改进了基于MPPT算法的电压扫描算法,用于部分阴影传导下的光伏系统
Resat Celikel1, Musa Yilmaz2,3, Ahmet Gundogdu2
1Firat University, Technology Faculty, Department of Mechatronics, Elazig, Turkey.
Heliyon
|December 6, 2024
概括
本研究介绍了一种新的跳过电压算法,以增强在部分遮阳下的光伏系统中的最大功率点跟踪 (MPPT). 与现有算法相比,新方法显著提高了跟踪速度和效率.
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
- 电力电子 电力电子 电力电子
背景情况:
- 光伏 (PV) 系统需要高效的最大功率点跟踪 (MPPT) 算法,以实现最佳的能源采集.
- 传统的MPPT方法在部分阴影条件下与性能降低作斗争.
- 基于电压扫描的MPPT提供了更好的性能,但可以进一步优化速度.
研究的目的:
- 为提高MPPT速度引入和评估一种新的电压跳转算法.
- 在部分遮阳条件下提高MPPT算法的跟踪速度和效率.
- 在没有先前的光伏面板特征知识的情况下,动态计算跳过电压.
主要方法:
- 开发一个新的电压跳转算法,集成到电压扫描MPPT框架中.
- 在 MATLAB/Simulink 中实现和模拟光伏系统模型 (4 个系列面板,增压转换器).
- 对粒子优化 (PSO),古古搜索算法 (CSA) 和灰狼优化 (GWO) 的比较性能分析.
主要成果:
- 拟议的电压跳转算法在五种部分阴影场景中显示了高跟踪效率,从99.13%到99.61%不等.
- 实现了显著更快的跟踪速度,从0.2s到0.26s不等,超过了既定的优化算法.
- 通过模拟在各种部分阴影条件下验证的有效性.
结论:
- 新的电压跳转算法为部分阴影下的光伏系统在MPPT中提供了显著的进步.
- 拟议的方法提供了优越的跟踪速度和高效率,使其成为光伏能源优化的一个有希望的解决方案.
- 动态电压跳转消除了对预定义的光伏面板数据的需求,提高了适应性.
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