对于模块化固态变压器的减少开关多个主动桥直流-直流转换器.
Saeid Khani1,2, Seyed Hossein Hosseini3,4, Mehran Sabahi5
1East Azarbaijan Electric Power Distribution Company, Tabriz, Iran. saeid_khani82@yahoo.com.
Scientific reports
|November 12, 2025
概括
一种新的减少开关多个主动桥 (RS-MAB) DC-DC转换器提高了固态变压器 (SST) 的效率和功率密度. 扩展三角电流模式 (TCM) 调制确保了软切换,以提高性能.
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:
- 固态变压器 (SST) 对现代电网至关重要.
- 现有的SST设计经常面临效率和功率密度方面的挑战.
- 减少组件数量是提高SST性能的关键.
研究的目的:
- 引入一种新的减少开关多重活性桥 (RS-MAB) DC-DC转换器拓.
- 提高模块化SSTs的效率和功率密度.
- 为了验证一个新的调制策略,以改善转换器的操作.
主要方法:
- 对RS-MAB转换器结构的理论分析.
- 扩展三角电流模式 (TCM) 调制的开发和应用.
- 数字模拟和实验室规模的实验验证.
主要成果:
- 该RS-MAB转换器大大减少了开关设备和高频变压器.
- 扩展的TCM调制使整个操作范围的软切换成为可能.
- 实验结果证实了拟议的RS-SQAB转换器和调制器的可行性和有效性.
结论:
- 拟议的RS-MAB直流-直流转换器是模块化SST的有效构建块.
- 扩展的TCM调制策略成功实现了软切换并提高了性能.
- 这项研究证实了一种有希望的方法,用于更高效和更紧的SST设计.
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