Thus, dc voltage fluctuations are maintained within the small range of the voltage margin.
直流电压变化会维持在一个很小的范围内。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
The relation between the voltage margin index expressed by minimum singular value and the voltage margin expressed by physical quantity is dis-cussed.
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 voltage margin method for interchange power control was applied to the dc voltage control block (DC-AVR) and the active power control block (APR) in the terminal controller.
容压法电力交换控制已经应用于终端控制器的直流电压控制部分和有功功率控制部分。
Based on margin pricing theory, a new mathematic model is proposed for reactive power pricing taking voltage security risk into account.
基于边际价格理论，提出考虑系统电压安全风险的无功定价数学模型。
The IX2120B's 1400v absolute maximum rating provides additional margin for high voltage applications.
该IX2120B的1400V绝对最大额定值提供额外的保证金用于高电压应用。
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。
Therefore, this paper proposes a method to calculate the probability of voltage instability based on the stochastic characteristic of load margin index.
针对这种情况，提出了一种基于负荷裕度随机特性的方法来计算系统电压失稳的概率。
Using Schottky barrier diodes for D1 and D2 rather than common diodes reduces the low-level voltage on the bus, improving the noise margin.
使用肖特基二极管d1和D2，而不是普通二极管，为的是减少总线上低状态电压，改进噪声极限。
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.
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。
The distance between the index value and the critical value of0 indicates the margin of voltage stability.
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。
An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.
采用将最优潮流与连续潮流相结合的方法解决阻塞问题，并使系统运行在电压安全裕度之内。
This paper describes the application of sensitivity of the loading margin with respect to parameter on preventive 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。
The minimum singular value of the power flow Jacobin matrix can be used to evaluate the voltage stability margin.
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。
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.
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。
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.
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。
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.
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。
This paper describes the application of sensitivity of the loading margin with respect to parameter on control for voltage stability.
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。
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.
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。
A method for on-line static voltage stability margin calculation is presented.
提出了一种可在线应用的静态电压稳定裕度计算方法。
So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
因此，在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。
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.
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。
This method can deal with the difficulties of determining minimum voltage security margin index to a certain extent. The relaxation of this index can be realized by a fuzzy parameter.
该方法可在一定程度上解决确定最小电压安全裕度指标的困难，通过最小电压安全裕度模糊参数，实现对该指标的松弛处理。
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.
阐述建立大受端电网电压稳定研究平台，提出“静态分析”与“中长期时域仿真”相结合的动态电压稳定工程分析新方法。
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;
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；
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