新型电压调节控制器的最佳调节,考虑到自动电压调节系统的真实模型
Mihailo Micev1, Martin Ćalasan1, Milovan Radulović1
1Faculty of Electrical Engineering, Dzordza Vasingtona bb, Podgorica, 81000, Montenegro.
Heliyon
|August 10, 2023
概括
本研究介绍了一种针对同步发电机电压调节的优化控制器,改进了短暂响应和干扰排斥. 一个自适应算法可以提高实际电力系统中现有方法的性能.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 电力系统 电力系统
背景情况:
- 自动电压调节器 (AVR) 对于保持稳定的同步发电机 (SG) 终端电压至关重要.
- 现有的AVR调方法通常依赖于简化的模型,限制了现实世界的性能.
- 控制器的性能受到短暂响应,干扰排斥和噪声灵敏度的显著影响.
研究的目的:
- 为AVR系统提出了一种具有两度自由度比例积分 (2DOF-PI) 控制器的新型控制器.
- 开发一个客观的功能,以优化控制器参数,基于短暂的响应和干扰/噪声排斥.
- 调整非洲优化算法 (AVOA) 以实现最佳的AVR控制器调整.
主要方法:
- 一个2DOF-PI控制器的设计,带有防保护.
- 制定一个客观函数来评估瞬时响应,干扰和噪声排斥.
- 针对参数调整的非洲优化算法 (AVOA) 的自适应修改.
- 使用水力发电厂激发系统数据模拟一个真实的40 MVA SG AVR系统.
主要成果:
- 与传统控制器相比,拟议的AVR控制器在短暂响应,干扰排斥和噪声减轻方面表现出卓越的性能.
- 自适应的AVOA算法比其他元启发算法实现了更快的融合和更好的客观函数值.
- 模拟模型准确地反映了现实世界的AVR系统,增强了该研究的实际相关性.
结论:
- 新的2DOF-PI控制器为现实世界AVR系统提供了增强的性能.
- 适应性AVOA算法为AVR控制器参数优化提供了一种有效和高效的方法.
- 这项研究提供了一种经过验证的方法,用于提高同步发电机在发电厂的电压稳定性.
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