混合可再生电网中的频率调节:利用负载频率控制和氧化还原流电池的有效策略
Ahmed H A Elkasem1, Salah Kamel2, Mohamed Khamies3
1Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan, 81542, Egypt.
Scientific reports
|April 26, 2024
概括
这项研究引入了一种使用模糊PID控制和氧化还原流电池来稳定可再生能源电网的新方法. 该方法有效地管理电网频率,并减少来自可变能源的中断.
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:
- 将可再生能源 (RES) 整合到电网中会导致由于惯性损失和供需不匹配导致的不稳定.
- 保持电网稳定对于可靠的电力供应至关重要,特别是随着可再生能源透率的增加.
研究的目的:
- 提出一种增强的负载频率控制 (LFC) 策略,使用模糊的PID控制器和控制的氧化还原流电池 (CRFB).
- 为了减轻因可再生能源整合的不确定性引起的电网不稳定性.
- 使用鱼优化算法 (COA) 优化控制策略参数.
主要方法:
- 实施了基于PID的模糊的LFC策略,与CRFB结合.
- 使用鱼优化算法 (COA) 进行参数调整.
- 与传统控制器 (PID,FO-PID,FO-(PD-PI)) 相比进行了性能评估.
- 在各种场景下进行了广泛的测试,包括负载干扰,高 RES 透率和通信延迟.
- 在标准IEEE 39总线系统上验证了该方法.
主要成果:
- 拟议的模糊PID-T+CRFB策略在LFC中显著优于传统控制器.
- 该战略在多样化和具有挑战性的电网条件下尽量减少中断方面表现出有效性.
- 在IEEE 39总线系统上的验证证实了这种方法对具有高可再生能源透率的电力网络的效率.
结论:
- 集成的LFC和CRFB战略为提高电网稳定性提供了强大的解决方案.
- 这种方法有效地解决了整合大量可再生能源所带来的挑战.
- 这项研究验证了拟议的方法是适应可再生能源增长的现代电力系统的可靠工具.
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