本文在延拓算法基础上利用小扰动分析法进行动态电压稳定性研究。
Based on the continuation algorithm, this paper investigates the dynamic voltage stability using small signal analysis method.
摘 要简述电力系统动态电压稳定时域仿真分析的方法、步骤及其优缺点。
This paper makes a brief introduction to the method, procedures, advantages and disadvantages of time domain simulation analysis on dynamic voltage stability of electric power system.
对小扰动下感应电动机的动态电压稳定性进行了仿真，并运用其负荷特性对仿真结果进行了分析。
Simulation of dynamic voltage stability of induction motor in the context of small disturbances and analyses of the simulation results with its load characteristics.
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。
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.
本文提出了能同时改善电力系统功角稳定和装设点电压动态特性的用于静止无功补偿器(svc)的变结构控制器设计方法。
A variable structure controller for Static var Compensator (SVC) which can improve power Angle stability of power system and local voltage characteristics of SVC is proposed.
结果表明，现阶段采用SVC提供江苏电网扰动时负荷的动态无功支持，提高电压稳定性是一项可行的措施。
The result indicates that it is really feasible to adopt SVC to supply load dynamic reactive power to Jiangsu power grid for increasing voltage stability.
还就采用静止无功补偿器（SVC）提供动态无功支持，提高江苏系统电压稳定性进行了研究。
What's more, the enhancement of voltage stability of Jiangsu system, through static var compensator(SVC)providing dynamic reactive power support, was studied.
最后，本文对电压稳定动态方法进行了简要的评述。
Finally, this paper gives some discussion to the methods of power system voltage stability dynamical analysis.
仿真结果表明，双馈发电机控制系统具有良好的动态控制性能，直流母线电压稳定，波动小，能够满足双馈发电机交流励磁的需要。
The simulation results indicate that the system has good dynamic performance, DC bus voltage is stable and has small fluctuations, and it satisfies the demand of DFIG excitation.
配电系统电压跌落时，动态电压调节器可以维持敏感性设备的电压稳定。
When distribution system voltage drops, dynamic voltage restorer (DVR) can maintain the sensitive load side voltage stability.
仿真结果表明，该励磁控制系统同时具有较高系统稳定性和电压调节精度，并且动态过程响应快，能更好地适应生产实际的需要。
The simulation results show: the excitation controlling system has the high stability and voltage regulation precision, fast dynamic process response and better adaptability to practical production.
通过实例计算表明：所提出的系统动态模型对于研究STATCOM动态无功的调节对电力系统电压稳定性的控制作用是有效的。
The calculated result of a example shows: the system dynamic model and analyzing method referred to in this thesis is very effective in studying STATCOM control to electric power system.
比如，潮流计算、无功补偿规划、电压稳定、频率稳定及长期动态过程的分析等。
For example, power flow, reactive power compensation, voltage stability, frequency stability, and analysis of long terms dynamic process.
船舶电站电压的稳定性主要取决于同步发电机调压系统的动态特性。
The voltage stability of a ship power station is decided by the dynamic characteristic of its synchronous generator voltage regulation system.
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。
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.
对一个典型的电力系统动态模型进行了分析，在考虑了负荷随机性基础上，建立了随机扰动的电压稳定模型。
The random load characteristics in a sample power system were considered to develop a stochastic model for voltage stability.
对一个三相系统模型进行仿真，分析了感应电机动态负荷特性对系统电压稳定性的影响，并给出改善电机节点电压性能的措施。
The paper simulates a three-phase system, analyzes influence of induction motor dynamics on voltage stability, and gives methods to improve voltage stability of induction motor nodes.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式，电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
该方案采用电感电流和输出电压瞬时值双环控制，以提高输出稳定性和动态响应。
To improve the steady state operation and dynamic response, a dual-loop control strategy which incorporates the inductor current and the instantaneous output voltage has been used.
长久以来存在的用小讯号理论对电压源逆变器传动系统动态不稳定性进行预测中的理论与实践某些偏差问题在这里得到了解决。
Discrepancies which have long existed between theory and practice concerning the prediction of dynamic instability of a VSI drive by the small signal theory are resolved.
采用电压外环电流内环双闭环控制系统，提高了系统的输出的精度和稳定性，改善了系统动态响应特性。
Outer inner voltage-current dual closed loop control system to improve the system accuracy and stability of the output and improve the system dynamic response.
对电源系统进行分析，选择合适变量设计一个稳定性好、动态响应快的电压电流双闭环控制。
Then this paper chooses the suitable variable to design the voltage and current double closed-loop controller, which has well stability and fast transient response.
通过对单机。动态负荷模型添加无功功率动态补偿装置，可以改变原系统的分岔点，增加了负荷极限，从而提高了系统电压稳定性。
Through the single-dynamic load model dynamic reactive power compensation device can change the original system bifurcation point, increase the load limits and improve the system voltage stability.
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
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