The traveling wave fault location has high reliability accuracy and anti-disturbance capability , and it also immunes from the fault resistance and the neutral grounding modes.
行波测距法具有较高的可靠性和精度,抗干扰能力强,且不受故障电阻及系统运行方式的影响。
In fault location system based on traveling wave, the measurement accuracy of traveling wave velocity influenced the fault location accuracy to a certain extent.
行波故障测距系统中的行波波速测量的准确性在一定程度上影响了行波测距的精度。
This paper presents a new single-end fault location device based on traveling wave, detailedly describing the design of its hardware and software as well as the research on fault location method.
为此,提出了一种基于行波法的单端故障定位装置的开发思路,并详细介绍了该装置硬件、软件的设计工作及故障定位方法的研究。
By detecting signal strangeness and reducing signal noise, the paper arrives at the maximum value of the detected signal, thus the fault location of the traveling wave signal is achieved.
通过对信号奇异性的检测和对信号的消噪,提取出了被检测信号的模极大值,进而实现了行波信号的故障测距。
The spectra of fault induced traveling wave is related to the fault distance, therefore the spectra of fault induced traveling wave can be utilized for fault location.
输电线路故障行波频谱与故障距离之间存在数学关系,故利用故障行波频谱可以实现故障测距。
The application of transmission line fault location based on traveling wave greatly improves the accuracy of line fault location, and makes it convenient to search fault and make urgent repairs.
输电线路行波测距装置的应用,极大地提高了输电线路的测距精度,给线路巡线和抢修带来极大便利。
Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.
行波色散是造成故障测距误差大的重要原因:利用行波故障定位时要考虑采用多相行波数据。
Correct identification and detection of fault traveling wave essential to fault location.
正确识别和检测线路故障后的行波信号是实现行波故障测距的关键。
To solve the problem of the fault location in distribution networks, a fault location method is suggested for the single-phase grounding fault based on C-type traveling-wave theory.
为解决配电网故障定位问题,使配电网故障定位自动化,以减少巡线工作量和用户停电时间,提出了利用C型行波法对单相接地故障进行故障测距的方法。
The practical problems in the fault detection and fault location using the wavelet transform, such as the wavelet basis function, the initial data, the velocity of traveling wave are studied.
针对小波变换在故障检测与测距中应用的实际问题如小波基函数、小波变换初始数据、行波波速的选取等进行了研究。
The practical problems in the fault detection and fault location using the wavelet transform, such as the wavelet basis function, the initial data, the velocity of traveling wave are studied.
针对小波变换在故障检测与测距中应用的实际问题如小波基函数、小波变换初始数据、行波波速的选取等进行了研究。
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