Differential topological characteristics of the small signal stability region (SSSR) in power systems are tentatively studied in this paper.

对电力系统小扰动稳定域的微分拓扑学性质进行了初步探讨。

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A new type of extended small signal stability region (E-SSSR) is presented so that it can consider the low frequency oscillation phenomena captured in power system operations.

引入一种新的扩展小扰动稳定域的概念，以弥补原有小扰动稳定域无法考虑电力系统(超)低频振荡的不足。

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The post-contingency small-signal stability region of power grid is analyzed for its economic operation.

准确解析事故后电网的小扰动稳定域，对确保电力系统的经济运行具有重要意义。

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