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Assessment of Hydrokinetic Potential in the Umbeluzi Basin, Mozambique

机译:莫桑比克乌南盆地盆地盆地水力潜力评估

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Hydrokinetic turbines can play a pivotal role in providing electricity access to remote areas in Mozambique, as stand-alone isolated mini-grids. However, the suitable sites for application of Hydrokinetic Turbines throughout the country are not known, hence the need for this research. The study was done to evaluate electricity generation based on hydrokinetic turbines in the Umbeluzi basin. For this purpose, the following methods have been applied: 1) Frequency analysis using historical data of river stream velocity to generate velocity duration curves (VDC); 2) comparison of stream flow velocity to the design velocity of the hydrokinetic turbine and comparison of the rotor diameter of hydrokinetic turbine to the depth of the river to enable the evaluation of the feasibility of installation of the turbine in the basin. The results show that low flow velocities characterize the Umbeluzi River, hence no considerable potential sites for installations of hydrokinetic turbine. However, 444 W can be extracted in station 638 using dual axial turbine (Under Water Electric kit).
机译:水力涡轮机可以在为莫桑比克的偏远地区提供电力接入,作为独立隔离的迷你网格。然而,在全国内应用水动力学涡轮机的合适部位是不知道的,因此需要进行这项研究。完成了该研究以评估基于Umbeluzi盆地中的水力涡轮机的发电。为此目的,已经应用了以下方法:1)使用河流流速度的历史数据来产生速度持续时间曲线(VDC)的频率分析; 2)流动速度与水力学涡轮机设计速度的比较,以及水力涡轮机转子直径与河流深度的比较,使得盆地中涡轮机安装的可行性进行评估。结果表明,低流速表征了umbeluzi河,因此没有相当大的潜在地点,适用于水动力学涡轮机。然而,使用双轴涡轮机(在水电套件下)可以在站638中提取444W。

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