研究目的
To describe the use of a matrix converter for PMSG based grid connected wind turbine systems and verify its operation and performance through simulation.
研究成果
The paper concludes that the matrix converter provides a controlled output voltage for variable wind speed without DC link elements, making it suitable for grid connected WECS. Simulation results confirm its capability to operate well under transients.
研究不足
The study is based on simulation results, which may not fully capture all real-world operational challenges. The model's rated power is 8.5kW, limiting its direct applicability to larger scale systems without further validation.
1：Experimental Design and Method Selection:
The study uses a simulation model developed in MATLAB/Simulink environment to evaluate the performance of a matrix converter in a wind energy conversion system. The model includes a wind turbine, a PMSG, and a 3-phase matrix converter.
2：Sample Selection and Data Sources:
The simulation model is designed for a rated power of 8.5kW, suitable for smaller scale wind turbines, with wind velocities varying from 3m/s to 12m/s.
3：5kW, suitable for smaller scale wind turbines, with wind velocities varying from 3m/s to 12m/s.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: The model uses ideal switches for the matrix converter, with a switching frequency of 6kHz and a discretization time step of 2μs.
4：Experimental Procedures and Operational Workflow:
The system's performance is evaluated under varying wind velocities, with step changes applied to observe the dynamic response of the matrix converter.
5：Data Analysis Methods:
The simulation results are analyzed to verify the matrix converter's capability to operate well under transients and its suitability for grid connected WECS.
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