一个关于最佳设计和技术经济分析的案例研究,该案例是关于一个岛屿交流微电网的技术经济分析
M S Elborlsy1, R M Mostafa1, Mohamed A Ghalib2
1Process Control Technology Department, Faculty of Technology and Education, Beni-Suef University, Beni-Suef, Egypt.
Scientific reports
|April 11, 2025
概括
这项研究使用HOMER软件优化了埃及一所学校的岛屿交流微电网. 拟议的模型参考适应控制 (MRAC-PI) 控制器增强了动态性能和稳定性,性能优于传统方法.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 控制系统 控制系统
背景情况:
- 岛屿交流微电网 (MGs) 对于向偏远地区供电至关重要,为经济和环境带来好处.
- 优化MG配置对于高效可靠地满足能源需求至关重要.
- 需要有效的控制策略,以确保在动态条件下稳定运行.
研究的目的:
- 为在埃及新开罗的一所国际学校优化岛屿交流微电网的配置.
- 为了评估优化微电网的动态性能,使用基于模型参考自适应控制的新型PI控制器 (MRAC-PI).
- 在各种操作场景下,将拟议的控制策略与传统控制器进行比较.
主要方法:
- 混合优化多种能源资源 (HOMER) 软件用于微电网组件尺寸.
- 优化工作的重点是尽量减少等级能源成本 (LCOE) 和总净当前成本 (TNPC).
- 基于模型参考适应控制的PI控制器 (MRAC-PI) 已开发并实施用于动态性能分析.
主要成果:
- 最佳配置包括一个200千瓦的光伏系统,180千瓦的风力轮机,50千瓦的FC,50千瓦的电解器,50千瓦的水箱,180千瓦的DG和一个686千瓦时的电池.
- 优化的微电网实现了0.153美元/千瓦时的LCOE和1,775,300.00.00美元的TNPC.
- 与PI-PSO和PI-WOA相比,MRAC-PI控制器表现出卓越的动态性能,保持了系统频率和电压稳定性,减少了超速和沉降时间.
结论:
- 该研究成功地优化了针对特定负载需求的岛屿交流微电网配置,实现了成本效益.
- 拟议的MRAC-PI控制器显著提高了微电网的动态稳定性和响应.
- 这项研究提供了可靠和高效的可再生能源集成在孤立的电力系统的可行模型.
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