Research On Routing Protocol Of Wireless Sensor Network For Smart Distribution Network

Smart distribution network has a broad application prospects in the power industry,the current domestic and international research on smart distribution network focused on energy efficiency,less pollution,artificial intelligence and so on.Smart distribution network is of great significance to the automation control,commercial operation and modern management services of the power grid,the research and technology innovation of smart distribution network to promote electric power industry is particularly important.At the present stage,there are still some problems in the security,processing and information sharing.It is an effective way to establish a comprehensive monitoring system for smart grid and an interactive platform for information feedback between power grid and users,with the combination of wireless sensor networks and communication network of smart distribution network.Wireless sensor network has the characteristics of large range dense distribution of nodes and decentralized distribution of nodes in the distribution network,which needs to solve the problem of energy utilization,stability and large-scale networking.In this paper,the overall structure of the wireless sensor networks and the routing optimization problem for the smart distribution network are studied,first,the overall framework of wireless sensor networks in smart distribution is designed,secondly,aiming at the demand of smart distribution network and the problem of quality of service,this papaer proposed the single routing algorithm(LHEED,The hybrid energy-efficient distributed non-uniform clustering algorithm based on the geographic location)and the cross layer routing algorithm(QoS-CLR,Cross-Layer Routing algorithm based on Quality of Service)for wireless sensor networks in smart distribution network.The application of wireless sensor networks in smart distribution network is still in the exploratory stage,this paper do some research mainly from the following aspects.First this paper analyzed the structure of smart distribution network terminal equipment,terminal equipment has the characteristics of wide distribution,huge quantity,complex working environment,unbalanced geographic distribution and so on,in order to adapt to the characteristics of the distribution network,according to the characteristics of wireless sensor networks structure,this paper designed the overall structure model of the wireless sensor networks for the smart distribution network.Secondly,according to the energy efficiency of wireless sensor networks for smart distribution network,through analyzing the principle of HEED algorithm and the shortcomings,a singe layer routing algorithm(LHEED)is proposed,which is suitable for the wireless sensor networks for smart distribution network.The algorithm is only studied in the network layer.The algorithm uses the idea of non-uniform clustering clustering the network,in the inter cluster routing phase to redesign the communication cost function,the simulation results show that the algorithm effectively extends the lifetime of wireless sensor networks for smart distribution network.Lastly,according to the problem of quality of service reliability of smart distribution network communication,this paper proposed a cross layer routing algorithm(QoS-CLR)in wireless sensor networks for smart distribution network,the reliability of wireless sensor networks for smart distribution network as the goal,based on the design of cross layer routing protocol stack,a cross layer routing algorithm was proposed,the algorithm research in network layer and the MAC layer,considering the location of the nodes into different clusters at the stage of cluster head election,in the inter cluster routing phase selecting the next hop node,the link quality information of the MAC layer is chosen as the basis of routing selection.Simulation results show that the proposed algorithm can effectivelyimprove the performance of wireless sensor networks data transmission for smart distribution network.