Abstract
This paper analyzes the supportive function of the photovoltaic PV system in integrating the microgrid role to deliver the necessarily clean electricity to the individual dwellings. The study focuses on the merit of the flexibility in designing a renewable energy PV system in terms of power quality and quantity, in addition to reducing the air pollution by reducing the dependency on the conventional power generation station. A comparison between a direct current DC microgrid and an alternating current AC microgrid is shown in terms of system's components and requirements. The process of an algorithm for the Maximum Power Point Tracking MPPT to guarantee a higher level of harvested energy is also shown. A PV system design is introduced in this study for a desired power level generating to satisfy the electricity requirements of a small scale dwelling with a maximum power delivering capability of 9 kW. MATLAB/Simulink is adopted to investigate and evaluate the PV system performance in guaranteeing the MPPT functioning.Keywords: Renewable energy sources, Microgrid system, traditional power station, Photovoltaic PV panel, MPPT algorithm, MATLAB/Simulink.JEL Classifications: C3689, D4, Q24DOI: https://doi.org/10.32479/ijeep.11603
Highlights
Since decades ago, fossil fuel represents a main source of energy to be used in the conventional power generation stations
The design of this study is evaluated through MATLAB/Simulink, firstly, the proposed PV array of 6 string and 11 PV modules in each string is tested and the behavior is demonstrated in Figure 6 below in which, at the MPP working condition, the total output current equals to 7.84 A × 6 = 47 A, the total output voltage
The duty cycle is controlled by the inserted MPPT algorithm; it is noticeable that the duty cycle is varied from 0.25 to 0.5 that to have maximum load power
Summary
Fossil fuel represents a main source of energy to be used in the conventional power generation stations. Attia: Impact of Photovoltaic Microgrid System on Renewable Energy Building study in (Grainger and Stevenson, 2008) showed the installation and the performance of a conventional power station, and how the centralized station consuming extra energy as transmission and distribution lines losses, in addition to the losses in the transformers of generator side and end user side. These losses are increases the consuming to the fossil fuels, and increases the emissions of CO2, and it increases the rate of air pollution. Many turbines that rotate the rotor are working by an external mechanical effect that can be done using steam energy which is obtained by fossil fuels
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