为基于GaN的多重功率转换器设计和实施综合控制方案
Chao-Tsung Ma1, Bing-Hong Yao1
1Applied Power Electronics Systems Research Group, Department of EE, CEECS, National United University, Miaoli City 36063, Taiwan.
Micromachines
|July 8, 2023
概括
本研究介绍了可再生能源系统中基于化 (GaN) 的功率转换器的综合控制方案. 这种新的方法使用单个数字信号处理器 (DSP) 来实现可靠,经济高效和多功能电源接口.
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:
- 全球能源格局需要强大的电网和新的能源产业,通过可再生能源 (RE) 基于分布式发电 (DG) 和智能微电网.
- 集成交流和直流电网的混合动力系统需要使用宽带间隙 (WBG) 半导体和复杂的控制策略的先进功率转换接口.
- 可再生能源发电的变化需要有效的储能,实时电流调节和智能控制,以促进GD和微电网系统.
研究的目的:
- 在连接到电网的可再生能源系统中研究多个基于化 (GaN) 的功率转换器的集成控制方案.
- 介绍第一个完整的设计案例,将三个基于GaN的功率转换器与多种控制功能集成到单个数字信号处理器 (DSP) 芯片上.
- 为了实现可靠,灵活,经济高效,多功能电源接口可再生能源发电.
主要方法:
- 开发了一个系统的协调控制方案,包括光伏 (PV) 生产,电池储能和连接到电网的逆变器.
- 实现了两种典型的操作模式和基于系统条件和电池充电状态 (SOC) 的高级功率控制功能.
- 为基于GaN的功率转换器和数字控制器设计和实施硬件,通过模拟和实验测试在1kVA系统上进行验证.
主要成果:
- 展示了一个完全数字化和协调的控制方案,用于管理多个基于GaN的转换器.
- 成功将三个不同的基于GaN的功率转换器集成到单个DSP芯片上.
- 通过对1kVA系统的模拟和实验验证,验证了控制方案和硬件的可行性和有效性.
结论:
- 拟议的综合控制方案为基于可再生能源的电力系统提供了可靠,灵活和具有成本效益的解决方案.
- 使用GaN功率转换器和统一的DSP控制平台可以提高功率接口的性能和多功能性.
- 该研究验证了智能微电网和可再生能源集成先进数字控制策略的实际实施和有效性.
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