|Lighting Protection Material||Stainless Steel|
|Arrester Type||Lightning Rod|
|Poles Number||1 Pole|
|Discharge Current||100 KA|
ESE Lightning Protection for Rooftop Solar PV Systems
External lightning protection system design & installation is not a common practice for solar farms. The lightning protection of solar arrays by traditional franklin air terminals is still subject to concern regarding its effectiveness, shadow effect, installation cost, and appearance. As an alternative to the traditional franklin rod system, Early Streamer Emitter (ESE) type lightning air terminal may be utilized to protect rooftop solar pv systems and larger solar farm area.
Umbraeco-15 ESE terminal provides large protection zones as per National French standard NF C 17-102 (2011). The principle of operation of Umbraeco-15 ESE terminal is to create an upward propagating streamer earlier than conventional air terminals or other objects on the earth. Umbraeco-15 ESEAT does this by collecting and storing ground charge during the initial phase of a thunderstorm development. Once a thunderstorm begins creating downward step leaders, the ambient electric field intensity in the area of the ESE terminal increases. When thus electric field intensifies, it triggers the terminal to release the ground charge, forming an upward streamer microseconds earlier than other objects in the immediate area. This development of an upward streamer earlier in time and space ensures that the Umbraeco-1e ESE air terminal will be the target of the developing lightning strike.
This ESE configuration provides necessary protection zones, effectively dissipate the lightning energy to ground, and helps to insulate the solar panels and inverter/PVCS stations from damage. The other benefit of this system is that there will likely be significantly lower cost of labor, and material to install the entire system as compared to traditional franklin rod system.
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