研究目的
To present a power system configuration and control schemes for a Multi-MW wind-solar hybrid system to support a desalination plant, minimizing dependence on the utility grid.
研究成果
The paper concludes that the proposed hybrid wind-solar system configuration effectively supports a desalination plant with minimal grid dependence, capable of operating in both grid-connected and standalone modes. Simulation results validate the control schemes under various transient conditions, demonstrating reliable power supply and potential for reactive power support. Future work could focus on real-world implementation and economic analysis.
研究不足
The study is based on simulation models and may not account for all real-world variations and uncertainties. Practical implementation challenges, such as hardware limitations and environmental factors, are not fully addressed. The system assumes ideal conditions and may require further optimization for cost and efficiency in actual deployments.
1：Experimental Design and Method Selection:
The study involves simulation-based modeling and validation using PSCAD/EMTDC software for transient analysis. The system includes wind turbines with PMSG and back-to-back converters, solar PV panels with inverters, and a desalination plant load. Control schemes for maximum power point tracking and power balance are implemented.
2：Sample Selection and Data Sources:
The system is sized based on site wind and solar data, with three 2.1 MW wind turbines and a 3 MW solar PV system feeding a 1 MW desalination plant. Wind speed and solar irradiance variations are simulated to represent transient conditions.
3：1 MW wind turbines and a 3 MW solar PV system feeding a 1 MW desalination plant. Wind speed and solar irradiance variations are simulated to represent transient conditions.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: PSCAD/EMTDC software for simulation; wind turbines (e.g., Vestas V116-2.1MW); PMSG; back-to-back voltage source converters; solar panels; three-phase converters; transformers; resistors for excess power dissipation.
4：1MW); PMSG; back-to-back voltage source converters; solar panels; three-phase converters; transformers; resistors for excess power dissipation.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Simulations are conducted under various conditions, including changes in wind speed (e.g., from 9.5 m/s to 7.5 m/s) and solar irradiance (e.g., from 714 W/m2 to 0 W/m2), and transitions between grid-connected and standalone modes. Control loops for speed, current, and voltage are used to maintain system stability.
5：5 m/s to 5 m/s) and solar irradiance (e.g., from 714 W/m2 to 0 W/m2), and transitions between grid-connected and standalone modes. Control loops for speed, current, and voltage are used to maintain system stability.
Data Analysis Methods:
5. Data Analysis Methods: Results are analyzed through simulation outputs such as power, voltage, and current waveforms to validate control strategies and system performance under transient conditions.
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