研究了将能量储存系统用于提高电力系统振荡稳定性的潜力。
This paper discusses the potential of applying energy storage systems to enhance power system oscillation stability.
加大堆芯出口水力提升段的质量惯性能有效地抑制可压缩性密度波振荡,提高系统的稳定性。
By increasing the inertia of riser in the core outlet, the compressible density wave oscillation can be suppressed effectively and the system stability can be enhanced.
目前,电力系统主要采用电力系统稳定器(PSS)和FACTS阻尼控制器来抑制低频振荡,提高系统小扰动稳定性。
Currently, Power System Stabilizers (PSS) and FACTS damping controllers are widely used to suppress the low frequency oscillations and to improve small signal stability.
本文分析了电压逆变器型有源滤波器系统的稳定性,提出了不用阻尼电阻抑制系统振荡的方法。
The stability of VSI active power filter systems is analyzed, and a method for suppressing transient oscillations in these systems without inserting damping resistors is proposed in this article.
同时利用CMOS多谐振荡电路产生窄脉冲电流序列对前面处理过的非晶带进行激励,制作成灵敏度高、稳定性好、功耗低的弱磁场传感器。
A sensitive, stable and low power consumption magnetic sensor is constructed using a CMOS multivibrator circuit, in which a sharp pulse train current is applied to the treated amorphous ribbon.
为了抑制电力系统因负阻尼而产生的低频振荡,提高电力系统稳定性,设计了一种组合电力系统稳定器gpss。
A combinational electric system stable machinery GPSS is designed to fight back low frequency oscillation and to improve electric system stability.
针对甲醇电化学氧化过程中观察到的电化学振荡现象,建立了非线性动力学模型并对模型进行了线性稳定性分析和数值模拟。
We establish nonlinear dynamics model, make a linear stability analysis and numerical value simulation for the electrochemical oscillation phenomena observed in experiment.
在此基础上对振荡叶栅的稳定性进行分析。
Based on these experimental data an analysis on the stability of the oscillating cascade is made.
研究了操纵速率变化时对驾驶员诱发振荡(PIO)的影响,着重研究了以杆力变化率表示的驾驶员操纵速率对人—机系统稳定性的影响。
The influence of control rate on PIO is researched. When the limits of control rate of stick are changed the whole man-plane system's stability is also studied.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡,降低牵引传动系统稳定性。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
人们不仅关注传统意义上的供电可靠性、稳定性以及各种参量偏离标称值问题,而且也对诸如振荡和脉冲之类的动态扰动现象开始重视起来。
Not only the deviation of voltage and frequency from the rating value or other traditionally focused problems, but also the dynamic disturbance phenomena including oscillation and pulse are concerned.
动态仿真分析表明,设计出的最优励磁系统能够有效地增加系统的阻尼,提高系统的稳定性,且能够很好地抑制系统的低频振荡,并具有较好的鲁棒性。
Analysis of dynamic simulation shows that this optimal excitation system can increase the system damping, improving stability, with good low-frequency oscillation suppression and robustness.
叶片间的振动相位差和来流冲角对振荡叶栅的稳定性均有较大影响。
Stability of an oscillating cascade is affected to a great extent by the interblade phase and incidence angles.
稳定的单泡声致发光的参数主要由振荡形状稳定性、质量扩散平衡、组分的化学平衡和高的能量集聚等条件确定。
The parameter space of a stable SBSL is mainly determined by stable shape oscillation, diffusive equilibrium of mass, chemical equilibrium of components, and high energy focusing in its interior.
作动器速率饱和会产生附加的时间延迟,使系统稳定性大大降低, 并增加了驾驶员诱发振荡(PIO) 的趋势。
When actuators are saturated, the additional time delay would occur, which drastically reduces the stability margins of the closed loop and increasest her isk of pilot-induced oscillations (PIO) .
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化,讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
结果表明,自振荡不稳定性既可以在浓缩过程中出现,也可以在稀释过程中出现;
The result shows that the self-oscillating instability may occur both in the course of concentration and in the course of dilution.
提出了一个能呈现化学振荡和多重稳定性现象的双分子自催化反应模型。
A bimolecular autocatalytic reaction model which can lead to chemical oscillations and multistability phenomena is presented.
从自激振荡的稳定性入手,分别讨论了热声网络的周期时均和时变数学模型。
Based on the stability of self-oscillation of thermoacoustic engine. models of periodic average and time-varied are investigated respectively.
为了验证所提控制方案对于抑制系统振荡及提高系统稳定性的效益,对一个三机系统做了动态物理模型实验及数字仿真。
In order to verify the effective-ness of the control approach on the suppression of system oscillations and the enhancement of system stability, laboratory tests and digital...
采用自由振荡法数值模拟了平头、钝头外形的超声速俯仰振荡时间历程,并应用奇异分解线性最小二乘法辨识稳定性导数,得到动导数随马赫数和攻角非线性变化的规律。
The dynamic derivatives conception is used as the index for the vehicle stability, but it is looked as the function of angle of attack and Mach number to induced nonlinear characteristics.
全部采用石英振荡电路,具有极高的频率稳定性能。
The pure quartz shake circuit with a high stable performance to the frequency.
本文在传统射流流量计的基础上,设计了新的振荡腔结构,目的在于拓宽新型射流流量计的量程比,提高其工作的适应性和稳定性。
A fluidic flowmeter with new structure is designed in this work on the basis of the traditional ones in order to widen its measurement range.
采用高频振荡原理设计振荡电路,提高了稳定性和可靠性。
The design of high - frequence oscillate circuit can improve the reliability of character of operation and easy maintenance.
采用高稳定性的晶体振荡器,保证测量的精度和全输入信号的检查。
Adopt high stability crystal oscillator to ensure precise measurement and full signal input checking.
没有什么热不稳定性,也没有振荡。
电子时钟使用了石英晶体振荡器,较之于传统机械钟,具有走时更加准确,稳定性更加出色,使用十分方便,不需要经常调试。
Electronic clock used quartz oscillators, compared with the traditional mechanical clock, with more accurate, stability when more outstanding, is so easy to use, does not require constant debugging.
为了防止亚谐波振荡以及提高系统的稳定性和带载能力,设计了一种全区间分段线性斜坡补偿电路。
This paper introduces the theory of slope compensation and presents a piecewise linear slope compensation circuit for peak current mode boost DC-DC converter.
日式振荡技术,七块板电动调谐系统,出力大,稳定性好;
Japanese oscillation technology, seven-board motor tuning system with high output and stable operation;
日式振荡技术,七块板电动调谐系统,出力大,稳定性好;
Japanese oscillation technology, seven-board motor tuning system with high output and stable operation;
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