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用WCO-P&O MPPT控制器为光伏应用的先进三相转换器的实验设计和分析

K Krishnaram¹, S Sivamani², Zuhair Alaas³

¹Department of Electrical and Electronics Engineering, E.G.S. Pillay Engineering College, Nagapattinam, Tamil Nadu, 611002, India. krishnaramkresearch@gmail.com.

Scientific reports

|May 14, 2024

概括

本研究介绍了面临部分阴影的光伏 (PV) 系统的混合最大功率点跟踪 (MPPT) 技术. 水循环优化 - 和观察 (WCO-PO) 方法在效率和速度方面表现出卓越的性能.

科学领域:

可再生能源系统可再生能源系统
电气工程电气工程
控制系统控制系统

背景情况:

光伏 (PV) 系统对于清洁能源至关重要,但在部分遮阳下性能降低.
部分遮阳会产生多个功率峰值,使最大功率点跟踪 (MPPT) 变得复杂.
在这些条件下,传统的MPPT算法难以有效地找到全球最大功率点 (GMPP).

研究的目的:

开发和评估先进的混合MPPT技术,以提高部分遮阳下的光伏系统性能.
将拟议的混合MPPT与传统方法的有效性进行比较.
分析跟踪效率,结算时间和转换效率.

主要方法:

实施了三种混合MPPT技术:水循环优化 - 扰动和观察 (WCO-PO),人工神经网络支持的可适应阶段缩放的扰动和观察 (ANN-ASSPO),以及灰狼优化修改的快速终端滑动模式控制器 (GWO-MFTSMC).
与两种传统的MPPT技术进行比较:水循环优化 (WCO) 和扰乱和观察 (P&O).
使用了带有三相系统和MATLAB/Simulink的交联增压转换器,用于在不同气候条件下进行性能分析.

主要成果:

WCO-PO混合MPPT技术实现了最高的转换效率 (99.56%) 和最快的结算时间 (1.4 ms).
在模拟不断变化的气候条件的四个不同案例中评估了性能.
与传统方法相比,所有拟议的混合MPPT在输出电压,电流和提取功率方面都显示出更好的性能.

结论:

混合MPPT技术为在部分遮阳条件下运行的光伏系统提供了显著的改进.
混合MPPT策略在克服多个功率峰值带来的挑战方面是有效的.
拟议的WCO-PO方法为最大限度地提高光伏能源产量和系统效率提供了强大的解决方案.

关键词:

安娜·阿斯波 (ANN-ASSPO) 是一个在GWO-FTSMC中,GWO-FTSMC是GWO-FTSMC的成员之一.交叉式增压转换器交叉式增压转换器最大功率点跟踪 (MPPT) 是指最大功率点的跟踪.世界机械组织和P&O P&O 在WCO-PO中,WCO-PO是WCO-PO的副总裁.

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