An Energy Function-Based Optimal Control Strategy for Output Stabilization of Integrated DFIG-Flywheel Energy Storage System

被引:89
作者
Ghosh, Sudipta [1 ]
Kamalasadan, Sukumar [1 ]
机构
[1] Univ N Carolina, Dept Elect Engn, Energy & Intelligent Syst Lab, Energy Prod Infrastruct Ctr & Power, Charlotte, NC 28223 USA
基金
美国国家科学基金会;
关键词
Flywheel energy storage system; doubly fed induction generator (DFIG); optimal control; energy function; FED INDUCTION GENERATOR; WIND; DESIGN;
D O I
10.1109/TSG.2015.2510866
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];
摘要
This paper presents an energy function-based optimal control strategy for output stabilization of integrated doubly fed induction generator (DFIG)-flywheel energy storage architecture to keep the grid power isolated from wind power output and voltage fluctuations and thus enabling increased penetration of wind energy resources. First, a grid connected two mass DFIG and a grid supportive single mass squirrel cage induction generator-based flywheel energy storage system model have been considered for controller design and proof of concept exploration. Second, a new energy function-based control architecture is proposed for maximum energy transfer from wind farm during normal operation and to improve DFIG low voltage ride through characteristics. It has been observed that the proposed architecture is very effective in mitigating oscillations and thus increasing wind energy penetration.
引用
收藏
页码:1922 / 1931
页数:10
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