提出了一种可在线应用的静态电压稳定裕度计算方法。
A method for on-line static voltage stability margin calculation is presented.
对现有的电压稳定裕度指标分析方法进行了总结和评述。
The state of the art of voltage stability margin indices is summarized and evaluated.
潮流雅可比矩阵最小奇异值可用来评估系统电压稳定裕度。
The minimum singular value of the power flow Jacobin matrix can be used to evaluate the voltage stability margin.
系统电压稳定指标与临界值0之间的距离反映了系统的电压稳定裕度。
The distance between the index value and the critical value of0 indicates the margin of voltage stability.
讨论了最小奇异值表示的电压稳定裕度指标和物理量表示的电压稳定裕度指标间的关系；
The relation between the voltage margin index expressed by minimum singular value and the voltage margin expressed by physical quantity is dis-cussed.
连续潮流法能较好克服潮流方程在极限点附近的病态，是求取静态电压稳定裕度的常用方法。
The continuous power flow method can readily overcome the abnormality of the power flow equation in neighborhood of limits and is frequently used for determining the static voltage stability margins.
摘要介绍了上海电网电压稳定功率裕度指标，探索了电压稳定裕度指标的时域仿真校核方法。
The power margin index for Shanghai grid voltage stability is presented, and the time domain simulation checking method for the power margin index is discussed.
用电路理论定义电压稳定裕度指标并提出简单、快速、准确地从正常运行电网中搜寻电压弱支路的方法。
This paper defines the abundance index of voltage stability by circuit theory and suggests a method to search weak circuit branches from operating power grids simply, quickly and correctly.
只需对系统进行两次常规潮流计算，即可根据公式迅速判断系统每一个节点的电压稳定性，同时计算出各个节点的电压稳定裕度。
After twice calculations to power flow, the static-voltage stability and voltage-stability indexes of every node can be judged and obtained respectively with the new formula.
通过对IEEE 30节点系统计算并与其他算法比较，结果表明采用该优化规划的算法能有效地降低网损、提高系统电压稳定裕度。
This algorithm is used in IEEE-30 buses system and the result indicates that the optimization algorithm not only can decrease the power loss but also can improve the system voltage stability margin.
考虑负荷变化随机性的电压稳定分析方法可以更多地计及不确定因素，提供更丰富的电压稳定临界点以及最小功率裕度的信息。
By using the voltage stability analysis with uncertain factors of load variation considered in computation, more information about the critical point and the minimal power margin will be offered.
这个模型以电压稳定分析的特征结构分析法和分岔分析法为理论基础，把电压稳定的裕度指标和状态指标相结合加入了无功优化中。
New formulations are on the basis of the theory of the bifurcation and the Jacobi matrix eigenvalue structure analysis incorporating the margin and state index of the voltage stability.
在连续潮流法的基础上，结合经过改进的差异进化算法，通过对变量的组合优化，求取系统静态电压稳定安全裕度。
By combining the continuous power flow method with improved differential evolution calculation, the static voltage stability margin is found via optimal grouping of relevant variables.
提出应用系统控制参数与系统负荷裕度之间的灵敏度关系、对电力系统电压稳定进行控制的方法。
This paper describes the application of sensitivity of the loading margin with respect to parameter on control for voltage stability.
提出了应用系统控制参数与系统负荷裕度之间的灵敏度关系及对电力系统电压稳定进行预防控制的方法。
This paper describes the application of sensitivity of the loading margin with respect to parameter on preventive control for voltage stability.
分析了矿山供电系统的特点，对电压稳定性、系统的稳定裕度及防止发生电压稳定破坏的措施进行了阐述。
The characteristics of mine power system, voltage stability and system stability margin were analyzed and the measures of preventing vlotage stability from destruction were set forth.
下层问题求解某个负荷变化方向上的最大负载裕度，上层问题考虑负荷变化方向的约束，寻找最近的电压稳定临界点。
The lower-level problem is to maximize the loading margin under a load change direction and the upper-level problem is to find the closest critical point subject to the constraints of load change.
仿真结果表明，当电压调节器的输出电压为最大值时，系统电压暂态稳定裕度没有达到最大；
Research results show that when the output of voltage regulator is the maximum value, the voltage transient stability margin of power system does not achieve its maximum;
仿真结果表明，当电压调节器的输出电压为最大值时，系统电压暂态稳定裕度没有达到最大；
Research results show that when the output of voltage regulator is the maximum value, the voltage transient stability margin of power system does not achieve its maximum;
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