The full use of renewable energy sources such as solar energy to meet the various energy supply needs of buildings is now a research focus and an industry development trend, as energy consumption has been increasing and environmental pollution has become a serious problem. In the high-cold and high-altitude area in western China, due to the abundant solar energy and hydropower resources, the use of electric auxiliary cross-season solar heat storage heating system (CSHSHS) is an effective way to achieve clean heating. In this article, the authors applied a CSHSHS in a typical town in the Sichuan West Plateau and analysed and compared three operation strategies: heating storage priority control mode; electro-thermally assisted priority control mode and hybrid control mode. The results show that the heat storage priority control mode would require a large installed capacity of electrical auxiliary heat. The power consumption of the electro-thermally assisted priority control mode is high. The hybrid control mode can effectively reduce the installed capacity of the electrical auxiliary heat and the power consumption in the heating season. The solar fraction of the hybrid control mode was 38.29%, which has an obvious advantage. The results are of great engineering significance for optimizing the operation strategy of CSHSHS.

中文翻译：

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高寒高海拔地区跨季节太阳能蓄热供暖系统运行策略

随着能源消耗的不断增加，环境污染问题日益严重，充分利用太阳能等可再生能源来满足建筑的各种能源供应需求，已成为当前的研究热点和行业发展趋势。在我国西部高寒高海拔地区，由于太阳能和水电资源丰富，采用电辅助跨季节太阳能蓄热供暖系统（CSHSHS）是实现清洁供暖的有效途径。在本文中，作者在川西高原典型城镇应用了冷暖空调系统，对三种运行策略进行了分析比较：热库优先控制模式；电热辅助优先控制模式和混合控制模式。结果表明，蓄热优先控制方式需要较大的电辅助热装机容量。电热辅助优先控制模式功耗高。混合控制方式可有效降低电辅热装机容量和采暖季用电量。混合控制模式的太阳能占比为38.29%，优势明显。研究结果对优化CSHSHS的运营策略具有重要的工程意义。混合控制模式的太阳能占比为38.29%，优势明显。研究结果对优化CSHSHS的运营策略具有重要的工程意义。混合控制模式的太阳能占比为38.29%，优势明显。研究结果对优化CSHSHS的运营策略具有重要的工程意义。