Abstract
With the continuous development of 5G (5th generation mobile networks) communication technology, increasing attention has been paid to the integration of 5G technology and vertical industry. Based on the consideration of power security, the large‐scale application of 5G in the power industry will start from the distribution grid and gradually extend to the high‐voltage power grid. There have been some powerful attempts to apply 5G technology in distribution grid automation, distribution grid relay protection, and distribution grid monitoring. This article will summarize the application of 5G technology in these fields, focuses on the analysis of possible problems in technical standards, network security, application costs, and signal coverage, and will propose reasonable prospects and thoughts on the integration of 5G technology and distribution grids.
Highlights
The electric power communication network is a valuable foundation supporting the development of the country’s electric power capacity
The emergence of 5G communication technology will qualitatively improve all aspects of the electric power communication network. 5G technology is expected to play the role of “connecting everything” in the power communication network [1, 2]
According to the technical requirements of distributed intelligent feeder automation proposed in the literature, rapid fault isolation achieved through remote control, and smart electronic equipment is desired, so the main communication method in the literature chooses the optical fiber-based communication method
Summary
The electric power communication network is a valuable foundation supporting the development of the country’s electric power capacity. In January 2019, the China Southern Power Grid took the lead in completing the 5G network distributed differential protection service test in Shenzhen This test showed that 5G technology fully meets the various services of grid control under the condition of ultralow latency. The emergence of 5G technology will dramatically change electric power Another notable feature of 5G technology is that the number of connections has increased from 10,000 to 1,000,000 per square kilometer, and it supports a data transmission capacity of 10 Mbps per square meter. 10 ms distance between the source and the node; that is, the core network has changed from traditional centralized to distributed, physically shortening the distance from the user so that 5G technology has a millisecond delay [14]. When the virtual network in a certain application scenario fails or is abnormal, it will not affect other virtual networks
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