at供电方式牵引网行波故障测距分析

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1、目录目录第一章绪论..............................................................11.1选题背景及意义...................................................11.2国内外技术研究现状...............................................21.2.1阻抗法......................................................21.2.2行波法.........

2、.............................................31.2.3行波故障测距特点及行波信号提取..............................51.2.4现有行波测距设备............................................61.3本文的主要工作...................................................6第二章AT牵引供电系统及数值计算.........................................

3、..82.1牵引供电系统简介.................................................82.2牵引网供电方式...................................................92.3AT供电方式牵引网数值计算........................................102.3.1牵引网阻抗计算.............................................102.3.2牵引网线路电容参数计算...............

4、......................162.3.3牵引网线路电感参数计算.....................................182.4本章小结........................................................20第三章行波理论在故障测距的应用.........................................213.1行波基本理论.....................................................213.1.1单根导

5、线的波过程...........................................213.1.2波阻抗与波速度.............................................223.1.3行波的折射与反射...........................................233.2行波的模量分析..................................................253.2.1三相输电线路模量分析..............................

6、.........253.2.2AT供电牵引网的模量分析.....................................283.3分布式参数线路中行波的传变特性...................................303.3.1行波的衰减和变形...........................................303.3.2行波通过串联电感和并联电容.................................313.4利用行波故障特性的小波分析.........................

7、.............363.4.1信号奇异点的检测...........................................373.4.2小波模极大值去噪法.........................................383.5本章小结........................................................39第四章实例仿真分析.....................................................40III目录4.1EMTP/AT

8、P简介....................................................404.2AT供电方式的牵引网建模..........