一个基于太阳花优化改造的高阶段SEPIC转换器,用于电动汽车应用
B Karthikeyan1, V Shanmugasundaram2, R Palanisamy3
1Department of Robotics and Automation Engineering, PSG College of Technology, Coimbatore, 641004, India.
Scientific reports
|May 19, 2025
概括
本研究介绍了一种高升级改造的SEPIC转换器,配有太阳花优化 (SFO) 控制器,用于在动态条件下高效地提取太阳能. 它实现了95.63%的转换效率,非常适合混合动力电动汽车.
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:
- 太阳能光伏 (PV) 系统需要高效的功率转换,特别是在动态运行条件下.
- 从太阳能电池板中最大限度地提取电力对于能源效率至关重要.
- 混合动力电动汽车 (HEV) 可以从先进的功率管理解决方案中受益.
研究的目的:
- 为太阳能光伏最大功率点跟踪 (MPPT) 提出一个高升级修改的SEPIC转换器.
- 为动态条件开发基于太阳花优化 (SFO) 的 MPPT 控制器.
- 为了验证转换器在稳定状态,可变辐射量和可变负载下的性能.
主要方法:
- 设计和模拟用于100W,24V太阳能电池板的高升级修改SEPIC转换器.
- 实现太阳花优化 (SFO) 算法用于最大功率点跟踪.
- 使用MATLAB/Simulink的性能分析和实时实验原型的验证.
主要成果:
- 实现了7.92的最大电压转换比,产生了190V的输出电压.
- 达到95.63%的最大转换效率.
- 在稳定状态,可变太阳辐射和可变负载条件下证明有效运行.
结论:
- 提出的基于SFO的MPPT的高级改造SEPIC转换器对太阳能光伏发电有效.
- 转换器适用于多源供电的混合动力电动汽车应用.
- 模拟和实验结果证实了理论分析和设计.
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