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QUALITY CONTROL OF POWER SYSTEM USING DG_UPQC WITH AI BASED SWITCHING MODULATION TECHNIQUE
1Ashok Kumar Mandal, 2Mithlesh Gautam, 3Dr. Ashwani Tapde
1Department of Master of technology (Power electronics), Truba College of Science & Technology, Bhopal, (M.P.)
2Department of Master of technology (Power electronics), Truba College of Science & Technology, Bhopal, (M.P.)
3Department of Master of technology (Power electronics), Truba College of Science & Technology, Bhopal, (M.P.)
Abstract-: Problems with power quality (PQ) are those which cause the voltage and/or current to deviate from the nominal sine wave. Voltage sags/swells and harmonic currents are typically the focus of P-Q issues. Recently, it has become more common to take Custom Power (CP) devices into usage for addressing these power quality issues. The Unified Power Quality Conditioner (UPQC), which simultaneously lowers load current and supply voltage concerns, is one of the CP devices. In this study, we suggest the UPQC in combination with a hybrid solar-wind energy resource to address power quality (PQ) issues in power systems. The UPQC proves effective in mitigating voltage sags/swells, harmonic currents, and enhancing power outcomes. Through simulations in MATLAB/SIMULINK, the proposed system achieves a 3.5% increase in active power, reduces reactive power to 52.85 , and enhances the power factor from 0.91 to 0.96. Additionally, it significantly reduces Total Harmonic Distortion (THD %) in both current as well as voltage waveforms, making UPQC a promising solution for enhancing power quality in hybrid energy systems.
Keywords: UPQC, Evolution Strategy (ES), Distributed generation (DG), Power Quality, Hybrid system.
