This paper presents a comprehensive solution to mitigate the sub-synchronous oscillation (SSO) in wind farms connected to series-compensated transmission lines. The concept of motion-induction amplification (MIA) is introduced to reinterpret the physical root cause of the negative resistance in doubly-fed induction generators (DFIGs). Based on this new interpretation, a novel control scheme called motion-induction compensation (MIC) is proposed to counteract the MIA effect. The MIC control eliminates the negative resistance in DFIGs across the entire frequency range, and makes the Type-III (DFIG) generator behave like a Type-IV generator in dynamics. The proposed solution provides wide-range SSO damping and also shows excellent robustness against model and measurement errors.
Motion-Induction Compensation to Mitigate Sub-Synchronous Oscillation in Wind Farms
2020-07-31
Gu , Y , Liu , J , Green , T C , Li , W & He , X 2020 , ' Motion-Induction Compensation to Mitigate Sub-Synchronous Oscillation in Wind Farms ' , IEEE Transactions on Sustainable Energy , vol. 11 , no. 3 , 8733068 , pp. 1247-1256 . https://doi.org/10.1109/TSTE.2019.2921662
Article (Journal)
Electronic Resource
English
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