电力系统小信号稳定性分析中，建模是一项很重要的任务。
Modeling is an important task in power system small signal stability analysis.
首先在风力发电系统建模的基础上，研究了双馈风力发电机本体的小信号稳定性。
The modeling of a grid connected DFIG system is first set up and research is carried out to argue the stability of the single generator.
通过计算该模型特征值，可直观分析微网小信号稳定性和比较不同控制策略的动态性能；
This integrated model consists of two sub-models:the small signal sub-model of network and load considering dynamics and the complete sub-model of DG inverters.
本文在对系统进行适当简化的前提下，采用“扰动信号反馈注入法”建立了系统的小扰动端口特性，为系统的静态稳定性分析奠定了基础。
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.
采用小信号的方法对其稳定性进行分析。分析结果表明这种结构本质上具有锁相环的功能。
The stability of the system is analyzed by small-signal, the results shows that the double integrator close-loop is a Phase-Locked-Loop (PLL) essentially.
采用小信号的方法对其稳定性进行分析。分析结果表明这种结构本质上具有锁相环的功能。
The stability of the system is analyzed by small-signal, the results shows that the double integrator close-loop is a Phase-Locked-Loop (PLL) essentially.
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