张国洲;易建波;滕予非;王鹏;黄琦;

• 1:电力系统广域测量与控制四川省重点实验室(电子科技大学)
• 2:国网四川省电力公司电力科学研究院

摘要(Abstract)：

该文研究一种适应系统运行方式改变的多机PSS参数协调优化方法。首先提出基于轨迹灵敏度的主成分分析方法选取PSS最佳反馈输入信号;再结合ITAE准则、田口法生成包含稳定性目标函数以及鲁棒性目标函数的多目标优化约束,同时提出利用相关因子筛选部分机组振荡曲线计入目标函数的约束简化方法;最后建立基于NSGA-II的多目标优化算法,实现系统暂态多机以及多运行方式下的全局参数寻优。仿真分析表明所提优化方法可使得系统整体阻尼得到较大提升,优化后的PSS在多种运行方式下抑制振荡能力显著增强,并对于运行方式以及故障的变化具有鲁棒性,相较于传统方法,具有更好的优化效果。

关键词(KeyWords)： 轨迹灵敏度;主成分分析;ITAE准则;田口法;优化约束简化;NSGA-II

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2017YFB0902000);; 国家电网公司科技项目(521999180001);; 四川省科技计划重点研发项目(2017GZ0054);; 中央高校基本科研业务费项目(ZYGX2016J142)~~

作者(Author): 张国洲;易建波;滕予非;王鹏;黄琦;

Email:

DOI: 10.13335/j.1000-3673.pst.2017.2774

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