1) small signal stability
小干扰稳定性
1.
Effect of system parameter on small signal stability by eigenvalue sensitivity;
用特征值灵敏度法分析系统参数对小干扰稳定性的影响
2.
Through small signal stability analysis and transient stability simulation in a typical HVDC system(EPRI-36),the results show that some characters of closed-loop system on the basis of associated feedback control,such as angle stability,voltage accuracy and smal.
通过一个典型交直流电力系统(EPR I-36系统)的小干扰稳定计算和暂态仿真表明,关联测量分散励磁控制下的闭环系统在功角稳定性、电压调节精度以及小干扰稳定性方面均优于常规励磁附加PSS。
3.
Eigenvalue sensitivity analysis has been widely used in power system dynamic studies and the controller designs, becoming an indispensable tool in power system small signal stability analysis.
但是,绝大多数文献都只是分析系统中各个闭环控制及其参数对小干扰稳定性的影响,而一般系统参数(诸如运行参数)的作用却没有引起足够的重视。
2) small disturbance stability
小干扰稳定性
1.
This paper describes an overview on attained achievements and developments and the recent trend of small disturbance stability analysis and control of power systems,and comments on their mechanism and applicability.
叙述了电力系统小干扰稳定性分析和控制方面已有的研究成果和新进展,评述了它们的机理和适用性。
3) small-signal stability
小干扰稳定性
1.
When used for small-signal stability assessment of power systems,the method shows better mapping properties thanS-matrix method does.
提出了一种矩阵的部分特征值分析方法——多重Ｃａｙｌｅｙ变换法，这种变换用于电力系统小干扰稳定性分析，比Ｓ矩阵变换有更好的映射特性。
2.
Based on the important position of small-signal stability in modern power system,the paper gets the eigenvalues,the damping ratio,the frequency and the machine oscillation mode related ratio of system oscillation by modeling,simulating and computing to the systems.
鉴于小干扰稳定在现代电力系统中的重要地位,在对系统进行建模、仿真、计算的基础上,得到系统振荡模式的特征值、阻尼比、频率和机电回路比,并通过对多机系统的计算分析,研究电力系统稳定器(PSS)的配置策略对低频振荡的抑制作用,从而得出对电力系统小干扰稳定性能的改进办法。
4) 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。
5) 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。
6) 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。
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