研究目的
To present a novel strategy for output power control of a hybrid energy system, composed of renewable energy sources (wind and photovoltaic), a battery bank and a variable load, using switched systems strategy.
研究成果
The proposed adaptive control strategy effectively manages the hybrid energy system to meet the total power demand under various conditions, without requiring wind measurements. The use of a common Lyapunov function ensures stability under arbitrary switching. The simulation results demonstrate the system's capability to switch between different power sources efficiently, ensuring continuous power supply.
研究不足
The study focuses on simulation results without physical implementation. The performance under extreme environmental conditions or with different types of renewable sources and storage systems is not explored.
1：Experimental Design and Method Selection:
The hybrid energy system is modeled as a switched nonlinear system with unknown parameters. An adaptive control strategy is proposed to satisfy the total power demand under arbitrary switching.
2：Sample Selection and Data Sources:
The system includes wind and photovoltaic renewable sources, a battery bank, and a variable load. Wind speed, load current, radiation on PV panels, and temperature profiles are used as data sources.
3：List of Experimental Equipment and Materials:
Wind turbine, multipolar permanent-magnet synchronous generator (PMSG), rectifier, dc/dc converter, PV panels, half bridge buck dc/dc converter, battery bank.
4：Experimental Procedures and Operational Workflow:
The system operates in five modes based on the energy management strategy, switching between different power sources to meet the load demand.
5：Data Analysis Methods:
The performance of the proposed control strategy is evaluated through simulation, analyzing the system's ability to meet power demand under various conditions.
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