电压崩溃；
The paper proposes a new method to determine a viable load shedding scheme to avoid voltage collapse.
在综合分析电力系统电压崩溃事故的基础上，提出了一种新的避免系统电压失稳的甩负荷方案。
In this paper, a direct method for static voltage collapse point in rectangle coordinate is presented.
本文提出了在直角坐标系下静态电压稳定临界点的一种直接计算方法。
Voltage collapse means the voltage of the electrical system suddenly declines to an unacceptable level.
电压骤降是指电力系统的电压突然降到了一个不能接受的水平。
If the voltage stability index approaches to 1, it shows that the power system draws near voltage collapse.
如果系统的电压稳定指标趋近1，则表明系统临近电压崩溃。
A new index. system loss sensitivity, for estimating voltage collapse proximity is introduced in this paper.
阐述了一种估计电压崩溃临近程度的新指标——网损灵敏度指标。
On-load tap changer (OLTC) is considered to be one of the important factors that results in voltage collapse.
有载调压变压器被认为是造成电压崩溃的重要因素之一。
The calculation example shows that this method effectively avoids the power flow convergence when close to the critical voltage collapse point.
算例表明所提算法有效规避了在接近崩溃点附近潮流收敛困难的问题。
Under the condition of suitable formulation, the power system can be away from the voltage collapse point, through controlling the left eigenvector of voltage collapse point.
按照系统的鞍结分叉点处的左特征向量来控制系统的行为可以最快地远离电压崩溃点。
These years, more and more power researchers have realized that voltage stability in power systems is a dynamic phenomenon, and voltage collapse point is predicted in advance.
近些年，越来越多的人认识到电力系统电压稳定问题是一个动态问题，而电压崩溃点是可以提前预知的。
In recent years, more and more researchers have realized that voltage stability of power system is a dynamic phenomenon, and voltage collapse point can be predicted in advance.
近些年，越来越多的人认识到电力系统电压稳定问题是一个动态问题，而电压崩溃点是可以提前预知的。
In this thesis, the characteristics of the critical voltage collapse operation point is analyzed and a novel method used to get the critical point of voltage collapse is put forward.
本文对临界电压崩溃的运行点进行了特性分析，提出了一种求取电压崩溃临界点的新算法。
When the load is near to generators, the possibility of voltage collapse caused by system voltage oscillate and the power limit corresponding to saddle-node bifurcation will decrease.
负荷越靠近发电机，系统电压将越不易发生振荡失稳，但鞍结分岔对应的最大功率传输极限将减小。
In the meantime, it is also proven that the non transversal intersection mentioned above exactly corresponds to the static bifurcation point, i. e. the critical point of voltage collapse.
文中还证明了这一非横截交点恰好对应于静态分岔点即电压崩溃的临界点。文中结果对于防止电压崩溃、保证系统安全运行具有重要意义。
Continuation power flow method, the strong tool of voltage stability analysis, can overcome the problem of singularity of Jacobin matrix when running close to collapse point.
连续潮流算法是电压稳定分析的有力工具，能够克服接近稳定极限运行状态时的潮流不收敛的问题。
Continuation power flow method, the strong tool of voltage stability analysis, can overcome the problem of singularity of Jacobin matrix when running close to collapse point.
连续潮流算法是电压稳定分析的有力工具，能够克服接近稳定极限运行状态时的潮流不收敛的问题。
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