通过四级直流/直流转换器设计实现超高电压增益
Preeti Sharma1, Sara Hasanpour2, Rajneesh Kumar1
1Department of Electrical and Electronics Engineering, BITS Pilani, Pilani Campus, Pilani, Rajasthan, 333031, India.
Scientific reports
|October 8, 2024
概括
本研究介绍了一种用于可再生能源的新型直流/直流转换器,使用合电感器和二次增压电路实现超高电压增益. 该设计尽量减少二极管应力和功率损失,提高能源系统的效率.
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:
- 可再生能源往往需要大量的电压转换来实现电网整合.
- 传统的直流/直流转换器在高效地实现超高电压增益方面存在局限性.
- 高压增益对于最大限度地从低压源中提取电力至关重要.
研究的目的:
- 为可再生能源应用引入一种新的直流/直流转换器拓.
- 为了实现超高电压增益,提高效率和降低组件应力.
- 为应对将低压可再生能源与高压系统集成的挑战.
主要方法:
- 连接电感器与二次增压电路和电压乘数电池的集成.
- 实施可再生片电路,以减轻开关上的电压压力.
- 操作原理,稳定状态行为和效率的详细理论分析.
- 使用250W,25V/400-V实验室原型进行实验验证.
主要成果:
- 通过拟议的拓学实现了超高电压增益.
- 证明了连续输入电流和共享基础,以简化系统集成.
- 减少开关设备的电压压力,并最大限度地减少二极管逆回收损失.
- 用一个功能原型验证了理论分析和性能.
结论:
- 拟议的直流/直流转换器拓有效地实现了可再生能源系统的超高电压增益.
- 该设计提供了显著的优势,包括降低组件压力,提高效率和简化集成.
- 这种新型转换器为可再生能源应用中高效的电力管理提供了一个有希望的解决方案.
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