ESP is a type of lightning protection system that is designed to reduce the risk of damage to structures from direct lightning strikes. It works by emitting a streamer, or ionized path, towards the approaching lightning, which then becomes the preferred path for the lightning to strike rather than the structure itself.
ESP works by using a lightning rod with a larger surface area than traditional lightning rods. This allows it to emit a streamer earlier, before the lightning has fully formed. The streamer is created by a high-voltage ionization system, which helps to attract the lightning and guide it towards the ground.
Yes, ESP is recognized by the IEC, specifically in the standard IEC/EN 62305. This standard outlines the requirements and testing procedures for early streamer protection systems.
ESP has been shown to be highly effective in reducing the risk of damage from direct lightning strikes. Studies have shown that structures equipped with ESP have a significantly lower probability of being struck by lightning compared to those without any protection.
One potential drawback of ESP is that it may not be suitable for all types of structures. It is most effective for tall structures or those located in open areas. Additionally, regular maintenance and testing of the system is necessary to ensure its effectiveness.