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• W4382931944 abstract "Maximum Power Point Tracking (MPPT) algorithms play a critical role in maximizing the output power of solar panels. Different MPPT techniques are evaluated based on several criteria, such as tracking speed, simplicity, and accuracy with changes in solar irradiance and ambient temperature. Under partial shading conditions (PSCs), conventional techniques fail to track global maximum power points (GMPP). This paper aims to present an automatic and accurate method to fix the complexity of determining the accurate lookup table data in an automatic and fast process under uniform irradiance conditions (UICs) and PSCs. The proposed method runs the photovoltaic (PV) module with all potential irradiance and temperature. It automatically calculates the perfect voltage reference (Vref) for all potential PV system cases. The Vref is collected in an array, sent into a two-dimensional lookup table, and used for controlling the boost converter. Simulation results verify the effectiveness of the proposed method. In addition, a comparison was also made with the conventional perturb and observe (P&O) method. Under UICs, the proposed method takes less time than the conventional P&O algorithm to reach the MPP. The time difference between them is ?t = 0.133 sec and ?t = 0.04 sec for the first scanning process at t = 0 sec and sudden change irradiance at t = 1.5 sec, respectively. As for PSCs, the proposed method reached the GMPP during pattern 104 (first peak) without any power loss, while the P&O MPPT was able to track the GMPP but with power losses of 2729.97 watts. ABSTRAK: Algoritma Penjejakan Titik Kuasa Maksimum (MPPT) memainkan peranan penting dalam memaksimumkan kuasa keluaran panel solar. Teknik MPPT yang berbeza dinilai berdasarkan beberapa kriteria seperti kelajuan pengesanan, kesederhanaan, dan ketepatan dengan perubahan dalam sinaran suria dan suhu ambien. Di bawah keadaan teduhan separa (PSC), teknik konvensional gagal menjejak titik kuasa maksimum global (GMPP). Kajian ini bertujuan bagi membentangkan kaedah automatik dan tepat bagi membetulkan kesusahan dalam menentukan carian data berjadual secara tepat, automatik dan pantas di bawah keadaan sinaran seragam (UIC) dan PSC. Kaedah yang dicadangkan menjalankan modul fotovoltaik (PV) dengan semua potensi sinaran dan suhu dan mengira rujukan voltan sempurna (Vref) secara automatik bagi semua kes yang berpotensi dalam sebarang jenis sistem PV. Vref dikumpul dalam tata susunan, dihantar ke dalam jadual carian dua dimensi, dan digunakan bagi mengawal penukar rangsangan. Keputusan simulasi mengesahkan keberkesanan kaedah yang dicadangkan. Perbandingan juga dibuat dengan kaedah konvensional perhati dan ganggu (P&O). Di bawah UIC, kaedah yang dicadangkan mengambil masa yang lebih singkat berbanding algoritma konvensional P&O bagi mencapai MPP. Perbezaan masa antara keduanya adalah masing-masing, ?t = 0.133 saat dan ?t = 0.04 saat bagi proses pengimbasan pertama iaitu pada t = 0 saat dan sinaran perubahan mendadak pada t = 1.5 saat. Bagi PSC, kaedah yang dicadangkan mencapai GMPP semasa corak 104 (puncak pertama) tanpa kehilangan kuasa manakala MPPT P&O dapat mengesan GMPP tetapi dengan pengurangan kuasa sebanyak 2729.97 watt." @default.
• W4382931944 created "2023-07-04" @default.
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• W4382931944 date "2023-07-04" @default.
• W4382931944 modified "2023-09-25" @default.
• W4382931944 title "ENHANCEMENT OF MPPT MODULE FOR PARTIAL SHADING PHOTOVOLTAIC SYSTEM UNDER UNIFORM IRRADIANCE CONDITIONS" @default.
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• W4382931944 doi "https://doi.org/10.31436/iiumej.v24i2.2752" @default.
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