基于FOPDT模型和CHR方法控制飞轮储能集成微电网
T Varshney1, A V Waghmare2, V P Meena3,4
1Department of EECE, Sharda University, Greater Noida, UP, 201310, India.
Scientific reports
|September 16, 2024
概括
本研究设计了一种比例积分导数 (PID) 控制器,以稳定可再生能源的岛屿微电网中的频率. 使用Chien-Hrones-Reswick (CHR) 方法调整的PID控制器有效地管理负载干扰并保持系统稳定性.
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:
- 岛屿微电网由于波动负载和分布式发电机组 (DGU) 而面临频率不稳定.
- 保持频率稳定对于可靠运行至关重要,特别是在可再生能源驱动的微电网中.
- 现有的控制策略经常与这些系统的动态性质作斗争.
研究的目的:
- 设计和验证一个比例积分导数 (PID) 控制器,以提高岛屿微电网的频率稳定性.
- 研究在微电网应用中用于PID控制器的Chien-Hrones-Reswick (CHR) 调方法的有效性.
- 为了证明控制器在处理负载干扰和设置点跟踪方面的性能.
主要方法:
- 开发了一个线性传输函数模型的岛屿微电网,包括DGUs和飞轮能量存储系统 (FESS).
- 该模型与PID控制器设计的第一顺序加时延迟 (FOPTD) 形式相近.
- 使用CHR方法调整PID控制器参数,优化设定点跟踪和负载干扰排斥的0%和20%超标.
主要成果:
- 该CHR方法,特别是负载干扰排斥20%超越,证明优于其他调方法.
- 实时模拟和频率分析证实了拟议的PID控制器在稳定微电网频率方面的有效性.
- 短暂的反应表明控制器能够在不同的条件下减轻振荡.
结论:
- 通过CHR方法调整的拟议PID控制策略,为岛屿微电网的频率稳定提供了强大的解决方案.
- FOPTD近似和CHR调整为微电网中的PID控制器设计提供了一种高效和可分析的方法.
- 经过验证的方法提高了基于可再生能源的岛屿微电网系统的可靠性和性能.
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