使用实时模拟器对DC微电网中的等级控制进行实验调查
Xiaoran Dai1, Zhongcheng Lei2, Wenshan Hu1
1School of Electrical Engineering and Automation, Wuhan University.
Journal of visualized experiments : JoVE
|March 3, 2025
概括
这项研究开发并测试了DC微电网的层次控制系统,提高了稳定性和电力共享. 实验平台验证了可再生能源整合的先进控制策略.
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
- 控制系统 控制系统
背景情况:
- 微电网,特别是直流变体,对于集成可再生能源,如光伏电池板和电池存储至关重要.
- 有效的控制策略对于稳定的运行,电压调节和直流微电网中的比例电力共享至关重要.
研究的目的:
- 开发和实验验证直流微电网的层次控制策略.
- 评估初级降落和PI控制的性能,以及用于电压恢复和电力共享的二级基于共识的控制.
- 为了证明OPAL RT-Lab模拟和硬件实验平台对微电网研究的实用性.
主要方法:
- 在OPAL RT-Lab.中实施DC微电网模型,使用分布式能源资源 (DER) 和负载.
- 使用垂落和双循环比例整合 (PI) 控制器进行初级控制的应用,用于电压和电流调节.
- 利用基于共识的二次控制策略,用于DER协调,总线电压恢复和电力共享.
主要成果:
- 在开发的直流微电网中,对等级控制策略的成功实验验证.
- 证明稳定的运行和DER之间准确的比例功率分配.
- 证实二次控制在恢复总线电压方面的有效性,即使引入了延迟.
结论:
- 实施的层次控制有效地提高了直流微电网的可靠性和效率.
- 实验平台为推进微电网技术和控制策略提供了宝贵的见解.
- 这项研究强调了强大的实验设置对于验证复杂的微电网控制系统的重要性.
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