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1·The voltage stability space is built.

建立了电压稳定运行空间。

2·Power System Voltage Stability is a challengeable problem .

电力系统电压稳定性是一个具有挑战性的问题。

3·Thirdly, develop voltage stability analysis software, base on this method.

再其次，基于这种方法开发了电压静态稳定分析软件。

4·So, the study on the Beijing network voltage stability means a lot in this case.

因此，在这样的背景下，研究北京电网的电压稳定性有十分重要的意义。

5·The state of the art of voltage stability margin indices is summarized and evaluated.

对现有的电压稳定裕度指标分析方法进行了总结和评述。

6·Simulations show that it can provide realtime monitoring and control of voltage stability.

算例表明用该方法可以进行电压稳定的实时监测和控制。

7·This paper studies a new approach, secondary voltage control, to improve voltage stability.

研究了一种新的提高系统电压稳定性的方法——二次电压控制。

8·The Stable and effective MMI is important base of the software of Power System Voltage Stability.

开发稳定、高效的人机系统是电压稳定性软件的重要组成部分，也是基础的部分。

9·Firstly, the application of bifurcation theory to the analysis of voltage stability is introduced.

首先介绍了分岔理论在电压稳定性分析中的应用。

10·From the viewpoint of voltage static stability, the critical point of voltage stability is studied.

本文从电压静态稳定性观点对系统电压静稳临界点进行了研究。