一种新的高收益隔离类Z源直流-直流转换器,具有自平衡双极输出
Sobhan Heidarbozorg1, Hamid Radmanesh2
1Department of Electrical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, 15916, Iran.
Scientific reports
|November 20, 2025
概括
本研究介绍了一种用于可再生能源系统的新型高收益隔离类Z源直流-直流转换器. 转换器实现了18的电压增益,效率为92.98%,提供稳定的双极输出电压.
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:
- 传统的直流-直流转换器在有效地实现高压增益方面面临着挑战.
- 可再生能源系统需要稳定和连续的功率转换解决方案.
- 双极直流微电网需要具有对称和自我平衡输出电压的转换器.
研究的目的:
- 引入一个具有单一电源开关的高收益隔离类Z源直流直流转换器.
- 使用变压器转向比率来实现大幅增加电压.
- 为了确保微电网的连续输入电流和双极对称输出电压.
主要方法:
- 拟议的转换器拓学的理论分析.
- 为了验证,使用 MATLAB 同步链模拟.
- 使用315W原型进行实验验证.
主要成果:
- 实现了18的高电压增益,效率为92.98%.
- 证明了稳定的双极输出电压,具有自平衡能力.
- 经过验证的连续输入电流和降低的半导体电压应力.
结论:
- 拟议的转换器是下一代可再生能源应用的高性能解决方案.
- 它的独特特征在现有拓上提供了优势.
- 动态分析证实了出色的稳定性,增强率为14.4dB,相距为93.9度.
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