研究目的
Investigating the integration of wind and solar photovoltaic (PV) generators into a unified distributed generation unit to maximize the benefits of renewable energy resources.
研究成果
The proposed hybrid wind and PV generation system using vector-controlled, grid-connected, back-to-back VSCs offers increased reliability and efficiency, independent MPPT for wind and PV power generation, superior regulation of the dc-link voltage under all operating conditions, simple system structure and controllers design, and the potential for fault-ride-through using existing protection schemes.
研究不足
The study focuses on the simulation-based evaluation of the proposed system. Real-world implementation challenges and environmental factors affecting wind and solar energy generation are not considered.
1:Experimental Design and Method Selection:
The study employs back-to-back voltage source converters (VSCs) as an energy processing interface for interconnecting a full-scale wind turbine and solar PV arrays to the utility-grid. A vector control strategy is used for the regulation of the power converters.
2:Sample Selection and Data Sources:
The system performance is evaluated using Matlab/Simulink platform through time-domain simulations.
3:List of Experimental Equipment and Materials:
The system includes a full-scale wind turbine (FSWT) with a permanent magnet synchronous generator (PMSG), a PV-UD190MF5 PV array, and back-to-back voltage source converters.
4:Experimental Procedures and Operational Workflow:
The machine-side converter achieves maximum power point tracking (MPPT) of the wind turbine, while the grid-side converter maximizes the PV power and injects the captured wind and PV-generated power into the utility-grid.
5:Data Analysis Methods:
The performance of the proposed hybrid wind-PV system is investigated under different operating conditions, including utility-grid faults, using time-domain simulations.
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