Energy maximization of Old PV array under discoloration conditions using different interconnection schemes

Al Mansur, Ahmed and Alam, Sabbir and Leyon, Shaquar Islam and Tohid, Sabbir Hasan and Ahmmed, Kamran and Alom, Shahin and Haider, Chowdhury Shajjad and Rahman, Mostafizur and Islam, Imamul and Ustun, Taha Selim (2023) Energy maximization of Old PV array under discoloration conditions using different interconnection schemes. In: 2nd International Conference on Information and Communication Technology for Sustainable Development, ICICT4SD 2023 , 21-23 September 2023 , Dhaka. pp. 426-431. (194316). ISBN 979-835035866-7

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Abstract

Discoloration of solar panels is a phenomenon where the color of the panels changes over time due to numerous environmental variables such as temperature, irradiance, and humidity. Discoloration causes a significant impact on the PV performance reduction considering output power. The power degradation increases gradually due to the increment of discoloration of aged PV array modules. In this work, the effect of discoloration has been investigated practically by considering a five-year aged 200 W PV array. The array modules are connected in 4×5 array configurations and the power rating of each module is 10W. The PV modules are tested individually using a professional PV tester and visual imaged-based investigations have been made to identify the discoloration effects on each module output power. Based on these results the array modules are rearranged to increase the output power using a module rearranged technique. Moreover, five different interconnection schemes are applied to make a comparative investigation considering the PV array output power and percentage of recoverable energy. The experimental results show that the BL interconnection scheme can generate 4.93% more energy than the typical SP interconnection.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Degradation; Discoloration; Module interconnection; Photovoltaic modules; PV array configurations
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Institute of Postgraduate Studies Faculty of Electrical and Electronic Engineering Technology
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	16 Apr 2024 04:19
Last Modified:	16 Apr 2024 04:19
URI:	http://umpir.ump.edu.my/id/eprint/40383
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