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With the continuous advancement and development of the economy, people's living standards continue to improve, and the power supply of cabinets is growing faster in the industry. Next, let's analyze the contents of the lightning arrester voltage change caused by electric shock buildings.
1. Loop induced overvoltage
Since the network system arranges a large number of conductor lines in the building, the layout of these line networks is complicated, and many loops are formed in different spatial positions inside the building. When the building is struck by lightning or lightning discharge in the vicinity, it will be in the building. The internal space generates a pulsed transient magnetic field. This rapidly changing magnetic field interlinks these circuits, which induces a transient overvoltage in the loop, jeopardizing the electronics connected to the loop.
2. Line induced overvoltage of power surge protector
(1) Static induction mainly means that the overhead line is located near the lightning strike point, and the thundercloud group is filled with electric charge in the pilot channel, which generates a large amount of opposite charge to the electrostatic induction of the overhead line. When the main discharge of the thundercloud begins, the charge speed in the thundercloud is neutralized. Therefore, the originally bound charge on the overhead line is quickly released to form a transient overvoltage wave. This wave propagates to the overhead line at a speed close to the speed of light, and the network equipment that invades the line termination damages it.
(2) This powerful inductive electromagnetic field will be directly induced on the power line or network communication equipment, forming an induced overvoltage into the network system and damaging the network equipment. The high-intensity lightning discharge can generate electromagnetic induction to the network system within 1KM of the lightning strike point, causing damage to the system equipment.
3. Coupling and transfer overvoltage of cabinet power supply
Transient high voltage or overvoltage caused by lightning strikes can often be coupled or transferred to network equipment through network lines, causing damage to the equipment.
In short, we have analyzed the content of the lightning arrester voltage change caused by electric shock buildings. We have to master the relevant content and information, and constantly innovate and develop it.
Next:Outline how to improve the lightning warning of lightning arresters
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