Can lightning rods really avoid lightning?
LSP reminds that since Franklin invented the lightning rod in the 17th century and reached the end of the 18th century, the lightning rod was widely used and play an important role, which is universally acknowledged. Later practice has further proved that lightning rods and their derived lightning protection strips, lightning protection nets, and lightning protection lines are quite effective for defensive direct lightning strikes.
However, many people believe that the lightning rod is a lightning protection device that will not only eliminate the lightning damage but also included more secondary lightning strikes. So what exactly working in real time?
As we all know, lightning is a phenomenon that occurs randomly. It can discharge in the air and also discharge to the ground. Of course, it may also hit lightning rods or other objects. When it comes to lightning, a building or a structure itself can be used for lightning. It is not that lightning is installed before lightning is introduced.
The thunderstorm process often includes several thunderstorm monomers. Each thunderstorm monomer is a convective monomer. Each thunderstorm monomer contains strong vertical motion. Its size and strength are randomly formed. Whether the lightning rod is ignited depends on the size of the lightning current in the thunderstorm cell. A thunderstorm with a large amount of electricity in a thunderstorm cell is likely to hit the top of the lightning rod, and a weak lightning with a small amount of current in a single cell is more likely to hit the upper middle of the lightning rod. Then latter phenomenon is called “striking.? Strikes can occur both on lightning rods and on buildings or structures. This phenomenon usually occurs on ground conductors whose height exceeds 30m in the non-protected area of the rolling ball method. Therefore, a building or a structure over 30m in height must pay special attention to side-impact lightning.
Therefore, in addition to installing the lightning rod system, the lightning protection system must also be equipped with lightning protection strips or lightning protection nets in key locations in order to reliably attract mines and weak mines and ensure safe access to the ground. Protected objects from lightning strikes. In summary, the lightning rod not only has no “failure” but it and its “derivatives“ (such as lightning protection belts, lightning protection nets, etc.) are playing an increasingly important role in the prevention and reduction of disasters in all walks of life today.
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