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Trigeneration system driven by the geothermal and solar sources

机译：地热和太阳能驱动的Trigeoneration系统

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摘要

In this study, a novel trigeneration system is conceived to produce heat and electricity and to provide cooling for the health treatments and touristic facilities of a spa, based on the natural hot water and solar sources. The power generation components, individually considered, are commercially available ones, but their novel combination and the complex power flow management represented a challenge. The proposed system is composed of a low-temperature driven adsorption chiller, thermally activated by a low enthalpy geothermal source, and by hybrid photovoltaic/thermal panels. In this way, multiple objectives are achieved: produce electricity and thermal energy by renewable sources; optimise the use of different renewable sources (geothermal and solar); use the energy available for free from a geothermal source also during summer (otherwise wasted) to produce a cooling effect, and in so doing, avoiding the huge electricity consumption of conventional air conditioning units in summer; reduce the temperature of the fluids released to the environment (in a natural reserve); reduce the CO2 emissions by 45% with respect to the present configuration, limiting the global warming. The mathematical models were experimentally validated using a pilot plant built on purpose, and the performance of the whole system was analysed and discussed.
机译：在这项研究中，构思了一种新型的三合体系统，以产生热电和电力，并根据天然热水和太阳能来源为水疗的健康处理和旅游设施提供冷却。单独考虑的发电组件是商业上可获得的组件，但它们的新颖组合和复杂的电流管理代表了挑战。所提出的系统由低温驱动吸附冷却器组成，由低焓地热源热源，以及混合光伏/热面板。通过这种方式，实现了多种目标：通过可再生来源产生电力和热能;优化不同可再生能源（地热和太阳能）的使用;在夏季（否则浪费）中也可以使用可提供的能量免于地热源，以产生冷却效果，并在此过程中，避免夏季传统空调单位的巨大电力消耗;降低释放到环境的流体的温度（在天然储备中）;在目前的配置中，将CO2排放量减少45％，限制了全球变暖。使用目的内置的试验工厂进行实验验证数学模型，并分析并讨论了整个系统的性能。

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