基于孤岛生态环境的供水方案设计及优化

The Design and Optimization of Water Supply of the Island Based on Ecological Environment

为解决海岛的缺水问题,设计了一种利用新能源发电来驱动海水淡化的方案,并建立了新能源发电系统的数学模型和优化模型。优化模型以最小发电成本为优化目标,失负荷率和蓄电池的荷电状态为约束条件,光伏电池的功率、风力发电机的数量、蓄电池的容量等为优化变量,对方案的经济指标和技术指标进行优化。选取实例进一步设计说明,实例中利用Homer软件分别模拟优化独立风能发电系统、独立光伏发电系统和风光混合发电系统,求解优化方案。通过对优化方案分析,计算出海水淡化装置每月的日均产水量。新能源与反渗透海水淡化装置耦合,具有经济性、环保性和独立性。

To solve the water shortage problem of the Sea island, this paper designed a seawater desalination project driven by the new energy and established the mathematical model and the optimization model. In order to optimize the economical efficiency and technical index, the optimization model set up the minimum cost as the optimization goal and the loss of load probability and state of charge of the battery as constraint condition and the capacity of the power ofphotovoltaic cells, the number of wind generator, the capacity of the battery as optimization variables. For detailed instructions, this paper adopted HOMER softwcare to optimize the capacity of the independent wind power system, the independent PV power system and the wind/solar hybrid power system and determined the best project in the case. Finally, with analyzing of the best solution, this paper calculated a daily seawater desalination capacity of producing water per month means. The seawater desalination project driven by the new energy is economic, environmental and independent.