Network communication method between intelligent distributed feeder automation terminals

Abstract

A network communication method between intelligent distributed feeder automation terminals comprises the following steps: arranging network functions and parameters through a 5G slice network design interface, and designing uRLLC slices meeting power business requirements of the intelligent distributed feeder automation terminals; employing a 5G slice network as a communication channel, optimizing a data link through the 5G slice network to minimize link transmission hops, and completing the joining and leaving of a dynamic group model through IGMP protocol messages of a power terminal device group and a distributed feeder automation terminal; employing a 5G slice network as a communication channel; when a static group model of a power terminal equipment group changes, enabling a core network control plane to generate a group member forwarding strategy based on group member information and issue the group member forwarding strategy to a user plane function UPF, and enabling the user plane function UPF to forward a multicast message in the group based on the group member forwarding strategy. According to the invention, real-time transmission, analysis, on-site processing and application of mass data are realized, and rapid processing of distribution network faults can be realized.

Description

technical field [0001] The invention relates to the field of electric power system and automation thereof, in particular to a 5G-based network communication method between intelligent distributed feeder automation terminals. Background technique [0002] The current power communication facilities are composed of communication equipment, overhead lines, ground optical fiber and other equipment and facilities. The power communication network is distributed inside and outside the station building and overhead. It requires high-bandwidth and low-latency communication based on intelligent video image recognition and monitoring technology. The internet. The mobile, broadband, and low-latency applications of unmanned aerial vehicle inspections, mobile smart wearable multimedia interactive inspections, and other equipment that may be implemented in the future also put forward high-bandwidth, low-latency, and large-capacity communication network requirements for communication network...

AI Technical Summary

Problems solved by technology

Distributed FA (feeder automation) operates on fault location, isolation and recovery through the coordination and cooperation of adjacent terminals. The following problems: (1) Poor interaction between intelligent distributed FA and power terminal equipment groups: In the current application process of intelligent distributed FA, the information interaction and mutual cooperation between intelligent distributed FA and power terminal equipment groups have not been properly resolved , the intelligent distributed FA and the centralized FA of the distribution automation master station operate independently, lacking unified coordination capabilities; (2) The communication transmission capacity of power grid control services is not large, but the requirements for real-time and reliability are very high. Electrical protection, precise load control, distributed power regulation, etc., have high requirements on the synchronization and reliability of data transmission, the end-to-end delay must be less than 10ms, and the reliability of data communication must reach 99.99%. Under the existing 4G communication conditions The intelligent distributed FA is difficult to meet its requirements, and if the fiber is radiated, there are problems such as high cost and large amount of reconstruction work

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