Real-time Secure Compression Method for Protection and Control Messages in 5G Power Distribution Networks

doi:10.3969/j.issn.1006-2475.2025.11.001

Abstract

Abstract:
Abstract: With the steady advancement of the new power system construction， using 5G communication networks to carry power distribution network protection and control service data has become a research and application hotspot in recent years. However， the traffic and security issues in 5G network operation have hindered the large-scale promotion of this technology. This paper proposes a joint design scheme for real-time protection and control message compression and encryption in 5G power distribution networks. Aiming at the data characteristics of GOOSE messages， an inter-frame compression method combining direct transmission and compression is designed. Considering the short packet characteristics of data to be encrypted and the real-time requirements， an improved design of dual session key pools and dual-threaded periodic key update mechanism is carried out based on the ZUC stream cipher algorithm. To address potential abnormal situations such as frame loss and out-of-order in 5G transmission， a key stream synchronization mechanism and a key pool restart mechanism are designed. The system is implemented relying on the domestic edge computing platform. The experimental results show that the proposed method fully meets the real-time requirements of protection and control services， significantly reduces the protection and control data traffic in 5G power distribution networks， and achieves autonomous and controllable system security. This paper provides a new idea for the promotion and application of 5G-based protection and control scheme in power distribution networks.

Key words: Key words: power distribution networks； protection and control； 5G； inter-frame compression； ZUC stream cipher algorithm； edge computing ,

CLC Number:

MEI Qin1, LIU Zhiren2, ZHAO Chenyang3, CHEN Yihan1, SU Mingrui3, WANG Gang3, WANG Junbo3. Real-time Secure Compression Method for Protection and Control Messages in 5G Power Distribution Networks[J]. Computer and Modernization, 2025, 0(11): 1-9.

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