先进的主动干扰排斥控制用于提高与虚拟惯性应用相关的低惯性电网的频率稳定性
Mohamed Khamies1, Khairy Sayed1,2, Omar Alrumayh3
1Department of Electrical Engineering, Faculty of Engineering, Sohag University, Sohag, 82524, Egypt.
Heliyon
|March 4, 2025
概括
基于逆变器的发电机的微电网面临频率不稳定. 本研究引入了一种带插电式电动汽车 (PEV) 的渐进型虚拟惯性控制器 (VIC),以提高微电网的频率稳定性.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 控制系统 控制系统
背景情况:
- 微电网 (MGs) 通常使用基于逆变器的发电机,这些发电机缺乏自然惯性,导致频率不稳定.
- 增加可再生能源的透率加剧了MGs的频率监管挑战.
研究的目的:
- 开发和评估与电池储能系统集成的先进虚拟惯性控制器 (VIC).
- 调查控制式插电式电动汽车 (PEV) 作为分布式能源存储的使用,以加强MGs的频率调节.
- 为了提高微电网的频率稳定性和减轻不稳定性风险.
主要方法:
- 该研究提出了一种具有缓冲和虚拟惯性控制环的渐进式VIC.
- 控制式插电式电动汽车 (PEV) 用于提供额外的频率调节服务.
- 使用主动干扰拒绝控制器 (ADRC),使用电动捕食优化 (EEFO) 技术优化参数.
主要成果:
- 提出的先进VIC和PEV方法显著提高了微电网的稳定性.
- 活动干扰拒绝控制器 (ADRC) 在保持频率稳定方面表现优于传统控制器 (PID,FO-PID,TID,模糊PID).
- 在各种操作条件和干扰下进行的模拟验证了拟议的控制策略的有效性.
结论:
- 增强型VIC与PEV的集成为微电网频率稳定提供了强大的解决方案.
- 这种创新方法有效地解决了基于逆变器的发电机和可再生能源集成所带来的挑战.
- 这些发现为未来的微电网设计提供了可行的策略,提高了可靠性并降低了频率偏差的风险.
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