Application of 5G to current differential protection of distribution network

Yuxiang LV; Yang YANG; Yawen DONG; Yucheng WANG

doi:10.11959/j.issn.1000-0801.2020032

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Application of 5G to current differential protection of distribution network

Power Informationization Column | 更新时间：2024-06-05

- Application of 5G to current differential protection of distribution network
- Telecommunications Science Vol. 36, Issue 2, Pages: 83-89(2020)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2020032
  CLC： TP393
- Published Online：2020-02，
  
  Published：20 February 2020
- 稿件说明：
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Yuxiang LV, Yang YANG, Yawen DONG, et al. Application of 5G to current differential protection of distribution network[J]. Telecommunications science, 2020, 36(2): 83-89.
DOI：

Yuxiang LV, Yang YANG, Yawen DONG, et al. Application of 5G to current differential protection of distribution network[J]. Telecommunications science, 2020, 36(2): 83-89. DOI： 10.11959/j.issn.1000-0801.2020032.

摘要

智能配电网建设随着国家电网公司“三型两网”战略的实施，正不断向网格化、多源化的配电物联网方向发展，传统的配电网保护以及馈线自动化已难以满足坚强配电网的自愈要求，电流差动保护由于其优越的速动性、灵敏性和选择性而被广泛应用，现有的应用方法多采用专用光纤通道、230 MHz/1.8 GHz电力无线专网等通信技术承载实现，但上述方式存在成本高、稳定性差、实时性低等多样化问题。提出了一种基于5G的配电网电流差动保护业务应用方案，该方案基于5G通信系统实现差动保护装置之间的采样数据传输，能够根据配电网拓扑变化动态调整差动保护配置，降低配电网改造成本及维护成本。

Abstract

Driven by the strategy of grid as a Platform

Hub

and Sharing as well as the construction of Energy Internet and Ubiquitous power Internet of Things declared by Sate Grid Corporation of China

the intelligent distribution network evolves towards Distribution Internet of Things in a gridding and multi-source manner.The traditional distribution network protection and feeder automation barely meets the self-healing requirements of a strong distribution network.The current differential protection is prevailing due to its favorable quick-acting

sensitivity and selectivity.The existing communication solutions baring protection signals includes:fiber channel

230MHz/1.8GHz private wireless network

etc.However

the above methods are usually costly and perhaps with poor stability and low real-time performance.An realistic baring scheme for current differential protection of distribution network over the fifth generation communication system (5G) was proposed

where the of sampling data transmission between differential protection devices was realized based on 5G new radio technology.Thanks to the advantages of low latency

high capacity

security

etc.

5G-based differential protection can dynamically adjust the configuration to accommodate the topology changes

and thus can reduce the transformation and maintenance cost of distribution network.

关键词

Keywords

references

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