基于合电感器的四个端口直流-直流转换器的拓合成,用于多输入光伏电池应用,具有自主模式选择
Sanal Kumar S1, Palanivel S2, Kamalesh Ms3
1Department of Electronics and Instrumentation Engineering, Annamalai University, Chidambaram, India. sanalkumars1978@gmail.com.
一个基于合电感器的新型四端口多端口转换器 (CI-FP-MPC) 有效地集成多个光伏源. 这种设计提高了电压增益和效率,同时确保可靠的可再生能源系统的顺利过渡.
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:
- 多端口转换器对于集成多种可再生能源至关重要.
- 当前的拓在处理各种输入时面临效率和电压增长方面的挑战.
- 像光伏 (PV) 阵列和电池这样的源的无集成需要先进的转换器设计.
研究的目的:
- 提出一种基于合电感器的新型四端口多端口转换器 (CI-FP-MPC),用于集成具有不同电压的多个光伏源.
- 通过使用合电感器和减少组件数量来提高电压增益和系统效率.
- 确保在动态负载条件下平稳的操作过渡和可靠的性能.
主要方法:
- 开发了一个CI-FP-MPC拓,它来自于传统的高增益增压转换器.
- 合电感器用于增加电压增益并减少电力电子元件的压力.
- 软切换技术 (ZVS和ZCS) 实现了高效的切换.
- 定义了两种操作模式 (TISO和DIDO),用于集成光伏源和电池.
- 使用dSPACE MicroLabBox的硬件在循环 (HIL) 模拟验证了控制逻辑和性能.
主要成果:
- 拟议的CI-FP-MPC拓显示了电压增加和整体效率的提高.
- 由于更少的组件,减少开关和传导损失有助于提高效率.
- 软切换技术确保在操作模式之间顺利过渡.
- 实验验证证证实了在负载扰动期间的强大性能.
- 750瓦的原型证实了转换器的实际应用.
结论:
- 新型CI-FP-MPC为集成具有不同电压的多个光伏源提供了可靠和高效的解决方案.
- 使用合电感器和软切换技术显著提高性能指标.
- 自主控制逻辑确保无模式转换,使其适合动态可再生能源应用.
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