A Fuzzy Logical-Based Variable Step Size P&O MPPT Algorithm for Photovoltaic System
Abstract
:1. Introduction
2. Maximum Power Point Tracking Techniques
3. Proposed Fuzzy Logical Based Variable Step Size P&O MPPT Algorithm
3.1. Simulation Results of the Proposed Variable Step Size P&O MPPT Algorithm
4. Experiment System Setup for Testing the MPPT Algorithm
4.1. Boost DC-DC Converter
4.2. dSPACE-Based MPPT Controller Implementation
4.3. The Emulated PV Source
4.4. Experimental Results
5. Conclusions
Author Contributions
Conflicts of Interest
References
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Δe = S(k) | PVS | PS | PM | PH | PVH | |
---|---|---|---|---|---|---|
E = Voltage Step | ||||||
PVS | PVH | PVS | PVS | PS | PS | |
PS | PVH | PVS | PVS | PS | PS | |
MP | PS | PS | PS | PVH | PVH | |
HP | PS | PVH | PS | PVS | PVH | |
PVH | PVS | PVS | PVH | PH | PVH |
Boost DC-DC Converter Parameter | |
---|---|
Switching frequency | 20 kHz |
Input capacitor | 220 µF |
Output capacitor | 440 µF |
Inductor | 100 µH |
Rated Maximum power | 175 Watts |
Voltage at the maximum power point (Vmpp) | 35.2 Volts |
Current at the maximum power point (Impp) | 4.95 Amp |
Short circuit current (Isc) | 5.2 Amp |
Open circuit voltage (Voc) | 44.2 Volts |
Normal operating cell temperature | 50 °C |
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Macaulay, J.; Zhou, Z. A Fuzzy Logical-Based Variable Step Size P&O MPPT Algorithm for Photovoltaic System. Energies 2018, 11, 1340. https://doi.org/10.3390/en11061340
Macaulay J, Zhou Z. A Fuzzy Logical-Based Variable Step Size P&O MPPT Algorithm for Photovoltaic System. Energies. 2018; 11(6):1340. https://doi.org/10.3390/en11061340
Chicago/Turabian StyleMacaulay, John, and Zhongfu Zhou. 2018. "A Fuzzy Logical-Based Variable Step Size P&O MPPT Algorithm for Photovoltaic System" Energies 11, no. 6: 1340. https://doi.org/10.3390/en11061340