| AT供电牵引网故障测距仿真研究 |
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| 引用本文： | 杨丰萍,王喜燕. AT供电牵引网故障测距仿真研究[J]. 华东交通大学学报, 2012, 0(5): 34-37,43 |
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| 作者姓名： | 杨丰萍 王喜燕 |
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| 作者单位： | 华东交通大学电气与电子工程学院,江西南昌330013 |
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| 摘 要： | 根据接触网的特点和行波故障测距原理,采用了D型行波故障测距法.利用电磁暂态仿真软件ATPDraw搭建了AT供电方式下的仿真模型,然后对故障暂态电流运用小波分析工具进行处理,以检测暂态电流初始行波波头从而实现测距目的.对A型测距法和D型测距法进行比较知D型测距法测距更精确而且受到牵引网结构的影响更小.特别是存在分支站场的牵引网中,D型测距法完全不受分支点反射行波的干扰,可以单独使用实现行波保护.
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| 关 键 词： | 接触网 行波 小波分析 故障测距 |
Simulation Research on Fault Location of AT Traction Power Supply |
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| Yang Fengping,Wang Xiyan. Simulation Research on Fault Location of AT Traction Power Supply[J]. Journal of East China Jiaotong University, 2012, 0(5): 34-37,43 |
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| Authors: | Yang Fengping Wang Xiyan |
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| Affiliation: | (School of Electrical and Electronic Engineering,East China Jiaotong University,Nanchang 330013,China) |
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| Abstract: | According to the characteristics of the catenary and traveling wave fault location principle,the paper adopts the method of D-type traveling wave fault location.It builds the simulation model in the AT power supply by using the electromagnetic transient simulation software ATPDraw,and studies fault transient current by wavelet analysis in order to detect the spiral wave tip of transient current initial traveling wave for ranging.After comparing A-type method with D-type method,it finds D-type is more precise and less influenced by traction network structure.Especially in the traction network of a branch station,D-type ranging method is entirely free from the interference of reflection traveling wave form the branch point,which can be used alone to achieve the traveling wave protection. |
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| Keywords: | catenary traveling wave wavelet analysis fault ranging |
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