Improving grid-connected rooftop solar photovoltaic performance

In this paper, the authors proposed to apply a Perturb and Observe (P&O) algorithm to track the Maximum Power Point (MPP) of a grid-connected rooftop solar photovoltaic (PV) system. Since MPP maximizes the output power of a solar PV system for a given set of conditions and therefore maximizes th...

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Bibliographic Details
Main Authors: Truong, Dinh-Nhon, Thi, Mi-Sa Nguyen, Ngo, Van-Thuyen, Nguyen, Huu-Vinh, Tong, Van-Ngoc, Nguyen, Van-Phuoc
Format: Conference Proceeding
Language:English
Subjects:
Algorithms
Damping
Maximum power
Photovoltaic cells
Solar oscillations
Tracking
Online Access:Get full text
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Summary:In this paper, the authors proposed to apply a Perturb and Observe (P&O) algorithm to track the Maximum Power Point (MPP) of a grid-connected rooftop solar photovoltaic (PV) system. Since MPP maximizes the output power of a solar PV system for a given set of conditions and therefore maximizes the PV efficiency, thus an MPP can minimize the cost of investing. Besides designing a P&O algorithm for MPP tracking to maximize the power extraction to the grid of a rooftop 5-kWp PV system, the other goal of this paper is reducing power oscillation to enhance the power quality of the grid-tie PV inverter. Simulation results in the time domain of the studied grid-connected 5-kWp rooftop solar PV system with different operating conditions are shown by using MATLAB/SIMULINK toolbox. By observing the simulation results, it's clear to conclude that the designed P&O algorithm not only shows a better performance of the MPP tracking but also improves the damping characteristic of the studied system.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0205713