行波测距

XC-2000行波测距装置测距成功率的提高

Improvement of Success Ration of XC-2000 Travelling Wave Fault Location Device

这些特点使得基于双回线环流量的单端行波测距具有双端测距效果。

These features make the one-terminal travelling wave fault location based on circumfluence component of double-circuit lines has the same effect as two-terminal one .

东北电网500kV行波测距装置组网运行的实施

The Implementation of Traveling Wave Locating Device to 500 kV Networking Operation for Northeastern Grid

为减小全球定位系统（GPS）同步时钟误差对双端行波测距的影响，使电缆故障在线测距能达到实用化水平，提出一种能够获取精确时标的高速同步采样方案。

A synchronized high-speed sampling scheme is proposed , which can obtain high precise time to diminish the influence of GPS ( Global Position System ) clock error on two-terminal traveling wave fault locating for implementing on-line power cable fault locating .

利用EMTP仿真工具，建立简单双端系统，研究了故障位置、故障类型、接地电阻和不同长度线路对电流行波测距仿真结果的影响。

Influence of fault type , fault resistance , line length and fault inception angle on fault location result using current traveling wave has been studied by using EMTP .

理论分析和EMTP结果表明，无二抽取环节的小波变换行波测距算法能够有效提高测距精度。

The theoretical analysis and EMTP ( ElectroMagnetic Transient Program ) simulations show that , the precision of the traveling wave fault locating can be improved without down-sampling by two .

基于小波变换技术的混合电流电压行波测距系统在750kV输电工程中的应用

Application of Fault Range Finding System with Mixed Travelling Wave of Current and Voltage Based on Wavelet Transformation Technology in 750 kV Power Transmission Project

电力电缆测试是电气设备故障检修中的一项重要工作，首先总结了电缆行波测距法的相关原理，并通过EMTP软件对电缆故障测试方法进行仿真，分析了相应故障测试信号的变化规律。

Electric power cable test is an important work in electrical equipment troubleshooting . Firstly , correlation principle to travelling wave fault location of cable is summarized , simulation of cable fault test method is carried out and the change law of fault test signal is analyzed .

基于小波变换的行波测距式距离保护原理的研究

Wavelet transform based distance protection scheme with travelling wave fault location

同时提出了行波测距的新算法&小波变换法。

At the same time , a new algorithm'wavelet transform'is proposed .

几种行波测距算法的比较

Comparison of several algorithms of travelling wave based fault location

行波测距式非线性距离保护原理的研究

Research on Non-linear Distance Protection Principle Based on Traveling Wave Fault Location

基于视在波速的电缆故障行波测距法

Cable Fault Location Based on the Apparent Traveling Wave Velocity

考虑母线分布电容影响的单端行波测距法

Single Ended Fault Location Approach Considering Bus Distributed Capacitance Effect

输电线路故障时的暂态行波测距

Measurement of Distance By Transient Travelling Waves In Case of Transmission Line Failure

利用小波变换的双端行波测距新方法配电混合线路双端行波故障测距技术

A new double terminal method of travelling wave fault location using wavelet transform

现代行波测距技术及其应用

Modern fault location techniques based on fault generated travelling waves and their applications

输电线路故障行波测距网与输变电地理信息系统集成

The Integration of Fault Location Network on Traveling Waves and Geography Information System

一种基于行波测距的输电线路接地故障距离保护方案

A New Distance Protection Scheme Based on Travelling Wave Fault Location for Grounded Faults

利用单相自动重合闸确定行波测距的波速

Determination of Traveling Wave Velocity Using Single-phase Auto-reclosure

输电线路接地故障行波测距新方法

A new technique of earth fault location

理论分析和装置试验结果表明，在此提出的用于A型行波测距技术是可行和有效的。

Theoretical analyses and test results show that the techniques proposed are feasible and effective .

现代行波测距技术及系统在绥化电网中的应用

Application of modern travelling wave distance measuring technology and system in electric network of suihua

小波变换的二抽取环节对行波测距精度的影响

Influence of down-sampling by two in wavelet transform on precision of traveling wave fault locating

高压输电线路行波测距的行波波速确定方法

Travelling wave velocity measurement in fault location based on travelling wave for high voltage transmission line

基于小波变换的输电线路行波测距研究

A study of fault distance measurement with travelling wave for transmission lines based on wavelets transform

基于MCU+CPLD结构的行波测距装置设计

Design of Fault Location Device on Fault Generated Travelling Waves Based on MCU + CPLD Structure

在现有行波测距装置的基础上，提出线路受雷击和出现短路故障的识别新方法。

Research on overvoltage output of SPWM inverter after short-circuit fault disappears in a short time ;

输电线路单端行波测距法和双端行波测距法的对比

Study on Single Terminal Method and Double Terminal Method of Traveling Wave Fault Location in Transmission Line

基于B/S模式的行波测距系统在地区电网中的应用

Application of B / S Mode Based Traveling Waves Fault Location System in the Regional Power Network