KEYWORDS: Network security, Computer security, Telecommunications, Design and modelling, Data communications, Power grids, Data transmission, Industry, Industrial applications, Security technologies
As the latest generation communication technology featuring high speed, low delay and massive access, 5G provides an efficient means of communication for the construction of new power systems. Based on 5G technology and combined with the characteristics of power grid, this paper studies terminal security encryption technology, remote monitoring and management technology, network probe monitoring technology. The Application of compressed transmission technology in differential protection of distribution network is realized. Build-in network probe to realize real-time monitoring of network quality has promoted the application of 5G technology in the power industry.
KEYWORDS: Data transmission, Data compression, Receivers, Data communications, Optical transmission, Optical fibers, Power grids, Fiber optic communications, Reliability, Network architectures
The differential protection of distribution network has good selectivity and quick action, but it is difficult to apply in areas where the laying rate of optical fiber is not high. The emergence of 5G communication technology with low delay and high reliability provides a new communication solution for the application of distribution network differential protection technology. However, the 5G distribution network differential protection has a large amount of differential current data in its application, which leads to the problem of large data flow and high cost of 5G communication terminals. This paper proposes a scheme of adding differential protection data compression transmission technology to the 5G terminal, which not only does not affect the differential protection service, but also saves the communication data flow, providing a reference for the wide application of 5G technology in differential protection in the future.
Aiming at the advantages of less I2C interface lines and simplified control mode, I2C interface is used to read the data of sensor equipment. Firstly, the sensor node is composed of six modules: power supply module, sensor module, calculation module, storage module, communication module and embedded software system, and the functions of these modules are described in detail. Then the master-slave devices corresponding to I2C drive are introduced; Then the I2C protocol and the functions of bme680 sensor used in this scheme are summarized, including the bus composition, communication principle and bus physical topology of I2C. The functions of bme680 sensor introduce bme680 sensor, pin layout and pin assignment. The whole I2C driver design includes the configuration process of bme680 sensor, read-write timing and driver design. The I2C bus device driver is designed, and the driver that reads the data of bme680 sensor device in the sensor node with the new Tang processor m263kiaae is implemented. The driver can successfully read bme680 sensing data.
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