Limit induced bifurcation ( LIB) by generator excitation voltage limit was studied, the critical limit was presented and a mechanism of LIB was proposed. 研究由于发电机励磁电压限制导致的极限诱导分岔,发现临界限值的存在并提出一种极限诱导分岔的机理解释。
Full charge occurs when a set voltage limit is reached. 充满电时发生的电压达到极限。
A new parallel algorithm of continuation power flow for large-scale power system is proposed, it helps to obtain the static voltage stability limit. 提出一种适用于大规模电力系统电压稳定分析的分区并行连续潮流算法,求取静态电压的稳定极限。
It can discharge and charge current, also can define voltage limit and capacity continuously; 充放电电流、电压下限、容量设置能连续可调;
Voleage stability Static voltage stability limit smallest module-eigenvalue susceptance model in the heaviest load bus; 电压稳定;静态极限;最小模特征值;重负荷节点电纳模型;
A study on models and methods for identifying of voltage stability limit more precisely 关于更精确的电压稳定极限描述中所需模型与方法的研究
The traditional transfer capability only considers some physical property factors, such as hot limit, voltage limit and stable limit. 传统的输电能力只是考虑了一些物理特性的因素,如热极限、电压限制和稳定性限制。
This paper gives a strict proof that the small disturbance voltage stability limit depends only on the steady state characteristics of the dynamic components of the system and is independent of their transient characteristics. 严格证明了静态和小扰动电压稳定极限只决定于系统组成元件的稳态特性,与系统的暂态过程无关。
A method, which is for computing the voltage stability limit based on PSS/ E, is presented in this dissertation. 本文提出了一种基于PSS/E的静态电压稳定极限计算方法。
This method, adopting admittance model in load bus and using the activities supplied by PSS/ E, can compute the voltage stability limit effectively. The difficulties connected with the singular load flow Jacobian matrix are overcame in this algorithm. 该方法通过调用PSS/E的潮流计算模块,采用负荷导纳模型,有效地克服了临界点附近常规潮流雅克比矩阵奇异所带来的收敛困难,且简单易行,计算速度快,概念明确。
Survey on reactive power planning research considering voltage stability limit 考虑电压稳定约束的无功规划研究综述
An algorithm of linear simulation to calculate static voltage stability limit 线性模拟法求解电力系统静态电压稳定裕度
Meanwhile, the process of producing test voltage and normal limit of leakage current is introduced in analyzing and treating of a large number of data. 同时,在对大量数据的分析处理中介绍了试验电压、标准限值的产生过程。
Finally, a test on 1000-bus system confirms the complexity brought out by induction motor model and effectiveness of two-step method in computing voltage stability limit in a higher degree of precision. 最后在一个1000节点系统中验证了感应电动机负荷对于大系统更精确描述电压稳定极限的重要性以及此时两步法的有效性。
So, aiming at the transfer function and nonlinear response in several typical circuits, such as adjust output voltage, limit adjustive range and load equivalent impedance, and fine adjustment. The response curves of Linear and nonlinear output were given through experiment. 为此,针对电位器的调节输出电压、限定调节范围、负载等效阻抗、细调等几种典型电路中的传递函数与非线性响应,通过实验给出了线性和非线性输出响应曲线。
Determine the voltage stability limit is an important job for the static voltage stability research. 在静态电压稳定的研究中,确定电压稳定极限是一项非常重要的工作。
Moreover, it is suggested that transient voltage stability and transient voltage dip acceptability be quantitatively assessed along the same trajectory. The more critical one between the two kinds of limits is regarded as the transient voltage security limit. 提出在同一次仿真过程中定量评估暂态电压稳定性和暂态电压跌落可接受性,把最临界的极限值作为系统的暂态电压安全极限。
Study of Static Voltage Stability Limit on Large Power System 大型电力系统静态电压稳定极限的求解
PSS/ E supply a language-IPLAN, which can make it possible to realize the computation of voltage stability limit. 提供了一套自定义语言&IPLAN,它使得在PSS/E平台上实现电压稳定极限计算成为可能。
An Algorithm for the Load Flow Solution Close to the Voltage Stability Limit and the Determination of Static Voltage Stability Limit 临近电压稳定极限的潮流和静稳极限算法
This method, adopting admittance model in load bus and using the activities supplied by PSS/ E, can compute the voltage stability limit effectively. 本方法通过PSS/E提供的潮流计算模块,采用负荷导纳模型,能有效地计算静态电压稳定极限。
The static-state closest voltage stability limit corresponds to power limits of voltage stability when the loads in-crease along with the worst possible direction. 静态最接近电压稳定极限就是对应于负荷沿某一最坏的可能方向增加时的静态电压稳定极限。
Models and Algorithms for Power System Voltage Stability Limit 电力系统电压稳定极限的模型和算法
The effects of dynamic components 'characteristics on power system voltage stability limit 电力系统动态元件特性对电压稳定极限的影响
The relation of the dynamic load model parameters and the position of the small disturbance voltage stability limit point in the PV curve are systematically analyzed. 系统研究了负荷模型参数与负荷节点PV曲线上小干扰电压稳定极限点位置的关系。
Based on voltage and current limit equation limit equation is deduced and the active current and reactive current limiting value, and on this basis weak magnetic controller is designed. 在电压限制方程和电流限制方程基础上推导出id和iq上下限值,并在此基础上设计弱磁控制器。
CPF is the important tool of voltage stability analysis, which can get accurate voltage stability limit points and PV curves, but existing methods have large-capacity computing. 连续潮流是分析静态电压稳定性的重要工具,能求出准确的电压稳定极限点和PV曲线,但现有方法计算量大。
After occurring predictive contingency, static security analysis is to analyze and judge whether the system exists overload or voltage limit. 静态安全分析就是要分析判断在电力系统发生预想事故后系统是否发生过负荷或是电压越限。
When the penetration rate was high and if the grid has no reactive power compensation device, the node voltage limit violation would happen. 仿真结果表明:风电渗透率较高且没有无功补偿装置的情况下,系统会出现节点电压越下限的现象。
Using the Pulse-width modulation ( PWM) technology to control the power, and the control method was double-loop current feedback control voltage limit. 采用脉宽调制(PWM)技术对电源进行控制,控制方法为电流反馈电压限制双环控制。