多目的合作控制器设计,用于船舶直流微电网中的快速充电状态平衡和灵活的总线电压调节
Yancheng Liu1, Yuji Zeng1, Qinjin Zhang1
1Marine Engineering College, Dalian Maritime University, Dalian 116026, People's Republic of China.
ISA transactions
|January 14, 2024
概括
本研究介绍了船上直流微电网的多目标合作控制器,使快速的充电状态平衡和电池存储单元之间的高效电流共享成为可能. 控制器提高了系统稳定性,并减少了海洋动力系统的通信需求.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 可再生能源系统可再生能源系统
背景情况:
- 船舶直流微电网需要对电池存储单元 (BSU) 进行高级控制.
- 现有的二级控制器往往缺乏同时管理充电状态 (SoC) 平衡,电流共享和电压调节的能力.
- 分布式控制策略对于提高稳定性和减少通信开销至关重要.
研究的目的:
- 为船上DC微电网中的平行BSU设计一个多目标合作 (MOC) 控制器.
- 为了实现 SoC 快速平衡,比例负载电流分配和灵活的直流总线电压调节.
- 实现完全分布式的控制方法,没有多个控制器.
主要方法:
- 基于平均共识算法的多目标合作 (MOC) 控制器的设计.
- 优化一个收因子来加速SoC平衡.
- 引入固定控制,用于灵活的直流总线电压调节.
- 对SoC平衡,当前共享,收,大信号稳定性和全球稳定状态表现的分析.
主要成果:
- 该MOC控制器同时实现SoC平衡,比例电流共享和分布式电压调节.
- 一个优化的收因子提高了SoC平衡速度.
- 固定控制提供灵活和准确的直流总线电压调节.
- 分析验证证实了控制器的合理性和稳定性.
结论:
- 开发的MOC控制器有效地解决了船上DC微电网中的多个控制目标.
- 控制器的分布性降低了通信负担,并提高了系统的稳定性.
- 模拟和硬件在循环中的实验验证控制器的有效性和稳定性.
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