Analysis and mitigation of participation factors weak robustness in direct-drive wind farms connected to VSC-HVDC system

被引:0
|
作者
Shao, Bingbing [1 ]
Wang, Liyuan [2 ]
Chen, Zhe [3 ]
Blaabjerg, Frede [3 ]
机构
[1] Hefei Univ Technol, Anhui Prov Key Lab Renewable Energy Utilizat & Ene, Hefei 230009, Peoples R China
[2] State Grid Changfeng Cty Elect Power Supply Co, Hefei 231131, Peoples R China
[3] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark
关键词
Close modes; Participation factor; Sub-synchronous oscillation; VSC-HVDC; Weak robustness; Wind farm; STABILITY ANALYSIS; POWER-SYSTEMS; OSCILLATION; RESONANCE;
D O I
10.1016/j.ijepes.2023.109311
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
The participation factors of close sub-synchronous oscillation modes in direct-drive wind farms connected to VSC-HVDC system are greatly affected by parameter perturbations. This affects the damping controller optimal configuration. In light of the issue, participation factors weak robustness is revealed with the matrix perturbation method, and its negative impact on damping controllers is explained. Then, the participation factors weak robustness phenomenon and its hazards are analyzed. Finally, a mitigation method of participation factors weak robustness is proposed. PSCAD/EMTDC simulations are conducted to verify the analysis results.
引用
收藏
页数:8
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