标题：Frequency cooperative regulation of doubly fed induction generator and synchronous generator
作者：Lao, Huanjing ;Zhang, Li ;Zou, Liang ;Chu, Di
作者机构：[Lao, Huanjing ;Zhang, Li ;Zou, Liang ] Department of Electrical Engineering, Shandong University, Jinan, China;[Chu, Di ] PowerChina Nuclear Engineer 更多
会议名称：14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019
会议日期：19 June 2019 through 21 June 2019
来源：Proceedings of the 14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019
关键词：Emergency energy cooperation support; Frequency regulation; System with high renewable energy penetration; Wind turbine
摘要：Doubly fed induction generator (DFIG) with over-speed control has the ability to adjust output quickly, which is suitable for maintaining frequency stability in power system. Under the condition that the system suffers sudden power shortage, emergency frequency support can be provided to the system temporarily by it, which is more economical than relying on storage devices. In the designed system, synchronous generator (SG) and wind turbines are parallel connected to support the load, and the wind turbines play the role of providing emergency frequency support, cooperating with synchronous machines in an orderly manner. Finally, the studied system with 60% wind power penetration is established, and the effectiveness of the proposed strategy is verified by MATLAB/Simulink simulation. This operation strategy does not need to be equipped with large capacity energy storage device, thus optimizing the economy of the system operation. At the same time, excavating deeply the potential for frequency regulation of wind turbines helps system improve the frequency regulation performance. © 2019 IEEE.