How can you stop lightning damage? The fact is, you can’t actually stop lightning, but you can redirect it. This presentation will review the different types of lightning damage, how to identify them, and how to protect your facility, personnel and other assets.
A lightning strike can cause significant structural damage to a building. It can lead to damaged machinery and equipment inside and outside the building and may result in harm to people.
There are four basic types of lightning damage: physical damage, secondary effect damage, electromagnetic effect damage, and damage caused by changes in ground reference potential.
According to the National Weather Service a typical lightning flash is about 300 million Volts and about 30,000 Amps lightning can heat the air up to 50,000 degrees Fahrenheit. This combination of power and heat can cause serious damage to the human body and nearby buildings and equipment.
Indirect effects can also be damaging. For example if lightning strikes a building transient, over voltages maybe caused through resistive, inductive and capacitive coupling.
– Within a flammable material, it can cause a fire or explosion.
– Within a bearing, such as in a pump in a treatment plant, it can scar the bearing and cause premature wear.
– On a circuit board, it can damage the circuit board.
The lightning discharge current, whether by direct strike or carried by a lightning down conductor, generates a field whose electrical and magnetic components reach considerable voltage. This electromagnetic field can induce electrical currents in nearby conductors, including wires and electrical equipment. The current induced by electromagnetic effect can easily be sufficient to cause damage.
The lightning current that falls on a lightning conductor causes an increase in the earth potential of an installation, which will cause an overvoltage between the earthing system and the internal lines within the installation. This overvoltage spreads to neighboring installations via the distribution network. When a lightning strike hits the ground or an item near the building (prominence, tree, post, etc.) directly, there is a similar increase in the earth potential causing over voltages in installations near the strike, via earthing electrodes.
One of the simplest methods to prevent lightning damage is to install a lightning protection system.
Lightning Eliminators is a one stop shop for lightning safety products. We have 3 individual product lines that can be integrated together for a comprehensive lightning protection system.
These product lines include Lightning Prevention Products like our Dissipation Array Systems (DAS), Spine Ball Ionizers (SBI), Spine Ball Terminals (SBT), and Streamer Delaying Air Terminals (SDAT), Grounding and Surge solutions.
Lightning will strike whatever it desires, buildings, trees, mountains, cars, etc. so it’s important to be aware of both direct and indirect lightning strikes and the damages that they can create.