Djonou河水轮机发电(贝宁)

Mahouton Justine Carine Adjassa, G. Koto N’Gobi, H. Donnou, C. Kouchadé, B. Kounouhewa
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引用次数: 0

摘要

尽管农村地区具有水力潜力,但电力短缺正成为贝宁面临的挑战。迄今为止,分布在这个国家42个湖边村庄的近14万人生活在能源匮乏、不安全和贫困之中。为了克服这种情况,本研究因此对在低水期的实验基础上生产电能感兴趣,这要感谢阿基米德螺杆式涡轮机,该涡轮机在低流量和河上的落差高度下运行。约努位于贝宁南部,距离阿博米-卡拉维大学仅几公里。因此,确定了螺杆的几何和水力参数,并使用Autocard软件对该装置进行了建模。然后用当地的回收材料制作了一个原型,并在河上进行了测试。螺钉规格内半径为0.072 m,外半径为0.135 m。螺杆长度设定为0.46 m,叶片半径估计为0.137 m。螺旋叶片数为2,流速为0.049 $ m^{3}/s $。螺杆倾角为$25^{\circ}$。实验现场的装置产生16v的电压,提供约0.12 a的电流,可以为2w的灯供电。小规模生产的原型机的这种性能是贝宁国家水力网络最佳利用这项技术向人口提供电能的可靠指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generation of Electricity From a Hydraulic Turbine in the Djonou River (Benin)
The shortage of electricity in rural areas despite the hydraulic potential they possess is becoming a challenge for Benin. To date, nearly 140,000 people spread over the 42 lakeside villages of this country live in energy inaccessibility, insecurity and poverty. To overcome this situation, the present study is therefore interested in the production of electrical energy on an experimental basis in low water periods thanks to an Archimedean screw turbine which operates at low flow rates and height of fall on the river. Djonou located in southern Benin a few kilometers from the University of Abomey-Calavi. The geometrical and hydraulic parameters of the screw were therefore determined and the device was modeled using Autocard software. A prototype was then made with local recycled materials and tested on the river. The screw specifications indicate an inside and outside radius of 0.072 m and 0.135 m. The length of the screw was set at 0.46 m for a blade radius estimated at 0.137 m. The number of screw blades is equal to 2 with a flow rate of 0.049 $ m^{3}/s $. The inclination angle of the screw is $25^{\circ}$. The device on the experimental site produces a voltage of 16 V and provides a current of about 0.12 A which can power a 2 W lamp. This performance of the prototype made on a small scale is a reliable indicator of the optimal use of this technology in the national hydraulic network of Benin to supply populations with electrical energy.
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