Modeling and Control of Wind Energy Conversion System with Battery Energy Storage for Power Regulation

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Chinese explanation / 中文解读

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Original abstract

The integration of renewable energy sources into modern power systems has become essential to meet growing energy demands while reducing environmental impacts. Among various renewable resources, wind energy offers significant potential; however, its variable and unpredictable nature creates challenges in maintaining a stable power supply. To address these issues, this paper proposes a Wind Energy Conversion System (WECS) integrated with a Battery Energy Storage System (BESS) for effective power regulation and improved system reliability. The proposed configuration consists of a wind turbine, self-excited induction generator, power electronic conversion stages, and a battery storage unit operating under coordinated control. An optimum tip speed ratio-based Maximum Power Point Tracking (MPPT) strategy is employed to maximize energy extraction from the available wind resource, while pitch angle control is incorporated to ensure safe turbine operation under high wind conditions. A PI-based control scheme is implemented to maintain DC-link voltage stability and facilitate efficient power management. The complete system is developed and analyzed using MATLAB/Simulink under varying wind speed conditions. Simulation results indicate that the proposed approach effectively smooths power fluctuations, maintains voltage regulation, and supports continuous energy delivery through controlled battery charging and discharging operations. The study demonstrates that integrating battery storage with wind energy systems significantly enhances operational stability, power quality, and overall energy utilization efficiency

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