International Journal on Science and Technology

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Volume 17 Issue 1
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Multi-Objective Optimization of Renewable Energy Supported UPQC for Power Quality and Reliability Improvement

Author(s) Mr. SANDIP KUMAR, Mr. ANUP KUMAR MAHTO
Country India
Abstract The integration of RES into modern power systems is essential for sustainable energy generation but poses challenges such as power quality disturbances due to their intermittent and variable nature. To address these issues, the RES-UPQC emerges as an innovative solution, combining power quality improvement with renewable energy integration. The RES-UPQC is a hybrid device comprising series and shunt active power filters that simultaneously mitigate voltage sags, swells, harmonics, and reactive power imbalances while enabling the seamless incorporation of RES, such as PV, FC and wind energy, into the grid. By ensuring stable power delivery and maintaining power quality at the PCC, the system improves grid reliability and supports increased renewable penetration. Advanced control algorithms are employed for real-time compensation and efficient power management, ensuring smooth operation under dynamic grid conditions. The RES-UPQC not only enhances power quality but also maximizes the utilization of renewable energy, contributing to cleaner and more sustainable energy systems. Along with multiple renewable sources connection to the UPQC DC link energy storage elements like battery or super capacitor can also be connected for better stability. Many possible topologies of the RES-UPQC are discussed in this paper and the outcome of these topologies is discussed.
Keywords RES (Renewable Energy Source), UPQC (Unified Power Quality Conditioner), PV (Photo Voltaic), FC (Fuel cell), PCC (Point of Common Coupling).
Field Engineering
Published In Volume 17, Issue 1, January-March 2026
Published On 2026-02-28
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