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Sizing of a standalone photovoltaic water pumping system using hybrid multi-criteria decision making methods

机译:使用混合多准则决策方法确定独立光伏水泵系统的大小

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Photovoltaic water pumping system (PVPS) is considered one of the most important and promising application of solar energy in remote and rural areas. The random nature of solar energy is one of the main obstacles that encounter the designer to design an effective PVPS. Thus, an optimal and effective sizing approach is essential to ensure satisfactory performance. In this paper, a technique for order performance by similarity to ideal solution (TOPSIS) method integrated with analytic hierarchy process (AHP) method is proposed to optimally size PVPS based on techno-economic aspects. The loss of load probability (LLP) and excess water volume are considered as technical criteria, whereas the life cycle cost (LCC) is represented as an economic criteria to size the system. The hybrid AHP-TOPSIS sorts the PVPS configurations from the best to worst based on predefined weights for each criteria. The optimal configuration is found 5 PV modules and 4 PV strings are connected in series and parallel, respectively with 79 m(3) as a maximum capacity of storage tank. The performance of system is tested based on the proposed optimal configuration over a year using hourly meteorological data. The results show that the proposed system offers high reliability throughout the year with LLP, LCC, and deficit water volume around 0.0004, 10524.9 USD, and 4.4629 m(3), respectively.
机译:光伏水泵系统(PVPS)被认为是偏远和农村地区最重要和最有希望的太阳能应用之一。太阳能的随机性是设计者设计有效PVPS的主要障碍之一。因此,最佳且有效的上浆方法对于确保令人满意的性能至关重要。本文提出了一种通过与理想解决方案(TOPSIS)相近的订单绩效技术与层次分析法(AHP)相集成的方法,基于技术经济方面的问题来优化PVPS的尺寸。负载损失概率(LLP)和多余的水量被视为技术标准,而生命周期成本(LCC)被表示为确定系统规模的经济标准。混合AHP-TOPSIS根据每个标准的预定义权重,将PVPS配置从最佳到最差进行排序。发现最佳配置是将5个PV模块和4个PV串串联和并联连接,最大储罐容量分别为79 m(3)。使用每小时的气象数据,根据一年中提出的最佳配置对系统的性能进行测试。结果表明,所提出的系统全年可提供高可靠性,LLP,LCC和亏水量分别约为0.0004、10524.9美元和4.4629 m(3)。

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