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 fractal erosion of safe basin in a power system disturbed by a periodical load is studied, and the erosion extent induced by different disturbance values is numerically analyzed.
作者研究了在周期性负荷扰动下电力系统安全盆的分形侵蚀,通过数值仿真给出了不同的扰动值对安全盆的侵蚀程度。
Firstly, the mechanism of flicker disturbance and transfer rule of flicker in power system are discussed in this paper.
本文首先分析了闪变扰动源的闪变机理和闪变分量在电力系统中的传递规律。
This paper analyze the characters of some transient electromagnetic disturbance in power system, build a set of electromagnetic pulse simulator.
文章分析了电力系统中存在的一些瞬态电磁干扰及其特性,建立了一套电磁脉冲模拟器。
It was found that hidden failures in protection schemes caused the disconnection of power system elements in an incorrect and undesirable manner contributing to the disturbance degradation.
继电保护中隐性故障以不正确的和不期望的方式切除电力系统元件造成电力系统大面积扰动。
Using singular perturbation model, by the example of a simple power system losing stability in big disturbance, this paper analyses the mid-long term instability mechanisms affected by slow dynamics.
采用奇异摄动模型,通过一个简单电力系统在大干扰下发生中长期失稳的实例,分析了慢动态对系统中长期失稳的影响。
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。
With the enlargement of power system scale, power system economy has gained remarkable improvement. At the same time, the ability of resisting disturbance is weakened.
随着电力系统规模的不断扩大,电力系统经济性得到了显著提高,但同时也削弱了系统抗大扰动的能力。
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。
The power regulating function of system can overcome the disturbance and maintain the stability of the reactor after reactor power reaches the fixed value of power.
到达设定的功率定值后,系统可投入自动调节,克服扰动,维持反应堆稳定运行。
Proper program of excitation control is important in the improvement of the disturbance stability in power system.
采用合理的发电机励磁控制方案对改善电力系统扰动稳定性有着重要的作用。
Its superior filtering characteristics can be used in communications system. Especially in bioelectrical signal processing, it can be used to filter the disturbance caused by power supply.
它的优良的滤波特性除用于通讯系统外,特别适于在生物电信号处理中滤除由电源引起的干扰。
The power system is considered as a dynamic system that performs continuous non linear variation under small amplitude, wide spectrum disturbance.
文中电力系统被看作一个在小幅度、广谱的随机扰动下不断作非线性波动的动态系统。
The static bifurcation in electric power system under periodical disturbance is studied with singularity theory.
应用奇异性理论研究了电力系统在周期性负荷扰动下的静态分岔现象。
In hydraulic system linear models identification, a method using field test data under step disturbance of given power has been proposed in this thesis.
在水力系统线性化模型辨识方面,本文提出了使用给定功率阶跃扰动下实测数据进行辨识的方法。
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。
Smaller disturbance to the measured system, higher resolving power and ability of on-line measurement etc.
具有操作简单、省时省力、对测量系统干扰小、分辨率高、能在线检测等特点。
This data compression way could benefit electric power quality disturbance data saving and transmission, improve supervision system's performance and lower down the system cost.
这对于电力系统畸变、故障信号数据的存储、传输来讲,可以大幅节约成本,提高系统性能,增加经济效益。
In this paper, an introduction of its applications in power system transient stability analysis and control, planning of switching operation, and disturbance diagnosis is presented.
文中对多代理技术目前在电力系统暂态稳定分析与控制、倒闸计划和故障诊断等方面的应用做了概要介绍。
By using DC-DC power source, low drift operational amplifiers, optically coupled isolators and filter design, the system has a good characteristic of anti-disturbance.
通过采用高隔离度的DC - DC电源和低噪低漂移运放,使用光电隔离和滤波器等设计,采集装置具有了很强的抗干扰特性。
The construction of the underground water diversion and power generation system of Nuozhadu Hydropower Station is difficult and has a long construction period and many disturbance factors.
糯扎渡水电站地下引水发电系统不仅施工难度大,而且施工工期长、干扰多。
This thesis is mainly concerned with problems of power quality disturbance signal's analysis and classifies by rule-based expert system.
本文主要研究了应用规则基专家系统对电能质量信号进行分类。
A series of practical technologies for power supply anti disturbance in an industrial control computer system is presented from the Angle of a research and develop worker.
作为工控系统的研究开发者论述了一系列实用的工业控制机电源抗干扰技术。
A series of practical technologies for power supply anti disturbance in an industrial control computer system is presented from the Angle of a research and develop worker.
作为工控系统的研究开发者论述了一系列实用的工业控制机电源抗干扰技术。
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