This Paper represents An Overview on Modeling and Simulation of Brushless Doubly Fed Induction Generator Coupled with Wind Energy System using Matrix convertor. Some of important research and developments are overviewed in this paper. Because of the advantages of the BDFIG over other generators it is being used for most of the wind applications. Various researches have been done in modeling and simulation in field of DFIG. This paper summaries the researches in the area of study of DFIG, steady state and transient analysis, its modeling, simulation, reactive power control strategies and performance analysis of BDFIG coupled with wind turbine. The response of BDFIG wind turbine system to grid disturbances, which is simulated and verified experimentally, is overviewed here