KEYWORDS: Power grids, Particles, Particle swarm optimization, Monte Carlo methods, Computer simulations, Reliability, Data communications, Wireless communications, Spatial learning, Multiplexing
In order to effectively improve the efficiency and reliability of power grid communication and promote the intelligent development of the power grid, a multi agent 5G communication terminal resource allocation method considering randomness has been proposed for the power grid. Considering the randomness factor, the Monte Carlo method is used to complete the random power flow calculation of the multi-agent 5G communication terminal of the power grid. On this basis, a multi-agent 5G communication terminal resource allocation model for the power grid is constructed, and a hybrid particle swarm optimization algorithm is used to solve the multi-agent 5G communication terminal resource allocation model for the power grid, achieving multi-agent 5G communication terminal resource allocation. The experimental results show that the proposed method has good resource allocation performance for multi-agent 5G communication terminals in the power grid, and can effectively improve resource allocation efficiency.
KEYWORDS: Data transmission, Inspection, Telecommunications, Data communications, Environmental monitoring, Network architectures, Wireless communications, Power grids
Under the ground that the next generation of power systems is constructing, our research work focuses on the core capabilities of power communication networks for transmission lines, including coverage, service-bearing capacity, flexibility and convenience, and technical security. We propose a convergence solution of heterogeneous networks to form a stable and reliable communication link based on 5G, ad hoc networks, and other technologies to solve the problem of poor network coverage in remote areas and realize data collection and remote control in areas without signal coverage. This system supports the establishment of intelligent monitoring and inspection of overhead transmission lines, offers an early warning service network system, and promotes the improvement of power digital space holographic perception and interconnection capabilities. Finally, we will realize an all-time communication named “anytime, anyplace, always online.”
Differential protection of distribution network has high communication requirements for reliability, time delay and delay jitter. Theoretically 5G can meet these requirements. However, real network test results show that there are problems such as burst large delay and burst packet loss for differential protection based on the current 5G network, and deterministic capability of the current network is poor. This paper first gives the real network test results of differential protection based on 5G, and then gives a general description of deterministic technologies and the possible solution to meet the requirements of differential protection.
With the construction of new power system, the number of new energy power stations, energy storage stations and other constructions will increase rapidly, which puts forward higher requirements for standardized operation and personnel safety in power infrastructure construction and operation inspection. The traditional safety management mode with on-site supervision as the main method no longer meets the requirements of current power grid scale, organization setting and the number of production activities. 5G edge IoT proxy communication terminal of power system is developed in this paper, which adopts the artificial intelligence technology of face recognition and safety helmet recognition, and uses the characteristics of 5G high speed, low latency, large connection and Beidou high-precision positioning, which can effectively expand the monitoring range and control ability. Using 5G edge IoT proxy communication terminal of power system to build an intelligent, all-round and information-based safety supervision and management system can effectively improve the safety supervision level of personnel at all levels of operation inspection and infrastructure construction site, realize the whole process safety control, risk analysis and early warning function of operation environment and process, and support the digital transformation of State Grid.
The State Grid actively promotes the development of a new power system. The internet of things for power transmission and transformation equipment, for example, is a significant way to open up the "last mile" of power grid communication. In this paper, we design a sensor terminal serial communication module to meet the internet of things business requirements for power transmission and transformation equipment while also realizing sensor data collection and reporting functionality. The results of the tests show that the serial communication module designed in this paper can help the sensing terminal and reliably report sensing data to the upper-layer access node.
The system design architecture of wireless sensor terminal is introduced in detail. The wireless sensor terminal is composed of M263 Series NuMicro MCU, bme680 sensor of Bosch and Lora wireless communication module. This paper comprehensively considers the functions of each module, communication reliability, power consumption and power saving, and expounds the design points and principles in detail. As the main control software, MCU is responsible for realizing the functions of driving and business processing, As an environmental sensor, bme680 can collect temperature, humidity, air pressure and other information. The communication protocol of Lora wireless communication module adopts the micro power wireless network communication protocol of the Internet of things for power transmission and transformation equipment of the State Grid. Bme680 is responsible for collecting environment information to MCU. MCU and wireless communication module interact with each other through serial port. The wireless communication module transmits data to and receives information from the sink node through wireless mode, so as to realize intelligent management of power equipment operation. Based on the realization of service functions, this paper focuses on the design of MCU software and wireless communication module, as well as the power consumption and power saving of sensor terminals.
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