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- Mean Fault Location Time 故障部位平均确定时间
- fault location time 故障探测时间,故障定位时间,故障部位寻找时间
- This paper presents the principle of optic time domain reflectometer (OTDR) and the fault location of optic fiber cable line by OTDR. 介绍了光时域反射仪(OTDR)的测试原理及其对光缆线路中经常出现的光纤故障点进行了分析,并简述了用OTDR测量时应注意的问题。
- Shunt fault with high resistance at the fault location. 高抵抗事故
- Fuzzy Logic System (FLS) is introduced for the fault location for the first time, and a new method for single-terminal location with power frequency is put forward based on the FLS. 首次把模糊逻辑系统(FLS)引入到高压架空输电线的故障测距中，提出了基于FLS的工频单端测距新方法。
- Second, we also present a new PMU-based fault location algorithm for multi-terminal transmission lines. 另外，因为电力输电线路路权难以取得的缘故，因此存在很多的多端分枝输电线路。
- The process for predicting fault location by using accoustic abnomality in standard layer includes two stages. 在用标准层声波时差异常法确定断层的位置时，首先对标准层声波时差进行趋势面分析，然后再分析残差等值线图。
- Fault locating is the prereguisite of fault clea-ring. 故障定位是电力系统事故处理的前提。
- In power system, fault location that influences voltage sags is randomly distributed determined by many factors. 实际电力系统中，线路故障点受诸多因素影响，具有随机不确定性。
- It is proved that the test system can fulfil the functions of function test and fault location. 实践证明,该测试系统能够较好的满足功能测试和故障定位的要求。
- Simulation experiment results show that the Relative Delay Penalty (RDP) of this scheme is better than those of conventional decentralized location schemes and the actual location time is far less than those of conventional decentralized location schemes. 仿真实验结果表明 ,该方案的RDP指标优于常规的分散式查找方案 ,实际查询时间开销更是远远少于常规的分散式查找方案
- Finally, two-terminal fault location has been constructed based on dynamic phasor model. 最后，本文在同杆双回线分布参数时变动态相量模型的基础上，构造了双端故障测距算法。
- Abstract： The basic structure of a new integrative fault location system for UHV transmission lines is presented. 摘 要： 介绍了新型超高压输电线路故障定位系统的基本结构，阐述了该系统的数据信息处理主要功能和实现技术。
- Finally,this thesis presents the initial design scheme of fault location system hardware to implement algorithm. 最后，本文给出了实现该算法的故障测距系统硬件的初步设计方案。
- The signal processing can be conveniently linked with the fault location by this method. 该方法还能将测量信号的分析处理和故障的定位很好地结合起来。
- By moving transfer mechanism of offset into that of die-cutter machine,locating time was availably increased to satisfy requirement of increasing machine speed. 通过将胶印机递纸机构移植到模切机的传纸部分,从而有效地提高了纸张的定位时间,以满足机器提速的需求。
- Based on data fusion,a new method for singlephase grounding fault location of distribution feeders in networks with ungrounded neutral is proposed. 提出了基于模糊信息融合的中性点不接地系统单相接地故障定位的新方法及其实现。
- A new adaptive fault location technique based on Phasor Measurement Unit(PMU) for parallel transmission lines is presented. 提出一种新的基于相量测量单元(PMU)在线计算输电线路参数的同杆双回线故障测距的自适应算法。
- XU Gui-zhi.The development of a device for single-phase-ground fault location in neutral ungrounded power system[D].Jinan:Shandong University,2001. [1]徐桂芝.;小电流接地系统单相接地故障测距装置的研制[D]
- Keywords: wavalet analysis, BP nervous network, small electric current ground systems, fault location,single phase to earth. 关键词：小波变换；BP神经网络；小电流接地系统；故障定位；单相接地
