Abstract: Aiming at the problems in the virtual synchronous control（VSG）of traditional doublyfed wind generator,the grid frequency and output active power fluctuate greatly and the transient adjustment time is too long due to sudden load changes,a variable-parameter wind generator based on fuzzy adaptive control strategy is proposed in this paper. First,the VSG algorithm is introduced into the rotorside converter of the unit,so that the wind power can actively support the grid frequency and the DFIG-VSG active power small signal model is established to analyze the influence of inertia and damping coefficient on the system stability. Then,by analyzing the principle of power frequency change in the transient process of the system and combining the fuzzy algorithm that is not constrained by linear quantization,the range of virtual inertia and damping is taken as the output domain of fuzzy adaptive link. And then the inertia and damping coefficient are adjusted in real time to reduce power overshoot and frequency. Finally,the feasibility,effectiveness and advantages of the proposed fuzzy adaptive VSG control strategy are verified based on the simulation results of the DFIG-VSG unit in Matlab/Simulink.