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.
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。
Experimental results show that the system have better dynamic characteristics and stability.
实测结果表明,系统具有良好的动态特性和稳定性。
This thesis mainly discusses and studies the resonant characteristics of the mechanical resonance, modeling of the electromechanical resonant system and its close-loop stability in depth.
本文主要对机械振子的谐振特性和机—电谐振系统建模及其闭环稳定性等问题作了较为深入的讨论与研究。
Its operation characteristics and possible problems, such as power harmonic and system stability, are widely studied in the whole world.
其运行特性以及可能存在的电力谐波、系统稳定性等一系列问题是人们广泛关注的课题。
In order to obtain stable surface texture characteristics, the stability of acoustic system in the whole machining process is very important.
欲获得其稳定的表面纹理特性,声学系统在整个加工过程中的稳定性十分关键。
The characteristics of this system is the high-intergration, small volume, fast responding speed, high intelligence and stability and credibility.
该系统的特点是集成度高,体积小,反应速度快,智能化高,稳定性好和可靠性强。
The voltage stability of a marine power station depends on the voltage response characteristics of voltage regulating system of synchronous generator( s) of the station.
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电压响应特性。
Comparing with the large power system, power supply system of large companies has significantly different characteristics, and there has been relatively little research on its stability control.
相对于大型电力系统,大型钢铁企业供电系统具有明显不同的特点,对其稳定控制的研究相对较少。
The steady state voltage stability is concerned with both system characteristics and load characteristic.
电力系统的静态电压稳定问题是系统特性与负荷特性共同作用的结果。
Both regulating characteristics of on-load tap changer (OLTC) and load characteristics greatly impact power system voltage stability.
有载分接开关(OLTC)的调节特性和负荷特性对电力系统电压稳定性具有极大的影响。
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.
本文在对系统进行适当简化的前提下,采用“扰动信号反馈注入法”建立了系统的小扰动端口特性,为系统的静态稳定性分析奠定了基础。
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.
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。
For the characteristics of power system static stable, a smart voltage stability assessment and prediction model is proposed using support vector machine.
针对电力系统静态稳定运行的特点,提出了基于支持向量机的智能化电压稳定评估模型。
The system has characteristics of high stability, portability etc.
系统具有稳定性高、可移植性强等特点。
For the complex, time-varying characteristics of power system, a smart model for transient stability assessment and control is proposed.
针对电力系统运行方式复杂、时变的特点,提出了智能化暂态稳定评估与控制模型。
In this paper, the dynamic characteristics, stability control and analysis of multi-infeed HVDC transmission system are reviewed.
对多馈入直流输电系统的动态特性及稳定控制与分析进行了综述。
The characteristics of steam distribution system of a steam turbine under part-load conditions will affect not only the economy but also the rotor system stability of the unit.
部分负荷工况汽轮机的调节配汽特性不仅影响机组运行的经济性,而且直接影响机组轴系的稳定性。
Analyses of the impact of different load characteristics on static voltage stability with the V-P-and-V-Q curves of power system loads.
应用电力系统负荷的电压-功率特性曲线,分析了不同负荷的负荷特性对静态电压稳定性的影响。
The system makes the use, manage and maintenance of postage machines to be science and has the characteristics of open, easy operation, easy maintenance, high stability and efficiency etc.
系统具有分布性、开放性、易操作性、易维护性以及性能稳定和效率高等特点。
At actual usage, the system 'appears to the characteristics of easy operation, good stability, excellent function, and so on. Completely come to the design request of topic.
在实际使用当中,该系统体现出操作简单,稳定性好,性能优等特点,完全达到了课题的设计要求。
The frequency stability of a shipboard power station is decided by the speed response characteristics of its diesel engine speed governing system.
船舶电站频率的稳定性主要取决于柴油机调速系统的转速响应特性。
Based on the technical ventilation measurement, the stability, resistance distribution, and characteristics of main fans of the ventilation system in Qinan coal mine are analyzed in detail.
笔者在祁南煤矿通风技术测定的基础上,对该矿井通风系统的稳定性、通风阻力分布情况和主要通风机工作性能进行了详细分析。
Results show that the control system has better characteristics in a certain moment of inertia of the load such as responsibility, accuracy and stability.
结果表明,在一定的负载转动惯量下,控制系统具有较好的动态响应特性、准确性和稳定性。
The system stability is determined by analyzing the amplitude-frequency characteristics of closed-loop transfer function.
通过分析闭环传递函数的幅频特性,对系统的稳定性进行了判定。
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。
The drug delivery system established by the method has the characteristics of wide drug-carrying range, high drug envelopment rate and good stability and can reduce drug toxicity.
本发明方法建立的给药系统具有载药范围广、药物包封率高及稳定性好的特点,并可降低药物毒性。
The stability of truss cable structure in construction is analyzed and several design characteristics of this kind of structural system are concluded.
分析了张弦桁架的施工稳定性,同时总结了该类结构体系的一些设计特点。
Application results show that this system has the characteristics as high stability, reliability and easy maintenance.
应用结果表明,该系统工作稳定可靠,可维护性强。
The dynamic characteristics and the stability of power systems need to be carefully considered in power system design, planning, and its operation and control.
电力系统的系统设计、规划、运行和调度需要充分考虑系统的动态性能及其运行稳定性,即需要对其机电暂态过程进行仿真。
The random load characteristics in a sample power system were considered to develop a stochastic model for voltage stability.
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。
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