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文章摘要
基于路径搜索的多节点低压电力线信道建模方法
A Multi-node Low Voltage Power Line Channel Modeling Method Based on Path Search
Received:July 20, 2017  Revised:July 20, 2017
DOI:
中文关键词: 电力网络拓扑  电力线信道建模  多节点  频率响应
英文关键词: power network topology, power line channel modeling, multi-node, frequency response
基金项目:
Author NameAffiliationE-mail
wang yi* Chong Qing University of Posts and Telecommunications wangyi81@cqupt.edu.cn 
deng ziqiao Chong Qing University of Posts and Telecommunications dengzq1993@163.com 
Wen Huian Chong Qing University of Posts and Telecommunications wensdayh.a@gmail.com 
Hou Xingzhe Chong Qing University of Posts and Telecommunications hhhxz@sohu.com 
Zheng Ke Chong Qing University of Posts and Telecommunications cqetzk@sina.com 
Ye Jun Chong Qing University of Posts and Telecommunications gtovictor@163.com 
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中文摘要:
      为进一步实现多节点网络通信环境的精确仿真与模拟,本文从传输线理论出发,提出了一种基于低压电力网络拓扑的多节点电力线信道响应的生成方法。依据电力网络拓扑,通过最短路径搜索算法获取主干路径,并采用基于广度优先的搜索算法得到分支线路的父子节点关系表,由深至浅地对节点等效阻抗逐一更新,最后通过网络级联获取传输参量矩阵,求取信道频率响应。该方法原理清晰简明,适用于对任意给定拓扑结构的低压配电网络与室内电力网络等环境。仿真与实验结果表明该方法在给定的电力网络拓扑下能够有效地对低压电力网络中多个节点间信道进行模拟。
英文摘要:
      In order to realize the accurate control and simulation of communication environment for the multi-node network, a method for the frequency response calculating of multi-node power line channels based on the low-voltage power network topology. According to the power network topology, the shortest path search algorithm is used to obtain the trunk path. The parent-child relationship table produced by the algorithm based on breadth-first search is to gradually update the equivalent impedance of the node on the branch line from deep to shallow. And finally the transfer function is solved by the network parameter matrix concatenation. The clear and concise method is applicable to the low voltage distribution network or indoor power network of any given topology and adapted to the various time-varying load impedance model in the future. Simulation and experimental results show that this method can effectively simulate the channels between multiple nodes in a given power network topology.
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