WHAT TO DO TO PROTECT AGAINST LIGHTNING
Lightning is a natural phenomenon that many people only know by its light and noise, and about which many—including technical professionals—hold misconceptions.
One of the most frequently asked questions is whether lightning moves from the cloud to the ground or from the ground to the cloud.
In fact, the answer is both. The event of lightning is a movement of electron flow. Like all matter, clouds seek to become neutral; therefore, if a cloud is negatively charged, it tries to neutralize itself by discharging its electrons to the ground.
If the cloud is positively charged, since positive charges do not move, the cloud attempts to neutralize itself by pulling negative charges from the ground.
In other words, if the cloud is negatively charged, the direction of movement in a lightning event is from cloud to ground; if the cloud is positively charged, it occurs from ground to cloud.
LIGHTNING ROD AND SURGE ARRESTER SYSTEMS
To protect against lightning, guiding devices called lightning rods are used on tall structures. In electrical phenomena, electrons seek to complete the circuit via the shortest path possible, so they establish contact with the highest structure or object on the ground.
Old practices involving the creation of radioactive clouds on lightning rods have been abandoned. Instead, lightning rods are now used as interception rods to prevent lightning from striking a random location if an event is to occur, rather than trying to trigger the lightning itself.
Of course, it doesn’t end there. A lightning rod that connects the lightning to the ground can also cause a potential difference within the structure. To prevent this, Faraday cages and equipotential busbar systems are established.
Surge arresters are used to handle the surges that may occur within the system. Depending on the power and sensitivity of the structure, Class B, C, and D surge arresters are used from the exterior to the interior. However, while surge arresters can ground excess current, they lack the capability to dampen the potential difference.
In short, while surge arresters discard the excess water in a pipe, they cannot prevent the acceleration of the water and the resulting damage to devices.
To close this gap, new generation surge arresters perform overvoltage damping as well; they provide both current and voltage protection with a single product type for Class B, C, and D requirements.
You can access these new generation surge arresters through the Trimbox brand, which boasts an 87.64% local production rate.
Simple precautions sometimes save lives. The best investment we can make for our family, business, and environment is protective measures. With Trimbox and GNDSeries, you can protect yourself from electricity-sourced damages and fires caused by electrical short circuits.
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