General Impedance Model of DFIG for Wide-Range-Frequency Oscillation Studies

被引：2
|
作者：
Sun, Yao [1 ]
Zhang, Xiahui [1 ]
Han, Mingxiao [1 ]
Xiao, Feng [1 ]
Yu, Jiaying [1 ]
Zhang, Hanhua [2 ]
机构：
[1] North China Elect Power Univ, Inst Flexible Power Technol & Power Qual, Beijing, Peoples R China
[2] State Grid Ningxia Elect Power Co Ltd, Elect Power Res Inst, Beijing, Peoples R China
来源：
2020 IEEE 9TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (IPEMC2020-ECCE ASIA) | 2020年
关键词：
doubly-fed wind generator; wide-range-frequency oscillation; impedance model;
D O I：
10.1109/IPEMC-ECCEAsia48364.2020.9367809
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
With a large amount of wind power connected with the grid, wide-range-frequency oscillation problems become increasingly serious. In order to study oscillation mechanism, the general impedance model of doubly-fed wind generator (DFIG) is established in DQ coordinate system, including the parts of wind generator parameters, rotor-side controller (RSC), grid-side controller (GSC), phase-locked loop (PLL) as well as direct current bus. From the final expression of the general impedance model, the interaction effect among the grid, wind turbine and controller can be found, and it can also be used in the studies of wide-range-frequency oscillation in DFIG. The final simulation shows that sub-synchronous oscillation (SSO) will also happen in the state of wind farm connected to grid with no series capacitor compensated.
引用
收藏
页码：2882 / 2886
页数：5
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