Floating solar PV to reduce water evaporation in water stressed regions and powering water pumping: Case study Jordan
Floating solar PV to reduce water evaporation in water stressed regions and powering water pumping: Case study Jordan
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浮动太阳能光伏发电可减少缺水地区的水蒸发并为抽水提供动力：约旦案例研究
DOI：
10.1016/j.enconman.2022.115598
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发表时间：
2022
影响因子：
10.4
通讯作者：
Farrar L
中科院分区：
文献类型：
--
作者：
Farrar L
水资源对人类消费和粮食生产至关重要。水资源的开采和输送高度依赖能源。因此，水、能源和粮食安全密不可分，这一关系构成了一个重大的全球社会挑战。此外，在全球范围内，灌溉占淡水资源的70%左右，在发展中国家则高达90%。全球有超过3亿个饮用水和灌溉池塘，占世界灌溉水的90%。考虑到目前世界上三分之二以上的人口面临用水压力，有必要保护这些资源。因此，这项工作解决了这些资源的保护问题，解决了与能源和水有关的两个重要问题，从而解决了联合国可持续发展目标的要素。其考虑的方法是使用在灌溉水库上实施的浮动太阳能光伏（FPV）技术，通过减少蒸发损失来节约用水，同时以提高的产量提供可持续的电力，可在当地使用。在这项研究中，我们选择了约旦的一个干旱和水资源紧张的地区，那里有真实的水和能源消耗数据。各种浮动光伏（FPV）系统配置的模拟安装在灌溉水库，目前没有FPV存在。一个固定的倾斜300千瓦FPV系统被认为是最佳的设计节水，能源产量，经济性，并减少CO2排放量。与地面安装的PV和带有跟踪和/或主动冷却的FPV相比，标准浮动PV被认为是首选。推荐设计的系统投资回收期为8.4年，年温室气体减排量为141 TCO 2。对于所考虑的场地，与未覆盖的水库相比，每年可节省约12，700 m3的水，或节省42%。这项研究对非洲、中东和印度次大陆等其他干旱地区具有更广泛的适用性。
Water resources are essential for human consumption and food production. The extraction and delivery of water resources are highly dependent on energy. Hence water, energy and food security are inextricably linked, and this nexus constitutes a major global societal challenge. Furthermore, globally, irrigation constitutes around 70% of our freshwater resources, rising to 90% in developing countries. There are over 300 million drinking water and irrigation ponds globally where 90% of the world’s standing irrigation water resides. There is a need to conserve such resources, considering more than two thirds of the world’s population are currently experiencing water stress. Hence, this work tackles the conservation of such resources addressing two important issues related to energy and water, thereby addressing elements of the UN Sustainable Development Goals. Its considered approach is the use of floating solar photovoltaic (FPV) technology implemented on irrigation reservoirs to conserve water by reducing evaporation losses whilst providing sustainable electricity at enhanced yield that can be utilised locally. For the study, we selected an arid and water stressed region of Jordan where real-world water and energy consumption data were available. Various floating PV (FPV) system configurations were modelled for installation on an irrigation reservoir where currently no FPV exists. A fixed tilt 300 kWp FPV system was found to be the optimum design in terms of water savings, energy yield, economics, and reductions in CO2emissions. Standard floating PV was deemed the preferred option compared to ground-mounted PV and FPV with tracking and/or active cooling. System payback period for the recommended design was 8.4 years with an annual greenhouse gas emission reduction of ∼ 141TCO2. For the considered site, around 12,700 m3of water can be saved annually or 42% savings when compared to the uncovered reservoir. This research has wider applicability to other arid regions such as Africa, Middle East, and the Indian Subcontinent.
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Lecture Notes in Civil Engineering
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