Abstract. Based on the terminal communication access network evaluation optimization perception technology, completed the terminal communication access network analysis and evaluation optimization perception research. This paper presents a large data based on the network early warning analysis algorithm, develops a large data network early warning analysis model. Then puts forward the intelligent state prediction model and overhauls strategy based on large data, develops the intelligent state maintenance function of large data communication. Finally proposes a network security situation sensing model and evaluation method based on large data, develops a large data network security situational awareness model. According to these methods, we establish a highly efficient, responsive and reliable power terminal communication access network to improve the pre-discovery capability of the hidden trouble of communication network, reduce the accident rate and the seriousness of the accident and improve the quality of distribution network service.
Cable is an essential component of Electric Power Secondary System. Due to the low voltage power cables lay with communication optical cable in the same trench, while low voltage power cables working current is high, communication optical cable suffers huge incidents potential of fire accident. This proposal intent to develop a Wireless Environment Monitoring Equipment based on Lora Spread Spectrum. This equipment includes three subsystems: water lever monitoring subsystem, temperature monitoring subsystem, and gas monitoring subsystem. The system realizes automatic alarm by real-time measurement of the temperature, water leakage and harmful gas content of the cable trench and vertical shaft. Therefore, ensures normal and reliable operation state of the cable and improves the reliability of electric grid supplements.
This paper analyzes the wireless local area network existing safety and efficiency problem. It put forward the VPN tunnel technology to solve these problems. Theory explains that it is very the advantages of layer second tunneling protocol in a wireless local area network. This technology is proved to be reliable by Network Simulate 2 tool. It is proved that the technique is the advantage of high efficiency and safety.
With the expansion of the power grid scale, there are contradictory between the increasing speed of operation and maintenance personnel and the expansion of operation and maintenance scope. Once the operating environment changes, it is easy to bring on safety accidents. In order to solve those wire communication unreachable problem, this paper considers to develop a wireless environment monitoring system based on Lora spread spectrum technology, the system includes Lora terminal nodes, gateway nodes and the PC display system. In the system, the operating environment real-time measurement of the equipment is carried out to realize automatic alarm and improve power supply reliability of the power grid.
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