multi-machine system

this equivalent method can reduce the dimension of multi-machine system efficiently, while all of the system's eigenvalues are preserved.

这种等值简化方法可以有效降低系统矩阵的维数，并保留了原系统的全部特征值信息。

fast prediction method for multi-machine system transient instability based on wide area trajectory information

基于广域轨迹信息的多机系统暂态不稳定性快速预测方法

Then the characteristic of the matrix latent root of the multi-machine system and the relationship between the oscillation mode and the parameter of the generator are analyzed. Secondly, the oscillation mode of the connection line of the four-machine two-area system is researched.

继而分析了多机系统状态矩阵特征根的特点和振荡模式与发电机参数之间的关系。其次，研究了四机两区域系统联络线振荡模式。

develop a universal software for multi-machine system ssr state-space analysis based on the object-oriented programming technique and the matlab gui platform.

基于面向对象编程技术，采用Matlab GUI软件设计平台，开发了一款可视化通用型电力系统次同步谐振状态空间分析软件。