1) small signal stability
小干扰稳定
1.
Study on small signal stability of East China Power Grid in 2007 based on NETOMAC;
基于NETOMAC的华东电网2007年度小干扰稳定研究
2.
Five typical and one special operational methods of East China Power Grid in the summer and winter of 2007 were used to study its small signal stability characteristics,and the Grid′s existing small signal stability mode of global schema is presented.
选取华东电网2007年夏季、冬季共5个典型运行方式和1个特殊运行方式,研究了华东电网2007年小干扰稳定基本特性,揭示了目前华东电网实际存在的全局模式小干扰稳定模式。
3.
A small signal stability dynamic model of induction wind generating set is established, a small signal dynamic stability analysis method for power system connected with large-scale wind farms is researched and the engineering application of this method is implemented.
建立了异步风力发电机组的小干扰稳定数学模型,研究了风电场接入电网后电力系统的小干扰稳定分析方法并实现了其工程应用。
2) small-signal stability
小干扰稳定
1.
Full state feedback H_∞ controller for improved small-signal stability of multi-machine power systems
提高电力系统小干扰稳定性的全状态H_∞控制器
2.
Transmission-line reactance is one of significant facts impacting on small-signal stability,adopting the classic second derivative of y with respect to x model of generator,through calculating eigenvalue sensitivity,this paper gets the line which is the most significant facts impacting on small-signal stability in power system.
针对输电线路电抗对系统小干扰稳定性的影响,采用发电机经典二阶模型,通过特征值灵敏度计算,指出对系统小干扰稳定性影响最大的线路往往是两互联系统联络线,同时提出了计算转折点处电抗值(X=0。
3) small disturbance stability
小干扰稳定
1.
The small disturbance stability of the South ChinaPower System with parallel AC/DC transmission lines from Tianshengqiao toGuangzhou is also analysed and several valuable conclusions have been presented.
本文选择和完善了包括双极直流系统中直流换流器、直流线路以及静止无功补偿装置、电力系统稳定器等在内的交直流并联输电系统小干扰稳定分析模型，并对合天生桥～广州交直流并联输电线路的中国南方电力系统的小干扰稳定性进行了计算分析，获得了几点有参考价值的结论。
4) dynamic stability
小干扰稳定
1.
In order to make clear and definite the effect of hydraulic system on power system dynamic stability,based on different models of hydraulic system,the linear model of multiple-machine used in power system dynamic stability analysis are presented,using both mathematics and physics analysis.
为明确水力系统对电力系统动态稳定性的影响,在不同精度的引水系统模型下,用数学推导和物理分析相结合的方法,导出了适用于电力系统小干扰稳定分析的多机系统线性化模型;比较和讨论了简化模型、刚性或弹性水击时的水力系统对水电站单机无穷大系统低频振荡的影响,结论为水力系统模型的精度对系统小干扰稳定性有较大的影响,为考察水力系统的动态特性在小干扰稳定中的作用提供了参考。
2.
The dynamic models of hydraulic system used in power system dynamic stability analysis are presented.
导出了用于电力系统小干扰稳定分析的水轮机模型和计及弹性或刚性水击时的引水系统模型。
5) small disturbance voltage stability
小干扰电压稳定
1.
To analyze the small disturbance voltage stability of a power system,the Thevenin equivalent circuit is used to represent the section of system seen from a load bus at any point of time,and a third order induction motor model paralleled with a constant impedance dynamic model is used to represent the bus load.
对电力系统在任一时间断面上从某个负荷母线向系统侧看进去的部分进行戴维南等值,并对负荷采用三阶感应电动机并联恒阻抗动态模型,分析该负荷节点的小干扰电压稳定性。
6) small-disturbance stability
小干扰稳定性
1.
The shortage of three excitation protection criterions applied currently is analyzed,which based on small-disturbance stability analys.
分析了目前所用的3种励磁保护判据存在的不足,指出这些保护判据或基于小干扰稳定性原理而未考虑发电机动态功角特性的严重变形,或未考虑发电机完全失磁后的测量阻抗与正常励磁下扰动后的测量阻抗具有较大的公共区间,从而可能使保护误动或拒动。
补充资料：摆放式干扰机(见通信干扰设备)
摆放式干扰机(见通信干扰设备)
hand-emplaced jammer
baifongshi gQnraoii摆放式干扰机(hand一emplaeed jam;ner)见通信干扰设备。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条