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The hazards of lightning and protective measures

Time:2022-08-13

In Chinese folklore, lightning is regarded as a force that upholds justice, and only when a person commits many evil deeds can they be struck by lightning. Now, of course, we already know that lightning strikes people not based on their goodness or badness. When lightning strikes any building or its vicinity, it can seriously damage the building or its electrical equipment, and even threaten human life safety.

The hazards of lightning are divided into direct lightning strikes and indirect lightning strikes. Direct lightning strike refers to the discharge of electricity from buildings or other surface objects and the conduction between lightning clouds, causing a huge current to flow through the hit area, resulting in significant electric, thermal, electromagnetic effects, etc., and damaging the hit object. After lightning strikes a certain location, the electromagnetic waves it generates will propagate outward, damaging or affecting nearby electrical equipment. The high potential generated after lightning strikes can also enter nearby buildings along nearby power lines, damaging the electrical appliances connected to them. So how to prevent lightning disasters from happening? The installation of lightning protection facilities in various buildings based on their nature and importance is a fundamental part of lightning protection against electrical disasters. When pulling wires between buildings or connecting wires to establish communication or television connections, the wires should be buried underground to prevent the introduction of indirect lightning.  



Qingdao Wind Power Lightning Protection and Resistance Reduction Material Co., Ltd. reminds you to turn off electrical appliances and disconnect from external power sources during lightning strikes. When encountering thunderstorms in the wild, one should not run under big trees to avoid the rain, as the trees protrude from the ground and are easily struck by lightning You can find places or caves with lightning protection measures. If you can't find them, you should try to lower your center of gravity and reduce the contact area between the human body and the ground to prevent lightning. You can squat down, put your feet together, put your hands on your knees, and bend forward. If you put on a raincoat, the lightning protection effect will be better. Do not lie on the ground, in trenches or pits. It is important to note that during thunderstorms, it is advisable to avoid using mobile phones as much as possible, especially for tourists traveling outside and in open areas. It is necessary to turn off mobile phones during thunderstorms.