The large amplitude power oscillation is harmful to reactor safety and is not allowed.
这种现象对反应堆的安全十分不利，是不能允许的。
Power System forced power oscillation is a kind of low frequency oscillation caused by persistent periodic small disturbance.
电力系统强迫功率振荡为持续的周期性小扰动所引起低频振荡现象。
Following up the change of some parameters in ac systems, it can regulate the active power transmitted by DC link and damp power oscillation in systems.
在交流系统受到扰动后它通过跟踪交流系统某些参数的变化来调节直流输送的有功功率，从而达到阻尼整个系统功率振荡的目的。
During the power oscillation of a power system, a damping active power is injected into the network from the DFIG machine via regulating the rotor excitation voltage Angle.
在系统发生功率振荡时，通过改变转子励磁电压的相角调节双馈变速风电机组输出与振荡相关的阻尼功率，达到使风电场能够改善系统阻尼的目的。
This paper puts forward a "Spectrum Analysis" method to analyse the random power oscillation in power system caused by external disturbance, and sets up a complete digital model.
本文提出了用“频谱分析”的方法分析外部扰动引起的电力系统随机振荡，并建立了完整的数学模型。
A new test signal method based approach to design power oscillation damping (POD) controller for TCSC is proposed, by which the bulky eigenvalue calculation of state matrix can be avoided.
提出了一种基于测试信号法的TCSC功率振荡阻尼(POD)控制器的设计方法，避免了计算量庞大的状态矩阵特征值计算。
The power system instability caused by oscillation under periodical load disturbance was analyzed.
分析了电力系统在周期性负荷扰动下的振荡失稳问题。
The regularity of the change of the unstable oscillation wave form and the structure of the power spectrum were analysed.
计算并绘出了非稳区域边界，分析了非稳振荡波形变化规律及其模结构。
Using pseudorandom oscillation technique, frequency characteristics in different power levels are measured in HFETR.
用伪随机振荡技术测量了高通量工程试验堆（HFETR）不同功率水平时堆的频率特性。
The thesis aims to apply an appropriate control on UPFC to achieve a fast suppression for power system oscillation after some disturbance.
本文通过对UPFC实施合理控制，以期望快速显著地平息扰动后系统的功率振荡。
An adaptive control method for chaos oscillation in power system is put forward in this paper.
提出了电力系统混沌振荡自适应控制的一种方法。
The distribution of laser beams' intensity leads to such important spatial parameters as oscillation modes of laser device, divergence Angle of laser beams, the power of laser beams, laser radius etc.
根据激光束的强度分布信息，可得到激光束的其他空间参数，如激光器的振荡模式、光束发散角、光束功率、光斑半径等重要参数。
Using this method, the oscillation modes and non-linear dynamic behavior of power systems subjected to large disturbances can be studied.
使用该方法，可以研究电力系统遭受大扰动后的振荡模式和非线性动态行为。
The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system.
所得结论对于电力系统低频振荡的抑制以及电力系统稳定运行具有重要的参考价值。
This paper discusses the potential of applying energy storage systems to enhance power system oscillation stability.
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。
The conclusion can provide reference to research into the causes of power system low frequency oscillation .
该研究结果对探讨电力系统低频振荡的产生原因具有一定的参考价值。
Fixing power system stabilizer on the governor of synchronous generator is an effective method to restrain low frequency oscillation.
在同步发电机组调速器侧装设电力系统稳定器是抑制电力系统低频振荡的有效措施。
Method of power system oscillation mode identification utilizing matrix pencil constructed from sampled data is presented.
分析了如何利用测量数据构造矩阵束并进行电力系统振荡模态辨识的方法。
Therefore, the beam quality can be improved and the oscillation light can be controlled by changing the proportion of the end-pumping power.
因此通过改变端面抽运功率的比例，提高光束质量，并实现对振荡光的控制。
Because of power systems being more and more complicated, besides low frequency oscillation by minus damp, there is also chaos oscillation that can not be dispelled by PSS in power systems.
由于电力系统的日趋复杂和庞大，电力系统除了因负阻尼引起的低频振荡外，还存在PSS不能消除的混沌振荡的危机。
Low frequency oscillation is harmful to power system security and stability, and as one of solutions power system stabilizer (PSS) can effectively restrain such a phenomena.
低频振荡是一种不利于电力系统安全和稳定运行的现象，而电力系统稳定器(PSS)可以有效抑制低频振荡。
After discussing the conceptions of power system average frequency and power system oscillation period.
探讨了系统平均视在频率及振荡频率的概念。
The characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model.
基于该模型，分析了激光器振荡频率偏移与输出功率变化特性。
Analyses of the power spectra and kinetic energy show that in the tropical atmosphere, the simulated 10 ~ 20 day oscillation is markedly distinct from the simulated 30 ~ 60 day oscillation.
模式资料的功率谱及动能的分析表明，10 ~20天振荡确实比30 ~60天振荡更突出地存在于热带大气中。
The PSS equipment is used to eliminate the low-frequency oscillation in the electric power system to ensure safe and stable operation of the electric power system.
PSS装置的应用是电力系统解决系统低频振荡的有效途径，是保证电力系统安全、稳定运行所必不可少的方法。
Some factors affecting the frequency and magnitude of power supply, such as supply voltage, duty of control signal, the resistance and capacitance of oscillation circuit are discussed.
讨论了一些影响放电电压大小及频率的电源参数，如供电电压、控制信号占空比、振荡电路的电阻和电容等。
The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.
传统的PSS使用本地可测量的发电机电磁功率、转速等作为输入信号以抑制低频振荡。
If there is chaos oscillation in the power systems, a fuzzy-neural forecast controller is designed and forecast control is realized to the chaos oscillation.
如果判断出系统存在混沌现象，则设计模糊神经网络预测控制器，实现了对电力系统混沌振荡的预测控制。
Parameter optimization of power system stabilizers is very important to restrain the low-frequency oscillation of multi-machine systems.
电力系统稳定器参数的优化对于抑制多机电力系统低频振荡具有非常重要的意义。
Parameter optimization of power system stabilizers is very important to restrain the low-frequency oscillation of multi-machine systems.
电力系统稳定器参数的优化对于抑制多机电力系统低频振荡具有非常重要的意义。
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