Publication: Modeling and simulation of 100kw single-stage three-phase grid connected photovoltaic generation system
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Date
2024-07
Authors
Tan, Shao Teng
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Abstract
This research work develops and simulates a 100kW grid-connected photovoltaic (PV) system using MATLAB Simulink. Its aims are to effectively
integrate renewable energy into the electrical grid while ensuring dependable power delivery. Focused on improving power quality and reducing harmonic distortion, the research responds to growing global needs for sustainable energy solutions amid heightened environmental concerns. The problem statement involves designing a PV system capable of optimizing power output under varying environmental conditions. Methodologically, the system utilizes a Perturb and Observe (P&O) algorithm for Maximum Power Point Tracking (MPPT), chosen for its simplicity and cost effectiveness. A wye-connected LCL filter is employed to suppress high-frequency noise and voltage ripples, meeting stringent grid standards and ensuring smooth grid interaction. Additionally, a d-q control method is implemented in the three-phase inverter to streamline power conversion and synchronization with the grid. This research work presents opportunities for further research and development, including the exploration of advanced MPPT algorithms, longer-duration simulations to capture seasonal variations, and the implementation of more sophisticated control techniques. These avenues promise to enhance the reliability, efficiency, and scalability of grid connected PV systems, contributing to sustainable energy solutions in a dynamically evolving energy landscape.