Cover
Vol. 21 No. 2 (2025)

Published: December 16, 2025

Pages: 136-144

Original Article

A New Static PV Array Reconfiguration for Increasing Maximum Power, Case Study: Al-Nahrain University

Abstract

Enhancing the generated power. Different conventional reconfiguration techniques can be used for this purpose like totalcross- tied (TCT), bridge-linked (BL), and series-parallel (SP) . . . etc. This article propose a new static reconfiguration technique named Row Odd Even reconfiguration (ROE) to increase the maximum power generated from PV array with the effect of partial shading condition. The proposed reconfiguration has been tested on a 3×22 PV array suggested to provide power to the department of electronic and communications engineering at Al-Nahrain University, Baghdad, Iraq. The results of the proposed reconfiguration are compared with the (SP, TCT, and Zig-zag) in terms of mismatch power losses (MPL), fill factor (FF), and efficiency (η) at the maximum generated power of PV array. In all cases, the performance of the new reconfiguration gave the best performance when compared with (SP, TCT, and Zig-zag). The new reconfiguration achieved an improvement in the maximum power point (MPP) and efficiency about 33%, 28% and 7% when compared with the (SP), (TCT) and (Zig-zag) reconfigurations respectively.

References

  1. P. R. Kareem, S. Algburi, H. Jasim, and F. H. Hasan, “Optimal pv array configurations for partial shading conditions,” Indonesian Journal of Electrical Engineering and Computer Science, vol. 32, no. 1, 2023.
  2. L. F. L. Villa, D. Picault, B. Raison, S. Bacha, and A. Labonne, “Maximizing the power output of partially shaded photovoltaic plants through optimization of the interconnections among its modules,” IEEE Journal of Photovoltaics, vol. 2, no. 2, pp. 154–163, 2012.
  3. S. Rezazadeh, A. Moradzadeh, S. M. Hashemzadeh, K. Pourhossein, B. Mohammadi-Ivatloo, and S. H. Hosseini, “A novel prime numbers-based pv array reconfiguration solution to produce maximum energy underpartial shade conditions,” Sustainable Energy Technologies and Assessments, vol. 47, p. 101498, 2021.
  4. M. Z. Shams El-Dein, M. Kazerani, and M. M. A. Salama, “Optimal photovoltaic array reconfiguration to reduce partial shading losses,” IEEE Transactions on Sustainable Energy, vol. 4, no. 1, pp. 145–153, 2013.
  5. A. Mahmood, “Design and simulation of stand-alone pv system for electronic and communications engineering department laboratories in al-nahrain university,” EAI Endorsed Transactions on Energy Web, vol. 6, 1 2019.
  6. H. A. Kazem and M. T. Chaichan, “Status and future prospects of renewable energy in iraq,” Renewable and Sustainable Energy Reviews, vol. 16, no. 8, pp. 6007– 6012, 2012.
  7. W. Weather and C. Information, “Weather and Climate.” https://weather-and-climate.com/average-monthly-hours-Sunshine, Bagdad,Iraq.
  8. M. Chaichan, H. A. Kazem, A. Al-Waeli, K. Sopian, M. Fayad, W. Alawee, H. Dhahad, W. Roslam, W. Isahak, and A. Al-Amiery, “Sand and dust storms’ impacton the efficiency of the photovoltaic modules installed in baghdad: A review study with an empirical investigation,” Energies, vol. 16, pp. 1–25, 05 2023.
  9. A. Mohapatra, B. Nayak, P. Das, and K. B. Mohanty, “A review on mppt techniques of pv system under partial shading condition,” Renewable and Sustainable Energy Reviews, vol. 80, pp. 854–867, 2017.
  10. L. Gao, R. Dougal, S. Liu, and A. Iotova, “Parallelconnected solar pv system to address partial and rapidly fluctuating shadow conditions,” Industrial Electronics, IEEE Transactions on, vol. 56, pp. 1548 – 1556, 06 2009.
  11. C. Saiprakash, A. Mohapatra, and B. Nayak, “An a tt array configuration for performance enhancement of pv system under psc,” in 1st International Conference on Power Electronics and Energy (ICPEE), pp. 1–5, 01 2021.
  12. S. Rezazadeh, A. Moradzadeh, K. Pourhossein, M. Akrami, B. Mohammadi-ivatloo, and A. Anvari- Moghaddam, “Photovoltaic array reconfiguration under partial shading conditions for maximum power extraction: A state-of-the-art review and new solution method,” Energy Conversion and Management, vol. 258, 2022.
  13. S. Vijayalekshmy, G. Bindu, and S. Rama Iyer, “A novel zig-zag scheme for power enhancement of partially shaded solar arrays,” Solar Energy, vol. 135, pp. 92– 102, 2016.
  14. A. M. Ajmal, T. Sudhakar Babu, V. K. Ramachandaramurthy, D. Yousri, and J. B. Ekanayake, “Static and dynamic reconfiguration approaches for mitigation of partial shading influence in photovoltaic arrays,” Sustainable Energy Technologies and Assessments, vol. 40, p. 100738, 2020.
  15. https://solarhub.com/product-catalog/pv-modules/46145-ASEC-320G6M-Apollo-Solar-Energy.
  16. G. Carannante, C. Fraddanno, M. Pagano, and L. Piegari, “Experimental performance of mppt algorithm for photovoltaic sources subject to inhomogeneous insolation,” Industrial Electronics, IEEE Transactions on, vol. 56, pp. 4374 – 4380, 12 2009.
  17. C. Saiprakash, A. Mohapatra, B. Nayak, and S. Ghatak, “Performance enhancement of pv array under partial shading condition by modified bl configuration,” in Proceedings of 2020 IEEE Calcutta Conference (CALCON), pp. 308–312, 02 2020.
  18. D. Li, H. Zhou, Y. Zhou, Y. Rao, and W. Yao, “Atom search optimization-based pv array reconfiguration technique under partial shading condition,” International Transactions on Electrical Energy Systems, 2023.
  19. C. T. K. Kho, J. Ahmed, S. B. A. Kashem, and Y. L. Then, “A comprehensive review on pv configurations to maximize power under partial shading,” TENCON 2017 - 2017 IEEE Region 10 Conference, pp. 763–768, 2017.
  20. K. Rajani and T. Ramesh, “Reconfiguration of pv arrays (t-c-t, b-l, h-c) considering wiring resistance,” CSEE Journal of Power and Energy Systems, vol. 8, no. 5, pp. 1408–1416, 2022.
  21. A. S. Yadav, R. K. Pachauri, and Y. K. Chauhan, “Comprehensive investigation of pv arrays with puzzle shade dispersion for improved performance,” Solar Energy, vol. 129, pp. 256–285, 2016.
  22. D. G. Lorente, S. Pedrazzi, G. Zini, A. Dalla Rosa, and P. Tartarini, “Mismatch losses in pv power plants,” Solar Energy, vol. 100, pp. 42–49, 2014.
  23. B. Nayak, A. Mohapatra, and P. Das, “Optimal hybrid array configuration scheme to reduce mismatch losses of photovoltaic system,” in 2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT), pp. 1–7, 2017.
  24. S. Rezazadeh, A. Moradzadeh, K. Pourhossein, B. Mohammadi-ivatloo, and F. P. G. M´arquez, “Photovoltaic array reconfiguration under partial shading conditions for maximum power extraction via knight’s tour technique,” Journal of Ambient Intelligence and Humanized Computing, vol. 14, pp. 11545 – 11567, 2022.
  25. R. Raj and K. Naik, “Novel shade dispersion techniques for reconfiguration of partially shaded photovoltaic arrays,” Smart Grids and Sustainable Energy, vol. 8, 03 2023.