Improving low voltage ride-through using super capacitor at the DC link of doubly-fed induction generator based wind turbine
- Haidar, Ahmed M. A.
- Hagh, Mehrdad T.
- Muttaqi, Kashem M.
Publication date
January 2015
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
paper presents a simple methodology to improve the low voltage ride-through (LVRT) capability of Doubly Fed Induction Generator (DFIG) based wind turbines in order to ride through higher voltage sags and durations. The proposed method is based on selection of an appropriate value for DC side super capacitor (SC) in such a way that it could help wind turbine for LVRT without any need to crowbar protection. The operation of SC based wind turbine in normal and fault conditions is simulated using MATLAB/SIMULINK. The simulation results show that the proposed method can be used effectively for LVRT improvement and it is not necessary to use crowbar in fault conditions
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