Passivity-Based Control for Doubly-Fed Induction Generator Considering the Phase-Locked Loop
Ma Yanfeng1, Liu Haihang2, Yu Rennan1, Liu Jia1, Liu Weidong3, Zhao Shuqiang1
1. School of Electrical and Electronic Engineering North China Electric Power University Baoding 071003 China; 2. Inner Mongolia Power (Group) Co. Ltd Hohhot 010000 China; 3. State Grid Tianjin Electric Power Company Tianjin 300072 China
Abstract：In order to reduce the operational risks of large-scale variable speed wind generation connected to the grid and suppress low frequency oscillation, it is necessary to study the control strategies of wind generation. In this paper, the phase locked loop realizes the dq coordinate system orientation and outputs frequency value of reference point, which can establish the port-controlled Hamiltonian with dissipation (PCHD) model. According to the system equilibrium equation, the expected equilibrium point of each state variable of the doubly-fed wind turbine is obtained. Then the rotor voltage feedback control law is obtained using the interconnection and damping distribution passive control method interconnection and dampling assignament passivity-based control (IDA-PBC). The doubly-fed induction generator (DFIG) -side converter control and additional damping controller is further obtained to improve the low frequency characteristics of the system. Finally, the infinite system and IEEE 4-machine 2-area system verify the effectiveness of this method.
马燕峰, 刘海航, 俞人楠, 刘佳, 刘伟东, 赵书强. 考虑锁相环的双馈风力发电机组无源控制[J]. 电工技术学报, 2017, 32(24): 224-232.
Ma Yanfeng, Liu Haihang, Yu Rennan, Liu Jia, Liu Weidong, Zhao Shuqiang. Passivity-Based Control for Doubly-Fed Induction Generator Considering the Phase-Locked Loop. Transactions of China Electrotechnical Society, 2017, 32(24): 224-232.
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2017, Vol. 32 
