本文提出一种基于中低温太阳能与甲醇热化学互补的分布式冷热电供能系统.基于热力学基本定律,对系统作了能量平衡分析和`平衡分析,探讨了变太阳辐照下系统的热力性能和储气蓄能的变化特性规律.结果表明:设计工况下,系统的一次能源效率达89.36％,`效率达到47.10％,太阳直射辐照强度从500 W/m2变化到900 W/m2时,系统一次能源效率和冷、热、电功率输出保持稳定.本文的研究成果为高效利用中低温太阳能热化学技术与分布式冷热电能源系统集成技术提供了新途径.
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