Enhancing the Performance and Integrity of Grid-Tied Green Power Systems using Unified Power Quality Conditioner and Fractional Order Control

SAMALA NAGARAJU, BETHI CHANDRAMOULI

Abstract


Renewable energies are crucial to current power systems for sustainability and the preservation of the environment, but their dependability is hampered by their reliance on environmental factors. The usage of what is called a Unified Power Quality Conditioner (UPQC) is described in this article as a way to improve the dependability and effectiveness of solar and wind power plants that are grid-connected. This integrated structure uses wind turbines together with solar cells as its two renewable energy sources. Based on its distinctive skills to manage active as well as reactive power regulation, UPQC was chosen. The Fractional Order PID (FOPID) controller explored to regulate the UPQC has had its settings adjusted using the Golden Eagle Optimization (GEO) technique. The effectiveness of the proposed controller in enhancing the performance and reliability of the hybrid energy system throughout a variety of chaos events, such as sags in voltage, swells, and imbalanced loading, is verified through simulation results. Furthermore, by reducing total harmonic distortion (THD), the UPQC-FOPID control strategy can enhance power quality. It's noteworthy that distinct maximum power point tracking (MPPT) Maximum power point tracking (MPPT) approaches have been incorporated for systems using PV and WT separately. The entire system, including the UPQC, FOPID controller, MPPT techniques, and renewable energy sources, has been modeled and simulated using MATLAB/SIMULINK R2022b software.

Keywords


Renewable energy sources, Unified Power Quality Conditioner (UPQC), Photovoltaic (PV) cells, wind turbines (WTs), Fractional Order Proportional–Integral–Derivative (FOPID) controller, Golden Eagle Optimization (GEO) algorithm, Power quality, Maximum power

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v14i4.14673.g8965

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