中文说明：
提供双馈风电机并网仿真程序.仿真程序内含有16台双馈风力发电机，经25km线路并入大电网。
English Description：
A simulation program for grid connection of doubly fed wind turbines is provided. The simulation program contains 16 doubly fed wind turbines, which are connected to the large power grid through 25km transmission line.