平行直流-直流转换器的电流共享和电压调节:切换控制方法
Behzad Sinafar1, Mohammad Ali Badamchizadeh1, Hamed Kharrati1
1Faculty of Electrical and Computer Engineering, University of Tabriz, Iran.
ISA transactions
|June 9, 2023
概括
本研究引入了用于并行直流-直流转换器的新型分布式控制框架,有效地解电压调节和电流共享,以提高性能. 新方法确保了系统的稳定性,并通过模拟和实验进行验证.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 电力电子 电力电子 电力电子
背景情况:
- 平行直流-直流转换器对于高功率应用至关重要.
- 在这些系统中实现同时调节电压和共享电流,带来了重大的控制挑战.
- 现有的方法往往难以有效地脱离这两个目标.
研究的目的:
- 为平行直流-直流转换器开发一个新的分布式开关控制框架.
- 解决电压调节和电流共享作为脱控制问题.
- 为了确保系统错误信号的非对称稳定性.
主要方法:
- 该框架将系统建模为一个级联交换的亲系系统.
- 使用分布式微投影切换技术来生成控制信号.
- 采用基于中继控制原则的稳定性分析.
主要成果:
- 提出的分布式控制策略成功实现了电压调节和电流共享.
- 稳定性分析证实了错误信号的非对称稳定性.
- 模拟和实验结果验证了控制框架的有效性.
结论:
- 新的分布式开关控制框架为并行直流-直流转换器提供了有效的解决方案.
- 分离电压调节和电流共享简化了控制设计,提高了性能.
- 经过验证的方法为功率电子控制系统提供了可靠的方法.
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