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This paper studies transient voltage stability in a 9-MW doubly-fed-induction-generator-based wind farm integrated with one superconducting fault current limiter (SFCL)-based passive voltage compensator and one transient voltage control (TVC)-based active voltage compensator. To achieve effective control manner, basic cooperative operation and modeling of the two voltage compensators are described...
Wind system using a fixed-speed wind power generation SCIG (Squirrel-cage Induction Generator) tends to drain large amount of reactive power from the grid, potentially causing a drop voltage and perhaps voltage stability conundrum. To improve the SCIG's low voltage ride through (LVRT) characteristics, this paper presents a new control strategy for a variable-speed wind power generation DFIG (Doubly-fed...
This paper presents adaptive internal model controller (AIMC) for a doubly fed induction generator (DFIG)-based wind farm. Rotor current controller using adaptive internal model controller is designed with Lyapunov theory to improve the voltage sag ride through. A comparative analysis is carried out with adaptive PI controller to prove the effectiveness of the AIMC for voltage sag ride through. Simulation...
In this paper, application of Fuzzy-PI control for the voltage source converter based permanent magnet synchronous wind generator is proposed in order to improve Fault Ride Through (FRT) capability of wind farm including fixed speed induction generators. The membership of fuzzy logic controller is designed based on the bode diagram analysis to achieve a good stability performance of the controller...
The advancing technologies are boosting the wind turbine development rapidly and today the wind power generation has become a proven technology. However, still the research and development are motivated to go into further detail to simplify and optimize the control strategies. This paper addresses a simplified control strategy based on rotor current reference frame. The decoupled active and reactive...
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