中文说明：本论文的研究目标是小信号稳定性分析双馈的感应发电机 （DFIG） 装备下最大功率跟踪用频域分析法，风力发电机组时域仿真方法和 Prony 方法。在频率域分析方法中，首先由 MATLAB ® / SIMULINK 软件搜查稳态工作点和线性化的模型。然后特征值计算了小信号稳定性分析。在时域仿真的方法，通过时域仿真的 MATLAB ® / SIMULINK 软件创建双馈发电机的数学模型。扰动下系统的动态响应曲线进行小信号稳定性评价。在 Prony 方法中，特征值计算从时域响应曲线的基础从数字信号处理的概念。基于结果的四个不同案件包括完整的生成器模型、 忽略定子暂态、 输电线路长度短和长的长度，输电线路的降阶发电机模型得出结论该三种方法得到一致的结果为小信号的稳定性。
English Description：
The goal of this thesis is to analyze the small signal stability of adouble fed induction generator (DFIG) equipped wind turbine under maximum power tracking using the frequency domain analysis method,time domain simulation method, and the Prony method.In the frequency domain analysis method, the steady state operating point and linearized model were first searched by MATLAB®/SIMULINK software. Then the eigenvalues were computed for small signal stability analysis.In the time domain simulation method, the mathematical model of DFIG was created by MATLAB®/SIMULINK software for time domain simulation. Dynamic response curves for the system subject to disturbance were employed to evaluate small signal stability.In the Prony method, the eigenvalues were computed from the time domain response curves based on the concepts from digital signal processing.Based on the results for four different cases include full generator model, reduced-order generat