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Techno-economic analysis of a standalone solar PV with groundwater pumped-hydro-storage system

机译：带地下水抽水蓄能系统的独立太阳能光伏发电的技术经济分析

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South Africa is highly relying on the agricultural sector for market strengthening. Most farms are located in remote areas. This makes it difficult for farmers to receive quality water and reliable power supply. Supplying water through municipal pipelines is a reliable option. However, it comes with techno-economic challenges such as distance and the nature of the terrain. Therefore, pumping ground water has been a preferred option for farmers. This is due to the ease of water access when needed and can be pumped near the point of use. This paper determines the optimal size of the proposed standalone solar Photovoltaic (PV) with underground pumped-hydro storage (UPHS) system, supplying a typical farming load demand through open wells (boreholes). The hybrid optimization model for electric renewable (HOMER) software has been used during simulation. The optimal configuration results have proved that the proposed system can meet the farming load demand at an incurred cost of ZAR2.32 per kWh.
机译：南非高度依赖于农业部门的市场加强部门。大多数农场都位于偏远地区。这使得农民难以获得优质的水和可靠的电源。通过市政管道供水是可靠的选择。然而，它伴随着技术的经济挑战，如距离和地形的性质。因此，泵送地水是农民的首选选择。这是由于在需要时易于进入，并且可以在使用点附近泵送。本文用地下泵送 - 水储存（UPHS）系统确定了所提出的独立太阳能光伏（PV）的最佳尺寸，通过开放井（钻孔）提供典型的农业负荷需求。在仿真期间使用了电动可再生（HOMER）软件的混合优化模型。已经证明，所提出的系统可以以每千瓦时的ZAR2.32的成本满足农业负荷需求。

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