Economic Analysis of Stand-Alone Hybrid Wind/PV/Diesel Water Pumping System: A Case Study in Egypt

Modeling, Simulation and Optimization of Wind Farms and Hybrid Systems Pub Date : 2020-03-25 DOI:10.5772/intechopen.89161

Nagwa M. Khattab, Mervat A. Badr, Essam Tawfik El Shenawy, H. Sharawy, Marwa S. Shalaby

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引用次数: 2

Abstract

The design and evaluation of a stand-alone hybrid renewable energy system for pumping underground water for small farm irrigation is presented. Given environmental conditions, system specifications and daily load demand data, the optimal size of main system components is obtained using a sizing algorithm. Different renewable energy systems are compared using yearly simulations, on hourly base via specialized commercial software simulation packages PVSYST and HOMER, to simulate the system performance and to reach the optimum configurations based on the objective criteria. The criteria used in economic optimization are the net present cost and the cost of energy, with the percent of the capacity shortage. The following systems can be compared: PV only, PV with horizontal axis wind turbine, PV with vertical axis wind turbine, and PV with horizontal axis wind turbine and diesel generator and diesel generator only. The simulation also was carried out for different load patterns for optimum operation. The study was illustrated for climatic conditions of an isolated area in El-Tour City, Sinai, Egypt. The installed 3.42 kW PV water pumping system for irrigation purposes in the same site was also described.

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独立混合风/光伏/柴油抽水系统的经济分析:以埃及为例

介绍了一种小型农田灌溉用独立混合可再生能源抽水系统的设计与评价。在给定环境条件、系统规格和日负荷需求数据的情况下，采用定尺寸算法得到系统主要部件的最优尺寸。不同的可再生能源系统使用年度模拟，每小时通过专门的商业软件模拟软件包PVSYST和HOMER进行比较，以模拟系统性能并根据客观标准达到最佳配置。在经济优化中使用的标准是净当前成本和能源成本，以及容量短缺的百分比。可以对以下系统进行比较:仅光伏、光伏带水平轴风力发电机、光伏带垂直轴风力发电机、光伏带水平轴风力发电机和仅柴油发电机。并对不同的负荷模式进行了仿真，以达到最优运行。该研究以埃及西奈半岛El-Tour市一个孤立地区的气候条件为例。还介绍了在同一地点安装的3.42 kW光伏灌溉抽水系统。

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