基于PI控制的时滞电力系统稳定性分析Stability Analysis for Power Systems With Time-delay Based on PI Control
肖伸平;张天;唐军;成双银;
摘要(Abstract):
讨论了基于PI负荷频率控制的单区域时滞电力系统稳定性问题。搭建了考虑通信网络时滞和参数不确定电力负荷频率调节系统的数学模型,通过构建增广LyapunovKrasovskii泛函,并应用Bessel-Legendre不等式处理泛函导数中的积分项,利用Matlab的Yalmip求解工具获得了不同PI控制器增益下满足系统稳定条件的时滞上界。实例验证了文中方法的优越性和有效性。
关键词(KeyWords): PI控制;电力系统;时滞;负荷频率控制
基金项目(Foundation): 国家自然科学基金资助项目(61672225);; 长株潭国家自主创新示范区专项项目(2017XK2203)~~
作者(Author): 肖伸平;张天;唐军;成双银;
Email:
DOI: 10.13335/j.1000-3673.pst.2019.1817
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