通过创新的混合可再生能源系统加强埃塞俄比亚的发电分配,以实现可持续的可靠性和成本效益
Takele Ferede Agajie1,2, Armand Fopah-Lele3, Isaac Amoussou4
1Department of Electrical and Electronic Engineering, Faculty of Engineering and Technology, University of Buea, PO.Box. 63, Buea, Cameroon. takele_ferede@dmu.edu.et.
Scientific reports
|May 10, 2024
概括
这项研究提出了一个混合太阳能-生物气动力系统与储能,以减少埃塞俄比亚的能源.
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
- 优化技术 优化技术
背景情况:
- 埃塞俄比亚的Debre Markos网络每年面临800多个小时的停电.
- 非可再生能源的耗尽和对柴油发电机 (DGs) 的高度依赖加剧了电力短缺.
- 现有基础设施遭受了显著的功率损失和低于IEEE标准的电压偏差.
研究的目的:
- 设计和分析一个融合太阳能和沼气资源的混合发电系统.
- 为了提高可靠性,将超导磁储能系统 (SMES) 和水储能系统 (PHES) 纳入.
- 使用元启发算法优化系统的经济性,可靠性和环境性能.
主要方法:
- 向前/向后扫描负载流分析,以评估网络需求和性能.
- 太阳能,沼气,中小企业和PHES技术的整合.
- 应用元启发式优化技术,特别是鱼优化算法 (WOA) 和其自然选择变体 (NSWOA).
主要成果:
- 在降低能源成本 (COE),净当前成本 (NPC),电力供应概率损失 (LPSP) 和温室气体 (GHG) 排放方面,NSWOA表现出卓越的表现.
- 实现的最佳值:COE为0.0812 €/kWh,NPC为3.0017 × 10^6 €,LPSP为0.00875,以及7.3679 × 10^6 公斤的温室气体减排.
- 拟议系统的整合显著减少了总功率损失从470.78到18.54千瓦,电压偏差从6.95到0.35 p.u.
结论:
- 拟议的混合动力电力系统有效地解决了电力短缺问题,并改善了Debre Markos配电网的电压配置.
- 根据经济,可靠性和环境标准,NSWOA非常有效地优化混合可再生能源系统.
- 与现有的电网+DG和仅基于DG的场景相比,混合系统提供了一个更经济,更环保的替代方案.
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