一个新的无合感应器双向直流-直流转换器,两侧都有低电流波纹
Saeid Sharifi1, Majid Delshad2
1Department of Electrical Engineering, Isf.C, Islamic Azad University, Isfahan, Iran.
Scientific reports
|November 25, 2025
概括
本研究介绍了一种具有增强电压增益和低电流波动的新型双向转换器,非常适合光伏和燃料电池应用等可再生能源系统. 它的简化控制和高效率为传统设计提供了显著的优势.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 可再生能源系统可再生能源系统
背景情况:
- 传统的双向转换器经常面临电压增益和电流波动的局限性.
- 光伏和燃料电池应用需要高效的功率转换,稳定的电压和最小的波纹.
研究的目的:
- 提出和分析一种具有优越电压增益和低电流波动的新型双向转换器.
- 为了证明转换器适用于光伏和燃料电池能源系统的适用性.
- 通过创新的开关方案简化控制电路.
主要方法:
- 双向转换器在升级和降级操作模式中的理论分析.
- 为两种模式开发一个简化的单一脉冲宽度调制 (PWM) 控制信号.
- 使用400W原型的实验验证.
主要成果:
- 与传统设计相比,拟议的转换器实现了优越的电压增益.
- 在输入和输出两侧保持低电流波纹.
- 96.3%的峰值效率被实验验证.
结论:
- 新型双向转换器为可再生能源应用提供了更高的性能.
- 简化的控制策略和紧的设计 (消除合电感器) 是显著的优势.
- 实验结果证实了理论预测和转换器的实际可行性.
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