仿真计算表明，SVC与发电机励磁非线性状态PI协调控制器能有效地提高系统的暂态稳定性。
Simulation results show that nonlinear state PI SVC controller cooperating with the excitation system of generator can improve dynamic stability of power system effectively.
因此，本文主要研究了UPFC对电力系统暂态稳定性和暂态稳定预防控制的影响和作用。
So, the influence of UPFC in power system transient stability and transient stability preventive control has been researched in this paper.
算例系统的计算结果表明。所提出的模型和算法是正确而有效的，为研究FACTS的暂态稳定性和控制作用提供了有效工具。
Examples of test system show that the proposed model and method are correct. This provides an effective tool for studying the transient stability and control strategy of FACTS.
因而在我国研究电力系统暂态稳定性的快速估计和紧急控制的理论具有迫切和现实的意义。
Therefore, there will be great need for studies of fast estimate of transient stability and emergent control of power systems.
仿真结果表明，这种控制方法能有效抑制干扰，可以在大干扰条件下提高系统暂态稳定性。
The simulation results have shown that the control law discussed can attenuate the disturbances and apparently improve the transient stability when large disturbances occur.
同时，利用经典控制理论方法分析了系统稳定性和存在链路容量干扰时瓶颈队列的暂态、稳态特性。
A classical control method is also introduced to analyze the stability of the system and the transients as well as steady-state behaviors of bottleneck queue with link capacity disturbances.
通过对灵敏度较大的线路或母线上FACTS设备参数进行控制，以提高FACTS的暂态稳定性。
By controlling the parameters of FACTSinstalled on the line or bus with higher sensitivity. the transient stability of FACTS is improved.
以单机无穷大系统为例，较全面地仿真了UPFC及其控制参数对系统暂态稳定性的影响以及UPFC的电压调节和潮流控制能力。
The influence of UPFC and its controlling parameters on power system stability, capability of voltage regulation and power flow control are overall simulated on a one-machine to infinitive-bus system.
研究联络线故障水平对电力系统暂态稳定性的影响，对于电力系统的安全稳定评估与校核，以及暂态稳定预防控制都有着重要意义。
The research on the fault level of tie line is of significance for the security and stability evaluation of power system as well as the preventive control of transient stability.
通过变化传输线的线路长度来测试这两种控制器在加强暂态稳定性方面的效果。
Varying the transmission line length is used to test the effectiveness of these two controllers on transient stability enhancement.
所产生的预防控制决策可以防止发生预想事故后系统失稳，有效提高系统的暂态稳定性。
Preventive control decisions made can prevent the power system from losing transient stability after contingencies so as to improve transient stability effectively.
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can considerably increase the dynamic stability of power system.
提出风电场稳态电压和暂态电压稳定性控制的概念。
Put forward the conception of steady voltage and transient voltage stability control of wind power plants.
研究表明，信号调制型SVC综合非线性控制器，能够给系统提供较强的阻尼，从而提高了整个交直流混合系统的暂态稳定性。
The results show that the signal-modulating type synthetical nonlinear SVC controller can provide higher damping to the system, so as to enhance the transient stability of the AC and DC hybrid system.
通过在6机22母线系统的仿真结果表明，该控制器能提高电力系统的暂态稳定性和动态性能。
The simulation results in a 6-machine 22-bus power system demonstrate that the controller can greatly improve transient stability and dynamic performance of power systems.
仿真结果表明，所设计的控制系统可以有效地控制节点电压和线路潮流，改善系统的暂态稳定性。
The effects for enhancing the stability and dynamic performance of power system and controlling bus voltage and line power flow are illustrated by simulation o…
通过连续、快速控制励磁机电压以与发电机的要求相匹配来提高发电机对于电力系统的稳态和暂态稳定性限度。
Increases both the steady state and transient stability limits of the generator with respect to the power system by continuous, fast control of the exciter voltage to match the generator requirements.
对大规模交直流网络下的高压直流控制保护系统进行参数优化设计，是保证灵活交流输电系统暂态性和稳定性良好的重要手段。
The optimal design of HVDC control and protection parameters in the case of large-scale ac and DC power system network is a valid measure to ensure achieving good transient and stable performance.
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can consider...
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can co…
第七章，研究了考虑输入控制量幅值约束的汽轮机调速系统的暂态稳定性问题。
In chapter 7, for the turbine speed governor system with input constraints, the transient stability problem is addressed.
第七章，研究了考虑输入控制量幅值约束的汽轮机调速系统的暂态稳定性问题。
In chapter 7, for the turbine speed governor system with input constraints, the transient stability problem is addressed.
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