With the help of MATLAB/Simulink,this essay introduces the establishment of a grid connection model of dual closed-loop control for the micro grid with outer grid-connected current loop and inner capacitor current loop. The simulation results have proved that the control strategy can not only achieve stable grid connection but also have a good filtering performance.%论述在MATLAB／Simulink中搭建一种采用并网电流外环、电容电流内环的微电网双闭环控制并网模型，并用仿真结果验证了该控制策略不仅能够实现稳定并网，而且具有较好的滤波性能。
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