研究目的
Exploring the viability and annual performance of a solar plant combining a sodium receiver, PCM storage, and sCO2 power block to reduce the LCOE compared to conventional CST plants.
研究成果
The proposed solar power plant configuration is thermodynamically and economically viable, offering a reduction in LCOE compared to conventional CST plants. Future work includes optimization studies and exploring alternative system configurations to improve accuracy and performance.
研究不足
Higher heat losses at the receiver than expected, suggesting potential for system improvement through receiver size reduction or operating temperature adjustment.
1：Experimental Design and Method Selection:
A dynamic model of the solar plant was developed using the Modelica language to study its annual performance and economic assessment.
2：Sample Selection and Data Sources:
Weather data from Alice Springs, Australia, was used for simulations.
3：List of Experimental Equipment and Materials:
The system includes a heliostat field, sodium receiver, PCM storage (Na2CO3-NaCl), and sCO2 Brayton power block.
4：Experimental Procedures and Operational Workflow:
The model simulates the plant's operation under various conditions, including solar and storage modes.
5：Data Analysis Methods:
The model's output was analyzed to assess thermodynamic and economic viability, focusing on LCOE reduction.
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