabian Journal for Science and Engineering, 2022Springer
Cases of partial shading cause unwanted effects on the output produced by the solar
photovoltaic (PV). This is due to the fact that some modules in the array are covered by
shade while others in the same array are not so. As a direct result of this phenomenon,
multiple peaks arise in the P–V characteristics of the PV array (PVA) along with sudden and
severe row current changes. Both of these impede the performance of PVAs. This paper
involves four new approaches ie half-bridge link (HBL), half total cross tied (TCT)(HTCT) …
Abstract
Cases of partial shading cause unwanted effects on the output produced by the solar photovoltaic (PV). This is due to the fact that some modules in the array are covered by shade while others in the same array are not so. As a direct result of this phenomenon, multiple peaks arise in the PV characteristics of the PV array (PVA) along with sudden and severe row current changes. Both of these impede the performance of PVAs. This paper involves four new approaches i.e. half-bridge link (HBL), half total cross tied (TCT) (HTCT), short arrangement alternative return, and addition progression structure (APS) pattern. In the APS PVA, the reconfiguration of classical TCT modules is done as per the APS puzzle pattern. The APS technique relocates the modules in the array without changing the electrical connections. The maximum output power, mismatch power loss, and fill factor of bridge link, series–parallel, TCT, honeycomb, HTCT, and HBL are compared with APS to analyse the performance of the reconfiguration technique proposed in this paper. The results establish the efficacy of the proposed APS method as it outperforms the conventional approaches deemed to be the most effective. The proposed APS topology provides a maximum reduction of 38.36% in mismatch power loss, and 1.62 more fill factor as compared to benchmark TCT configuration.
Springer
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