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Ride-through of DFIG Wind Turbine Systems Using Energy Storage Unit
Thanh Hai Nguyen(뉴옌탄하이),Dong-Choon Lee(이동춘) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
This paper deals with a ride-through technique of doubly-fed induction generator (DFIG) wind turbine systems using energy storage unit (ESU). By increasing the machine speed, some portion of the turbine power can be stored in the system inertia during grid faults. Also keeping the operation of rotor-side converter (RSC) and grid-side converter (GSC), the rotor current and DC-link voltage can be limited. The effectiveness of the proposed method is verified by simulation results for 2[MW] DFIG wind turbine system.