阻尼振荡

In this dissertation, dynamic phasor method based on the critical damping adjustment is developed to eliminate the numerical oscillation caused by the changes of the network configuration.

分析了基于梯形法的动态相量仿真的数值振荡问题，结合现有的算法和动态相量法的特点，讨论了基于临界阻尼调整法的动态相量法。

Damping power swing is one of the main functions of FACTS controllers.

阻尼系统的功率振荡是FACTS控制器的主要功能之一。

April showers,ie short periods of rain alternating with fine weather.

可以看出，"短"拦截，不适当的阻尼系数和高的"a"值都会发生振荡的响应曲线。

It can be concluded that the slipping of phase interfaces or the viscous sliding of grain boundary, dislocation's oscillation, the infinitesimal plastic deformation that was caused by the difference of elastic module and heat expansion coefficient between phases of the alloy yielded the damping of the alloys.

研究表明合金的阻尼是由合金晶界和相界面滑动、位错振荡以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

"Damping: In physics, the restraint of vibratory motion, such as mechanical oscillation s, noise, and alternating electric currents, by dissipating energy."

阻尼：物理学中，指因能量耗散使振荡、噪音、交流电之类的振动所受到的遏制。

It will be seen that short engagements inadequate damping and high values of "a" result in oscillatory responses.

可以看出，"短"拦截，不适当的阻尼系数和高的"a"值都会发生振荡的响应曲线。

The objective of DC power modulation is to damp the relative swing of angle and frequency of the two areas from COI.

直流输电线路功率调制的目标是阻尼区域COI功角和频率间的相互振荡。

With large-scale power system being interconnected and lots of high amplificatory multiple fast static exciters being equipped, the damping of system oscillations is severely reduced and even minus.

大规模电力系统互联以及高放大倍数快速励磁装置的采用，使得系统对振荡的阻尼大大减弱甚至变为负值。

To improve the system damping, the supplementary control of UPFC is proposed, with its input as the active power or the bus voltage angle difference of the tie line, and its output as the modulation signal to the main control.

UPFC的辅助控制则通过线路功率反馈或母线电压相位差反馈，产生控制信号以调制前述各定值控制中的参考值，如母线电压调制或线路功率调制，以增加系统阻尼，平息持续振荡，并通过小干扰分析考察了辅助控制的效果。

Simulations validate the good qualities in ensuring the stability.of the inverter when load is changed and minishing harmonious component of the output voltage.

仿真证明该滤波器既具有负载变化时电源稳定的优点，又有分离式谐振阻尼LC输出滤波器对振荡的良好的抑制作用，具有较高的输出电压波形质量。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。