MATLAB/GUI based simulation for photovoltaic systems

Bayındır, Ramazan; Çolak, İlhami; Kaplan, Orhan; Can, Celal

doi:10.1109/powereng.2011.6036532

Cited by 9 publications

(3 citation statements)

References 8 publications

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“…Figure 8 shows the I-V and P-V characteristic curves (13,14) obtained using a 5-series and 2-parallel array that is composed of the Kyocera KS20 PVM under sunlight intensities of 1000 and 500 W/m 2 . First, we created a photovoltaic power generation system with the boost converter (15) combined with the 5-series and 2-parallel PVMA to carry out the tracking of the MPP.…”

Section: Resultsmentioning

confidence: 99%

A Maximum Power Tracker for Photovoltaic Module Arrays Based on the Improved Perturbation and Observation Method

Bau,

Chao

2023

Sensors and Materials

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In this paper, we propose a method based on improved perturbation and observation (I-P&O), which when used in conjunction with voltage and current sensors, enables the maximum power point tracking (MPPT) of the photovoltaic module array (PVMA), thereby increasing the power generation performance of the PVMA. The change in the maximum power output of the PVMA with varying sunlight intensities and temperature differences leads to a prolonged tracking time if the traditional perturbation and observation (P&O) method with small step-size tracking and a fixed value were adopted to find the maximum power point (MPP). Conversely, the adoption of a large step-size and a fixed value, even though the tracking speed is improved, causes a high amplitude oscillation around the point when tracked to the MPP, reducing the overall output power of the PVMA. Thus, an I-P&O method is proposed to solve this problem and to increase the output power of the PVMA. First, we set the initial voltage of the MPPT to 0.8-fold the voltage V mp of the MPP for the PVMA under standard test conditions. At the same time, we auto-adjust the tracking step-size according to the slope value of the P-V characteristic curve for the PVMA. Then, we use 62050H-600S, a programmable DC power supply manufactured by Chroma ATE Inc., to simulate the output characteristics of a 5-series and 2-parallel PVMA, followed by tracking its MPP by the traditional P&O and I-P&O methods. Finally, from the experimental results, we proved that the proposed I-P&O method yields both a better tracking dynamic response and steady-state performance under different sunlight and temperature conditions.

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Section: Resultsmentioning

confidence: 99%

A Maximum Power Tracker for Photovoltaic Module Arrays Based on the Improved Perturbation and Observation Method

Bau,

Chao

2023

Sensors and Materials

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“…They developed a variable step size algorithm that showed a reduced response time and achieved a higher e ciency than conventional perturb and observe and incremental conductance methods. Their method, derived from studies [40] [41], is di↵erent than a fixed step algorithm as the step size is adjusted in response to the rate of change of the irradiance. They noted that the conventional perturb and observe methods are more e cient for small irradiance changes around the MPP, while conventional incremental conductance methods are better suited for variable irradiance changes using larger step sizes.…”

Section: Improved Maximum Power Point Trackingmentioning

confidence: 99%

Fuzzy Logic Based Module-Level Power Electronics for Mitigation of Rapid Cloud Shading in Photovoltaic Systems

Belcher

Fattahi

Hinzer

et al. 2020

2020 IEEE Applied Power Electronics Conference and Exposition (APEC)

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“…Voltage of solar cell is shown as V pv . The R s resistance is connected in serial at the end of output is represented voltage drop at the output and the R sh resistance is connected parallel is exhibited leakage current [9,10]. In this study a typical single-axis solar tracking system was applied.…”

Section: B Case Studymentioning

confidence: 99%

Optimization of operating conditions of photovoltaic systems: A case study

Bayındır

Kabalcı

Bülbül

et al. 2012

2012 International Conference on Renewable Energy Research and Applications (ICRERA)

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Nowadays, there are several difficulties are met in the selection of appropriate conditions, place of use, and purpose of photovoltaic (PV) systems. The reason is that electrical power output of PV system shows a non-linear variation, unlike other applications, depending on the internal resistance of electrical devices (loads) as well as radiation intensity and environmental temperature. Therefore, electrical characteristics of PV panel-load must be evaluated together for correct optimization. In this study, running an electrical device having optimized curve of linear load on a monthly basis of a panel was analyzed. At the same time, surface temperature of the panel, panel inclination angle and value of the load that concerning electrical load impact on power output of PV panels was examined experimentally and theoretically.

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MATLAB/GUI based simulation for photovoltaic systems

Cited by 9 publications

References 8 publications

A Maximum Power Tracker for Photovoltaic Module Arrays Based on the Improved Perturbation and Observation Method

A Maximum Power Tracker for Photovoltaic Module Arrays Based on the Improved Perturbation and Observation Method

Fuzzy Logic Based Module-Level Power Electronics for Mitigation of Rapid Cloud Shading in Photovoltaic Systems

Optimization of operating conditions of photovoltaic systems: A case study

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