article · IEEE Access
Electrification of urban areas increasingly relies on integrating renewable energy sources such as solar photovoltaic and wind systems to supply continuous power during peak periods and manage costs. However, environmental variations such as fluctuating solar irradiation and wind velocity introduce significant operational uncertainties. To address these challenges, a hybrid solar and wind system was evaluated with an emphasis on maintaining a consistent direct current bus-bar voltage. The configuration integrates a microcontroller system alongside a buck-boost converter, and adjusts output voltage to support necessary battery connections. A simulation model developed in MATLAB assesses the performance of this hybrid arrangement under varying environmental conditions, comparing the outcomes with conventional fossil fuel-based generation methods to demonstrate effective integration into power networks.
Integrating renewable sources like solar and wind into existing electricity grids is essential for reducing greenhouse gas emissions and meeting peak demand. Because weather fluctuations create instability, control solutions that stabilise system voltages and integrate battery storage help ensure that clean energy can be reliably delivered to consumers as an alternative to centralized fossil fuel power stations.
This work is relevant to power system engineers, microgrid developers, and grid operators seeking strategies to stabilise hybrid renewable inputs. By examining voltage regulation using a microcontroller and buck-boost converter, the study provides design concepts for renewable grid integration. However, because the results rely entirely on MATLAB simulations without hardware testing, the technology remains at an early research stage.
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In recent years, there has been a proliferation of studies focusing on sustainable energy sources aimed at delivering reliable power with reduced greenhouse gas emissions. Among these endeavors, electrification of urban areas through incorporation of renewable energy sources (RESs) stands out as a pivotal application of RES. Increasingly, the integration of RESs like PV and wind into the power grid is being pursued as an alternative to traditional centralized power stations, offering a means to ensure continuous power supply during peak demand periods while simultaneously managing unit costs, thereby providing a systematic and readily accessible power supply to consumers. This paper presents a comprehensive examination of hybrid wind and PV with focus on achieving consistent DC bus-bar voltage through integration with microcontroller system via buck-boost converter. Additionally, hybrid system’s output voltage is tailored to accommodate necessary battery connections. However, given influence of environmental variables like fluctuations in solar irradiation and wind velocity on power output of PV and wind seamless integration of these sources becomes paramount. To address this challenge MATLAB model is developed to simulate grid integration of hybrid wind and PV, enabling a detailed analysis of integrated grid’s performance. Simulation results are then proposed with those obtained from conventional fossil fuel-based power generation methods. In this research underscores importance of integrating RES into existing power grids and highlights efficacy of hybrid wind and PV in meeting this objective. Findings presented herein contribute to advancing discourse on sustainable energy solutions, offering valuable insights for policymakers, industry stakeholders, and researchers.
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DOI: 10.1109/access.2024.3370163
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