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<p>The integration of intermittent renewable energy sources (RES) into grid-supported microgrids presents significant operational challenges, including power quality issues, harmonic distortion, and inefficient power flow. This study proposes a coordinated control strategy for a Hybrid Energy System (HES) integrated with an Electric Vehicle (EV) park to address these issues. The system incorporates solar photovoltaics (SPV), wind energy sources, an EV park with diverse battery types, and a coordinated control framework based on a feedforward-enhanced PI controller. The proposed solution utilizes grid-side and rotor-side converters for reactive power management and DC-link voltage stabilization. It implements Maximum Power Point Tracking (MPPT) with a Perturb and Observe (P&amp;O) algorithm and a proportional-integral (PI) controller tuned using the Symmetric Optimum (SO) method with feed-forward for dynamic power quality management. This approach enhances power quality, mitigates harmonics, ensures efficient power flow, and improves system stability. The performance of the system was validated using MATLAB/Simulink simulations and real-time validation on an OPAL-RT OP4510 simulator platform. The results demonstrate compliance with the IEEE-519 standard for Total Harmonic Distortion (THD) and the potential for scalable grid-connected microgrids. The novelty of this study lies in the integration of multiple RES with an EV park comprising various battery types and the implementation of a coordinated control framework based on a feedforward-enhanced PI controller to enhance system performance and stability.</p>

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Coordinated control and harmonic mitigation in hybrid energy systems with electric vehicle park integration for enhanced power quality

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月19日

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  • Sumit Singh,
  • Puneet Chawla,
  • Balwinder Singh

摘要

The integration of intermittent renewable energy sources (RES) into grid-supported microgrids presents significant operational challenges, including power quality issues, harmonic distortion, and inefficient power flow. This study proposes a coordinated control strategy for a Hybrid Energy System (HES) integrated with an Electric Vehicle (EV) park to address these issues. The system incorporates solar photovoltaics (SPV), wind energy sources, an EV park with diverse battery types, and a coordinated control framework based on a feedforward-enhanced PI controller. The proposed solution utilizes grid-side and rotor-side converters for reactive power management and DC-link voltage stabilization. It implements Maximum Power Point Tracking (MPPT) with a Perturb and Observe (P&O) algorithm and a proportional-integral (PI) controller tuned using the Symmetric Optimum (SO) method with feed-forward for dynamic power quality management. This approach enhances power quality, mitigates harmonics, ensures efficient power flow, and improves system stability. The performance of the system was validated using MATLAB/Simulink simulations and real-time validation on an OPAL-RT OP4510 simulator platform. The results demonstrate compliance with the IEEE-519 standard for Total Harmonic Distortion (THD) and the potential for scalable grid-connected microgrids. The novelty of this study lies in the integration of multiple RES with an EV park comprising various battery types and the implementation of a coordinated control framework based on a feedforward-enhanced PI controller to enhance system performance and stability.