To resolve the problems caused by the unbalanced situations in system swing and the lacking in sensitivity of the relays in infinite power system,it proposes a practical adaptive determination of fault direction.
并提出了实用的自适应方向判据，以解决系统振荡引起的不平衡量的影响和无穷大电源系统中保护灵敏度不足的问题。
Dynamic price oscillation system of intermediate product of supply chain and its analysis of convergence;
供应链中间产品动态价格振荡系统及其收敛性分析
Adapative relaying to system oscillation;
系统振荡的自适应保护原理
On the basis of forming a frequency mathematical model of power source when the systemoscillation occurs,by utilizing the EMTP,the results of electrical parameters at the time of system oscillation in every operation condition have been calculated.
建立一种系统振荡时，在电源频率变化数学模型的基础上，用电磁暂态程序仿真计算出在各种运行方式下发生系统振荡时电气量变化的数据结果，并将其数据通过F2250微机式继电保护测试仪回放成模拟量波形，用以对保护装置进行在系统振荡条件下的性能测试。
All of the existing power swing blocking elements would cause, at different extent, delayed and blind elimination during the power swing.
目前距离保护中的振荡闭锁元件都不同程度地导致振荡中故障的延时及无选择切除 ,基于此 ,文中综合小波变换以及神经网络的突出优点 ,构建了一种新型的小波神经网络模型 ,并给出了其相应的算法 ,以此小波神经网络实现了高压输电线路距离保护中基于暂态信号的系统振荡闭锁元件。
Two first integrals for the Helmholtz oscillator
Helmholtz振荡系统的首次积分
The Effect of the Noise on Coherence Resonance in a Calcium Oscillations System;
钙离子振荡系统的噪声效应：相干共振
The equivalent impedance of coupling oscillatory system in high - frequency circuits;
高频电路中耦合振荡系统的等效阻抗
oscillating control servomechanism
振荡控制的随动系统
Inducement and Enhancement of Coherence Resonance in Chemical Oscillation System
化学振荡体系相干共振的诱导和增强
Research of On-line Early-warning System on Low-frequency Oscillation in Power System;
电力系统低频振荡在线预警系统研究
Chaotic Oscillation Control of Electric Power System Based on Inverse System Method;
电力系统混沌振荡的逆系统方法控制
forced oscillation [ vibration ]
【物】受迫振动[振荡]
Research of Damping Coupling Relation between LFO and SSO of Power System;
电力系统低频振荡和次同步振荡的阻尼耦合研究
The Simulation Study on Damping the Low Frequency Oscillation and SSR with TCSC;
TCSC抑制系统低频振荡与次同步谐振的仿真研究
Dynamic Simulation on Electro-Capillary Oscillation in ESR System
电渣重熔体系电毛细振荡的动态模拟
The Climatological Study of the Intraseasonal Oscillation of the Air-sea System;
海气系统季内振荡现象的气候学研究
The Application of the Prony Method in Restraint the Low Frequency Oscillation of Power System;
PRONY在电力系统低频振荡控制中的应用
An Investigation of the STATCOM-SMES in Damping Low Frequency Oscillations in Power Systems;
STATCOM-SMES阻尼电力系统低频振荡的研究
The Research of PSS on Damping Lower Frequency Oscillation in the Power System;
PSS在抑制电力系统低频振荡上的研究
The Constructive Role of Internal Noise on Intracellular Calcium Oscillations in a Cell System;
内噪声对细胞体系钙振荡的积极作用
Design of Dielectric Resonator Oscillator in the 5.8GHz RFID System
5.8GHz RFID系统中介质振荡器的设计
Dynamical Behaviors and Control of CSTR Oscillating Systems
CSTR振荡体系的动力学行为及控制