基于鲁棒下垂控制策略的微网平滑切换

被引:28
作者
米阳 [1 ]
夏洪亮 [1 ]
符杨 [1 ]
王成山 [2 ]
机构
[1] 上海电力学院电气工程学院
[2] 天津大学电气与自动化工程学院
基金
中国博士后科学基金;
关键词
微网; 下垂控制; 非线性; 滑模控制;
D O I
暂无
中图分类号
TM732 [电力系统的运行];
学科分类号
120103 [信息系统与信息管理];
摘要
针对传统下垂控制作用下微网的运行状态平滑切换问题,利用滑模控制算法设计新的鲁棒下垂控制策略,通过增加滑模补偿控制环节来提高传统下垂控制的鲁棒性。首先采用相角-电压设计下垂控制,然后根据下垂控制结构和有功功率动态方程,建立非线性状态空间方程,应用滑模控制算法设计非线性补偿控制器,将该控制器产生的补偿信号附加到电压环上,使得微网运行状态切换时的功率振荡减小,保证微网暂态运行稳定性。算例结果验证了所提策略的有效性。
引用
收藏
页码:2309 / 2315
页数:7
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