Abstract Modeling and simulation of a micro grid-connected solar PV system
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Modeling and simulation of a micro grid-connected solar PV system

机译:微型并网太阳能光伏系统的建模与仿真

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Abstract In 2012, the Ministry of Electricity and Renewable Energy (MERE); began promoting the system of ‘Feed-in Tariff’ in billing. The introduced system allows the user to generate electricity through solar panels mounted on the roofs of residential buildings and governmental organizations and tied to the grid. To benefit from MERE’s approach, the National Water Research Center (NWRC) (Qanatir, Egypt) set up a pilot rooftop 91kW PV system. All the generated electricity is fed into the 220V, 50Hz low voltage grid serving NWRC premises. In this manuscript a MATLAB Simulink model is constructed mimicking a detailed representation of the system tied either to the local low voltage grid or to the national high voltage grid. The aim of such modeling effort is to provide early evaluation of the system performance. The economical savings of both scenarios are compared based on the new billing system. Results show that the current system saves 100 thousand L.E./year, while tying the system to the national grid will save 235.8 thousand L.E./year.
机译: 摘要 2012年,电力和可再生能源部(MERE);开始推广计费中的“上网电价”系统。引入的系统允许用户通过安装在住宅建筑物和政府组织屋顶上并与电网连接的太阳能电池板发电。为了从MERE的方法中受益,国家水研究中心(NWRC)(埃及Qanatir)建立了试验性屋顶91 kW光伏系统。所有产生的电都馈入为NWRC房屋供电的220 V,50 Hz低压电网。在此手稿中,构建了MATLAB Simulink模型,以模仿与本地低压电网或国家高压电网相关的系统的详细表示。这种建模工作的目的是提供系统性能的早期评估。根据新的计费系统比较了两种方案的经济节省。结果表明,当前的系统每年可节省10万LE,而将系统与国家电网连接将每年节省23.58 LE。

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