In the paper, the calculation model and assessment method for transmission line transient capacity are proposed.
提出了输电线路暂态载流量的计算模型和评估方法。
Combined with theoretical analysis, this paper presents the implementation methods developed for an on - line transient stability control TSC system.
结合理论分析，对所开发的在线暂态稳定控制系统给出了其实现方法。
It has been proved that the automatic running of the on-line transient stability analysis and control system based on real-time data from EMS is feasible in this way.
实践证明，该方法的提出，实现了利用EMS实时数据进行在线稳定控制的自动化运行。
A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.
提出了一种基于双端电压暂态信号小波变换的高压输电线路快速保护算法。
Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line.
基于行波的输电线路双端测距算法只用到到达故障线路两侧母线的第一个故障初始行波波头，其可靠性较高。
By controlling the parameters of FACTSinstalled on the line or bus with higher sensitivity. the transient stability of FACTS is improved.
通过对灵敏度较大的线路或母线上FACTS设备参数进行控制，以提高FACTS的暂态稳定性。
Simulations show considerable promotion in the transient stability limit on a transmission line after reclosing time optimization.
算例表明优化重合时刻可以大幅提高输电线路暂态稳定极限。
Based on the structure preserving model, according to the variation of transient energy in power network, line vulnerability index and outset vulnerability index are defined.
在结构保持模型的基础上，根据网络中暂态能量的变化规律，定义了支路及割集的脆弱性指标。
Since a mine pumping system can generally be simplified into a complicated pipe-line system in series, the transient process is simulated by a method of characteristic line.
根据矿井排水系统一般可以简化为串联复杂管路系统的特点，采用特征线法模拟其断电停泵的瞬变过程。
With this algorithm the transient short circuit current of HV distant transmission line can be easily calculated.
因而用该算法可以非常容易地计算在高压远距离输电线短路故障的暂态短路电流。
This thesis adopted single scanning algorithm which is of constant. Because the measurement time is transient, this kind of method is very suitable for high speed measurement on line.
由于本论文采用的单趟的扫描算法是一个常量级的算法，使得检测时间短暂，所以这种方法非常适合在线的高速检测。
When grounding fault happens at the time when current is zero, the transient value is too small, in order to prevent it, the paper brings forward the current increment method to select faulty line.
为防止在电流过零点附近发生的接地故障时的暂态量太小，论文提出利用电流增量进行故障选线。
Transient analysis of transmission line has recently been received more attention because operating speeds in high-speed digital electronics are increasing.
近年来随着高速数字电子设备运行速度的不断增加，有损传输线的暂态分析受到了广泛关注。
But there are few theories and methods for the analysis of the transient characteristics of DC line fault.
然而，目前对直流线路故障暂态特性仍缺乏系统、深入的理论研究。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题，给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
In this paper, an on-line monitoring device for fast transient overvoltages on substations is designed.
本文设计了一个变电站瞬时过电压在线监测系统。
Varying the transmission line length is used to test the effectiveness of these two controllers on transient stability enhancement.
通过变化传输线的线路长度来测试这两种控制器在加强暂态稳定性方面的效果。
Its principle is based on the transient characteristics of the line fault, which is the changes in the voltage and current caused by the travelling wave.
行波保护的原理基于线路故障的暂态特征——行波引起的电压电流量的变化。
Finally the paper computes transient response of transmission line with two typical boundary conditions.
最后用这种差分格式计算两种典型边界条件下的传输线暂态响应。
The procedures and equipments to test the transient disturbance generated by the automobile fan on the feeding line are introduced here.
介绍汽车用风机馈电线上所产生的瞬态骚扰测试程序和所需仪器及环境。
The research on the fault level of tie line is of significance for the security and stability evaluation of power system as well as the preventive control of transient stability.
研究联络线故障水平对电力系统暂态稳定性的影响，对于电力系统的安全稳定评估与校核，以及暂态稳定预防控制都有着重要意义。
The paper analyses some characteristics of transient computation on EHV long distance transmission line.
本文分析了超高压远距离输电线路电磁暂态计算的一些特点。
The joint time-frequency analysis provides more direct and comprehensive knowledge of the transient variation of pulse signals at any time and any point of the transmission line.
联合时频分析可以更直观、更全面地了解脉冲信号在传输线任意时间和任意位置的瞬态变化。
An artificial neural nets based on-line implementation to enhance power system transient stability by reconstruction is studied.
对如何借助人工神经网络理论在线实施利用改构提高电力系统暂态稳定水平进行了研究。
This method has excellent performance by contrast with decaying DC component based line selection method and wavelet pocket transient energy based line selection method.
与衰减直流选线法和小波包暂态能量法做了对比，突出了本算法的优越性。
First the zero sequence transient current signal sampled is enhanced, and then the signal enhanced is decomposed by using wavelet packet analysis to realize faulty line detection.
首先对采样的零序暂态电流信号做增强处理，然后利用小波包分析方法进行故障选线。
First the zero sequence transient current signal sampled is enhanced, and then the signal enhanced is decomposed by using wavelet packet analysis to realize faulty line detection.
首先对采样的零序暂态电流信号做增强处理，然后利用小波包分析方法进行故障选线。
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