计及通信资源优化的电力线载波通信路由算法研究  

Research on power line carrier communication routing algorithm considering communication resource optimization

作　　者：王新刚 赵舫 Wang Xingang;Zhao Fang(Electric Power Research Institute of State Grid Shanghai Electric Power Co.,Ltd.,Shanghai 200051,China)

机构地区：[1]国网上海市电力公司电力科学研究院

出　　处：《电测与仪表》2019年第22期79-83,共5页Electrical Measurement & Instrumentation

摘　　要：基于电力线载波技术的用电信息采集系统实现全网信息可交互,为负荷需求侧响应、预付费管理、配变监测分析等业务的数据和控制指令提供必要的通信通道,是电力系统实现智能化的关键技术之一。随着电网规模的增大、业务类型和数据量的增多,无论是窄带载波还是宽带载波都将呈现出信道资源紧张,传输能力下降的问题。为保障用电信息采集数据的准确可靠传输,基于业务区分服务模型,提出了一种计及通信资源优化的电力线载波通信路由算法。算法实现了对不同类型业务的快速分组和传输路径区分计算。根据电力线载波通信网络当前资源现状,同时考虑不同业务类型的QoS需求而制定多目标函数,使业务能够全局优化使用通信资源,在一次路由中满足多服务质量需求。通过实验仿真,证明了所提出算法在优化网络资源方面具有较优性,并能够有效避免网络拥塞和传输数据丢失的发生。As one of the key infrastructures for the realization of smart grid in power system,the power information acquisition system based on power line carrier technology can realize the exchange information in the whole network,It provides necessary communication channel for the data and control commands for the load demand side response,prepaid management,distribution monitoring analysis and other services.With the increasing of the size of the power grid,the types of services and the amount of data,both narrowband power line carriers and wideband power line carrier technologies must face the problem of tight channel resources and reduced transmission capacity.In order to ensure the accurate and reliable transmission of monitoring data by smart meters,based on the service differentiation service model,this paper proposes a power line carrier communication routing algorithm that takes into account of the communication resource optimization.The algorithm implements fast packet and transmission path calculation for different types of services.According to the current resource status of the power line carrier communication network,and considering the different QoS requirements of different service types,a multi-objective function is established.Based on the model,different types of service can globally optimize the communication resources,and meet multiple QoS requirements during the routing calculation.It is proved that the proposed algorithm is superior in optimizing network resources,and can effectively avoid network congestion and transmission data loss through experimental simulation.

关 键 词：电力线载波 用电信息采集系统 多业务区分服务 服务质量 

分 类 号：TM933[电气工程—电力电子与电力传动]