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In this paper, low frequency oscillations (LFO) in the model atmosphere are studied using the 10-year pentad-mean data simulated by the IAP GCM. 本文利用IAPGCM积分结果中10年候平均资料，研究了模式大气中的低频振荡现象。
In this dissertation, the accessional devices installed in the large dynamic elements for damping low frequency oscillations are named as the oscillation-damping device. 本文把在系统中各种大型动态元件中装设的用于抑制低频振荡的附加控制器统称为低频振荡抑制器。
Dynamic simulations are also conducted to examine the effect of STATCOMs and PSSs on the substation dynamic voltage responses and low frequency oscillations. 另外，并联补偿器藉由电压的动态响应情形，找出一组最佳的比例组合，来有效抑制超高压汇流排的电压振荡情形。
HE Yue-ying,CHEN Xue-yuan.Decoupling and equivalence method of studying low frequency oscillations of multi-machine power systems[J].Proceedings of the EPSA,1994,6(2):8-15. [5]何跃英;陈学元.;研究多机系统低频振荡问题的解耦等效方法[J]
In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system. 在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
A combined power system adaptive stabilized apparatus GPSS is designed to suppress low frequency oscillation and to improve power system stability. 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自适应稳定器GPSS(以下简称自适应稳定器GPSS).
The influence of inertia constant (H_D) of induction motor on low frequency oscillation (LFO) was studied. 研究感应电动机惯性时间常数HD对电力系统低频振荡(LFO)的影响.
One is the low bus voltage at Omei substation;and the other is the low frequency oscillation problem. 目前台电系统中存在两个主要问题：一个是峨眉汇流排电压过低的问题，另一个是潜藏在区域间的低频振荡问题。
The validity study of Prony analysis for low frequency oscillation in power system.Electric Power,2001,11(34):38-41. Prony算法分析低频振荡的有效性研究.;中国电力;2001;11(34):38-41
A combination power system hybrid adaptive stabilizer GPSS is designed to suppress low frequency oscillation and to improve power system stability. 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混合自适应稳定器(GPSS)。
A combination power system hybrid adaptive stabilizer GPSS is designed to suppress low frequency oscillation andto improve power system stability. 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混合自适应稳定器(GPSS)。
The validity study of Prony analysis for low frequency oscillation in power system [J].Electric Power, 2001, 34(11): 38-41. Prony算法分析低频振荡的有效性研究[J].;中国电力;2001;34(11):38-41
The validity study of prony analysis for low frequency oscillation in power system[J].Electric Power,2001,11(34):38-41(in Chinese). Prony算法分析低频振荡的有效性研究[J].;中国电力;2001;11(34):38-41
Analysis of Low Frequency Oscillations Using HHT Method 基于HHT的电力系统低频振荡分析
Finally, we try to find out the reason of low frequency oscillation of a CMSDA ( Cascode Multi-Stage Distributed Amplifier ) and the way to solve this problem. 再来，我们利用一个设计失败的多级串叠分布式放大器来讨论低频震荡的产生原因与解决方法。
Thus it realized effective extraction of all parameters of LFO signals and put forward a new explanation of the mechanism of very low frequency oscillation. 其次运用该文推导的阻尼比计算公式提取各振荡模态分量阻尼比，从而实现低频振荡模态参数的有效提取。
A new type of extended small signal stability region (E-SSSR) is presented so that it can consider the low frequency oscillation phenomena captured in power system operations. 引入一种新的扩展小扰动稳定域的概念,以弥补原有小扰动稳定域无法考虑电力系统(超)低频振荡的不足。
Because of the biggish inertia of boiler, the disturbance of combustion ratio cannot invoke power system low frequency oscillation of resonance mechanism. 由于锅炉具有很大的惯性，锅炉燃烧率扰动很难引起电力系统发生共振机理的低频振荡。
This is effective in preventing low frequency oscillation (of a few Hz or less) and has a particular effect on the rising waveform for a step change in pressure. 这有效地防止了低频震荡（几个赫兹或者更低），并且对压力小幅变化的上升波形产生特别的影响。
Besides, the effect of power system stabilizer (PSS) in enhancing the damping during dominant low frequency oscillation mode of power grid is researched. 研究了电力系统稳定器对系统主导振荡模式的阻尼作用。