Abstract
According to the practical operating experience,wind farms with DFIG(doubly fed induction generator) integrated by series compensated AC transmission lines are confronting with the problem of SSO(subsynchronous oscillation). In this paper,the configuration and control strategy of hybrid series compensator composed by SSSC(static synchronous series compensator)and fixed capacitor are proposed,and testing method for subsynchronous frequency equivalent impedance of series FACTS is presented as well. Consequently,subsynchronous frequency impedance characteristics of SSSC are analyzed,and SSO characteristics of DFIG integrated by hybrid series compensator are studied. The results reveal that the subsynchronous frequency equivalent impedance of SSSC is positive,and the SSO damping is larger with higher proportion of SSSC in hybrid series compensator;in addition,the SSO damping is larger with larger compensation impedance or voltage of SSSC. The research is helpful for the planning and operating of the power system with large scale wind farm integrated.
| Translated title of the contribution | SSO Characteristics of Doubly Fed Wind Farm Integrated by Hybrid Series Compensator |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 194-200 |
| Number of pages | 7 |
| Journal | Gaoya Dianqi/High Voltage Apparatus |
| Volume | 55 |
| Issue number | 5 |
| DOIs | |
| State | Published - 16 May 2019 |
| Externally published | Yes |
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