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automatic fault location
相关语句
  自动故障定位
     STUDY OF AUTOMATIC FAULT LOCATION SYSTEM IN THE DISTRIBUTION NETWORK
     配网中自动故障定位系统的研究
短句来源
  “automatic fault location”译为未确定词的双语例句
     AUTOMATIC FAULT LOCATION FOR UNDERGROUND DISTRIBUTION NETWORK
     地下配电网故障的自动定位
短句来源
     Fault Indicator Based Automatic Fault Location System of Distribution Network
     基于故障指示器的配电网故障自动定位系统
短句来源
     An automatic fault location method is proposed based on FTU after the circuit analysis of single line-to-ground fault in distribution networks.
     通过对配电网发生单相接地故障后馈线的电压、电流变化规律的分析,论文提出了基于馈线现场监控终端FTU的故障点智能定位方法。
短句来源
     In the method zero sequence voltage is discussed and new principle for automatic fault location and isolation based on the zero sequence voltage is presented in this paper.
     该方法以馈线电压变化量为故障点定位的主要判据进行故障点自动监测与定位,并迅速隔离故障区段,恢复正常区段的供电。
短句来源
     In this paper automatic fault location in the distribution network is discussed in the view of Pattern Recognition.
     从模式识别的观点出发 ,研究了 1 0kV配电线路故障区段的自动定位问题。
短句来源
更多       
  相似匹配句对
     AUTOMATIC FAULT LOCATION FOR UNDERGROUND DISTRIBUTION NETWORK
     地下配电网故障的自动定位
短句来源
     STUDY OF AUTOMATIC FAULT LOCATION SYSTEM IN THE DISTRIBUTION NETWORK
     配网中自动故障定位系统的研究
短句来源
     A Method of Fault Location in an Automatic Testing System
     某自动测试系统中实现故障定位的方法
短句来源
     Application of fault automatic location system in the oilfield distribution network
     故障自动定位系统在油田配电网中的应用
短句来源
     AUTOMATIC LOCATION FOR EARTH FAULT OF TRANSMISSION LINE OF CONVERTING STATION
     35kV变电站接地故障线路的自动查找
短句来源
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In this paper automatic fault location in the distribution network is discussed in the view of Pattern Recognition. Feature selection is done with the method of step by step discrimination. EBP algorithm realized in the SAS system can train samples efficiently. Results of test show that the method presented is applicable and efficient.

从模式识别的观点出发 ,研究了 1 0kV配电线路故障区段的自动定位问题。用逐次判别的方法进行特征选择 ;用误差后向传播 (EBP)算法 ,对网络进行训练 ;用训练好的网络 ,实现在线识别功能。测试结果表明 ,所采用的方法具有很强的适应能力 ,能准确地完成故障区段识别的任务。

Because the power cable is buried in the ground and its running environment is complicated, so the diagnosis of cable fault location is very difficult. The authors analyzed the shortage in both existing fault location equipments and methods, and a virtual instrument based power cable fault location intelligent equipment was designed. In this system the powerful function of high-level language and programming style of MS-Windows were fully utilized, at the same time the wavelet transform and correlation analysis...

Because the power cable is buried in the ground and its running environment is complicated, so the diagnosis of cable fault location is very difficult. The authors analyzed the shortage in both existing fault location equipments and methods, and a virtual instrument based power cable fault location intelligent equipment was designed. In this system the powerful function of high-level language and programming style of MS-Windows were fully utilized, at the same time the wavelet transform and correlation analysis methods were used to analyze the fault signal to implement the automatic fault location. Test results show that the correctness and accuracy of fault location can be improved by the presented system.

电力电缆埋藏于地下,运行环境复杂,因此进行电缆的故障诊断比较困难。文章分析了现有测距设备的不足和测距方法存在误差的原因,并设计了基于虚拟仪器的电力电缆故障智能测距仪。此测试系统充分利用高级语言的强大功能和Windows编程风格;并引入小波变换和相关分析方法对故障信号进行分析以实现故障的自动测距。试验结果表明,此系统可提高故障测距的正确性和精度。

With the increasing of power cable application in transmission and distribution system, the higher demand to cable fault location accuracy is necessary. The error for cable location used in the traditional impulse-flesh experiment is analyzed and wavelet transform and autocorrelation analysis are introduced into the traditional impulse-flesh experiment in this paper. Signal filtration and singularity detection can be realized by wavelet transform, restriction can be achieved through autocorrelation analysis....

With the increasing of power cable application in transmission and distribution system, the higher demand to cable fault location accuracy is necessary. The error for cable location used in the traditional impulse-flesh experiment is analyzed and wavelet transform and autocorrelation analysis are introduced into the traditional impulse-flesh experiment in this paper. Signal filtration and singularity detection can be realized by wavelet transform, restriction can be achieved through autocorrelation analysis. Furthermore, the principle of automatic fault location and the flow chart of program can be realized by the method presented previously. The result of real experiment shows that the method has enough accuracy of power cable fault location.

随着电力电缆应用的增多,对电缆故障测距的精度要求也不断提高。文中分析了行波法故障测距存在误差的原因,在此基础上引入小波变换和自相关分析。运用小波变换进行信号滤波和奇异性检测,运用自相关分析为前者提供约束条件,从而实现故障的自动精确测距,并给出了实现该程序的流程图。试验结果表明,此方法可取得较高的故障测距精度。

 
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