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Techno-economic evaluation of a grid-connected microgrid system

机译：技术经济评估网格连接的微电网系统

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The availability of solar resources has led to the utilization of photovoltaic (PV) system for the generation of a clean electricity and reduction of greenhouse gas (GHG) emissions. The techno-economic assessment of a medium scale microgrid system is investigated in this work by utilizing some key performance indicators (KPIs). These KPIs are used as the benchmarks to study the economic impacts of PV in the grid-connected power system for 10 selected locations across the nine provinces of South Africa. The HOMER package is utilized in the study to obtain viable solutions that will mitigate the undesirable technical and economic issues that come up during the grid integration. The research work is carried out by utilizing the surface meteorology and solar energy data provided by the National Aeronautics and Space Administration (NASA) for assessment of the proposed microgrid system. The outcomes of the study show that the annual average daily radiation varies from 4.3 kWh/m2/day in Durban to 5.749617 kWh/m2/day in De Aar. It is deduced from the work that De Aar is the most feasible location among the 10 selected sites for the installation of PV in terms of cost of energy (COE), net present cost (NPC), net energy purchased, energy purchased, energy sold, energy charge, annual utility bill savings and revenue with the following values: 0.181 R/kWh, R 219244.90, 3676 kWh, 32979 kWh, 29303 kWh, R7942.9891, R62473.0109, and R22759.6401. The outcomes of the research work indicate that exploitation of solar resources is an efficient means of accomplishing sustainable energy development.
机译：太阳能资源的可用性导致了利用光伏（PV）系统，用于产生清洁电力和减少温室气体（GHG）排放。通过利用一些关键绩效指标（KPI）在这项工作中调查了中等规模微电网系统的技术经济评估。这些KPI被用作研究PV在网格连接电力系统中的经济影响的基准，以跨南非九个省的10个选定的地点。在研究中使用本垒打包，以获得可行的解决方案，以减轻网格集成期间提出的不良技术和经济问题。通过利用国家航空航天局（NASA）提供的表面气象和太阳能数据来进行研究工作，以评估所提出的微电网系统。该研究的结果表明，年平均日常辐射在德班的4.3千瓦时/平方米，达5.749617千瓦时/德阿瓦尔的天。它推导出DE AAR是在能源成本（COE），净价值（NPC），购买的净能源，购买的能源，所售出的能源所在地最有可行的地点中最可行的位置中最可行的位置。 ，能源费，年度公用事业票据储蓄和收入下列值：0.181千/千瓦，R 219244.90,3676千瓦时，32979千瓦，29303千瓦时，R7942.9891，R62473.0109和R22759.6401。研究工作的结果表明，利用太阳能资源是实现可持续能源发展的有效手段。

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