使用该方法，可以研究电力系统遭受大扰动后的振荡模式和非线性动态行为。
Using this method, the oscillation modes and non-linear dynamic behavior of power systems subjected to large disturbances can be studied.
本文简要介绍了总体评价法在研究非线性控制系统极限环振荡方面的理论和应用。
In this paper, the theory and application of the Method of General Estimation on the study of the continuous oscillation of nonlinear control system has been introduced in brief.
针对近年来电力系统低频振荡中出现的非线性奇异现象，阐述了发生这种现象的机理，并在文献1的基础上，把发电机的模型扩展到四阶。
For the nonlinear singularity phenomenon of power system, it is stated the mechanism of phenomenon. On the basis of references 1, the generator model is expanded to four dimensions.
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