详细说明了在大型电力系统分析软件中建立双馈风机模型的方法以及稳定分析中的模型降阶简化方法。-Describe a simplified method for the DFIG model as well as in large-scale power system analysis software stability analysis model reduction.

高阶buck电路的模型降阶，krylov子空间法，arnoldi算法-the reduction of the full-order model of Buck converter,Krylov subspace,Arnoldi algorithm