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首页> 外文期刊>Journal of electrical and computer engineering >Feasibility Study of PV-Wind-Fuel Cell Hybrid Power System for Electrification of a Rural Village in Ethiopia
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Feasibility Study of PV-Wind-Fuel Cell Hybrid Power System for Electrification of a Rural Village in Ethiopia

机译：光伏-风-燃料电池混合动力系统在埃塞俄比亚乡村电气化中的可行性研究

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摘要

As the energy consumption is increasing in an alarming rate and peoples and international communities are well aware of environmental protection, alternative (i.e., renewable and fuel cell based) distributed generation (DG) systems have attracted increased interest. Wind-based and photovoltaic- (PV-) based power generation are two of the most promising renewable energy technologies. Fuel cell (FC) systems also show great potential in DG applications due to their fast technological development and the merits they have, such as high efficiency, zero or low emissions (of pollutant gases), and flexible modular structure. In this work, the techno-economic feasibility study (using HOMER) of emission-free hybrid power system of solar, wind, and fuel cell power source unit for a given rural village in Ethiopia called Nifasso (latitude of 9°58'40"N and longitude of 39°50'3"E with an estimated population of 1059) that can meet the electricity demand in a sustainable manner has been studied. The main power for the hybrid system comes from the solar and wind energy while the fuel cell and rechargeable batteries are used as a secondary and primary energy back up units, respectively. We can say storage as primary and secondary based on the sequence of operation. Hence, when there is shortage, first the battery discharges to fulfill the load demand and if the battery reaches to its allowable minimum capacity, it will stop further discharging and the fuel cell will operate so as to convert the stored hydrogen into electricity. In the result, different feasible alternative solutions have been obtained with a narrow range of COE which are better than the previously studied PV-wind-Genset hybrid set ups.
机译：随着能源消耗以惊人的速度增加并且人民和国际社会充分意识到环境保护，替代的（即基于可再生和燃料电池的）分布式发电（DG）系统引起了越来越多的关注。风能和光伏发电是最有前途的可再生能源技术中的两种。燃料电池（FC）系统由于其快速的技术发展和自身的优点，例如高效，零排放或低排放（污染物气体）以及灵活的模块化结构，在DG应用中也显示出巨大的潜力。在这项工作中，针对埃塞俄比亚一个名为Nifasso的特定乡村的纬度为9°58'40 的埃塞俄比亚特定村庄的太阳能，风能和燃料电池电源单元的无排放混合动力系统的技术经济可行性研究（使用HOMER）。已经研究了可以持续满足电力需求的“北纬39°50'3 E”（估计人口为1059）。混合动力系统的主要动力来自太阳能和风能，而燃料电池和可充电电池分别用作二次能源和一次能源的后备单元。我们可以说根据操作顺序将存储分为主要存储和辅助存储。因此，当出现短缺时，首先将电池放电以满足负载需求，如果电池达到其允许的最小容量，它将停止进一步放电，并且燃料电池将运行以将存储的氢转化为电能。结果，在较窄的COE范围内获得了各种可行的替代解决方案，这些解决方案要优于先前研究的PV-wind-Genset混合动力装置。

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