TY - JOUR T1 - Review of Grid-Connected Solar PV Systems With Decoupled Control TT - Review of Grid-Connected Solar PV Systems With Decoupled Control AU - Özcan, Abdulkadir AU - Algburi, Ahmed Saadoon Mahmood AU - Khaleel, Omar Ali AU - Lafta, Hanaa Hussein PY - 2024 DA - December Y2 - 2024 DO - 10.53525/jster.1533727 JF - Journal of Science, Technology and Engineering Research JO - Journal of Science, Technology and Engineering Research PB - Mehmet BULUT WT - DergiPark SN - 2717-8404 SP - 135 EP - 147 VL - 5 IS - 2 LA - en AB - This paper presents a decoupled control for grid-connected solar photovoltaic (PV) system. The control framework used in this paper aims not to track the changing maximum power point (MPP) for extracting power at MPP, hence blocking the MPP tracking issue against the effect of solar radiation and temperature. Real power is produced by tracking the control voltage with a zero-dynamics-based controller. A cascaded loop controller with inner loop to regulate the control voltage is incorporated to ensure the produced real power follows the reference power in the presence of power disturbance. The proposed control scheme with the consideration of the inverter's rated voltage shows improved system dynamics. Simulations in various conditions are conducted to prove the effectiveness of the proposed control strategies. CIGRE 13-node benchmark system is used as the case study to evaluate the results of the PV system connected to a more complex power system. It has been shown that the proposed controller allows the total production of the energy under maximum power point conditions and also improves the overall stability of distributed generation connected to the grid. Therefore, it can be implemented to increase the capacity of renewable inverter-based power generation and the power system quality. KW - solar power KW - power generation KW - solar energy KW - decoupled control N2 - Bu makale şebekeye bağlı güneş fotovoltaik (PV) sistemi için ayrıştırılmış bir kontrol sunmaktadır. Bu makalede kullanılan kontrol çerçevesi, MPP'de güç çıkarmak için değişen maksimum güç noktasını (MPP) izlememeyi ve dolayısıyla güneş radyasyonu ve sıcaklığın etkisine karşı MPP izleme sorununu engellemeyi amaçlamaktadır. Gerçek güç, sıfır dinamik tabanlı bir kontrolörle kontrol voltajının izlenmesiyle üretilir Güç bozulması durumunda üretilen gerçek gücün referans gücü takip etmesini sağlamak için kontrol voltajını düzenleyen iç döngüye sahip bir kademeli döngü denetleyicisi dahil edilmiştir İnverterin anma geriliminin dikkate alındığı önerilen kontrol şeması, sistem dinamiklerinde iyileşme göstermektedir Önerilen kontrol stratejilerinin etkinliğini kanıtlamak için çeşitli koşullarda simülasyonlar yürütülür. CIGRE 13 düğümlü kıyaslama sistemi, daha karmaşık bir güç sistemine bağlı PV sisteminin sonuçlarını değerlendirmek için vaka çalışması olarak kullanılır. Önerilen kontrolörün, maksimum güç noktası koşulları altında toplam enerji üretimine izin verdiği ve ayrıca şebekeye bağlı dağıtılmış üretimin genel kararlılığını iyileştirdiği gösterilmiştir Bu nedenle yenilenebilir enerji kaynaklı invertör tabanlı güç üretim kapasitesinin ve güç sistemi kalitesinin artırılması için uygulanabilir. CR - [1] T. Sutikno, W. Arsadiando, A. Wangsupphaphol, "A review of recent advances on hybrid energy storage system for solar photovoltaics power generation," IEEE, 2022. ieee.org CR - [2] AS Aziz, MFN Tajuddin, MR Adzman, MF Mohammed, "Feasibility analysis of grid-connected and islanded operation of a solar PV microgrid system: A case study of Iraq," Energy, Elsevier, 2020. 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