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What is geodetic network monitoring? What is its technical core and engineering significance?
Apr 29 , 2025
Earth network monitoring is a comprehensive detection technology for grounding systems of power, railway, communication, petrochemical and other facilities. The core parameters include grounding resistance (R), conductivity (contact resistance) and soil resistivity (ρ). The grounding system forms a low-impedance path with the earth through metal conductors, discharging fault current in scen...
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All our signal loops are indoors, so why do we need to consider surge protection device?
May 14 , 2025
Although the entire data loop is installed next to the power loop, or is installed very close to the building's steel structure or lightning rod, the ground potential of the AC power supply of the communication interface equipment connected to the data loop is seriously unbalanced, so the data communication interface is easily damaged. The ways in which lightning can cause damage to electronic dev...
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What is geodetic network monitoring? What is its technical core and engineering significance?
May 28 , 2025
Earth network monitoring is a comprehensive detection technology for grounding systems of power, railway, communication, petrochemical and other facilities. The core parameters include grounding resistance (R), conductivity (contact resistance) and soil resistivity (ρ). The grounding system forms a low-impedance path with the earth through metal conductors, discharging fault current in scenarios s...
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Basis and related instructions for lightning protection classification of buildings
Jun 04 , 2025
Buildings should be divided into three categories according to their importance, nature of use, possibility and consequences of lightning accidents, and protection requirements. In areas where lightning strikes to the ground may occur, if one of the following situations occurs, it should be classified as a Class I lightning protection building: 1. Dangerous buildings used for the manufacture,...
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How is lightning formed?
Jun 09 , 2025
1. Atmospheric ionization characteristics: According to the ionization characteristics of the atmosphere, the atmosphere can be divided into the neutral layer, ionosphere and magnetosphere. A. Neutral layer: The neutral layer refers to the atmosphere from the ground to about 60 kilometers. Under normal circumstances, there are fewer charged plasmids in this layer, which is mainly composed of neutr...
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