Lightning and Surge Protection Systems

Full protection of buildings and equipment from lightning strikes is only possible provided that the designed lightning and surge protection systems, grounding and potential equalization systems are fully compatible with each other.
 
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Lightning Protection Systems (Active lightning diverters):

These are the systems of protection against uncontrolled lightning strikes within a “certain diameter” ensuring diversion of lightning into the ground by air ionization. Protective effect diameter range will vary depending on the make and model of the lightning diverter, the physical characteristics of the protected building, the intended use and geographical factors of the environment at the place of installation.

Active lightning diverters are designed to ensure complete safety of buildings and people, but they are unable to protect any equipment located inside the building. Protection of electrical and electronic systems and equipment is only possible by means of surge protection devices called the “indoor lightning diverters = A.G.Parafudr”.

Surge Protection Systems (Low Voltage Systems):

In the low-voltage systems the devices of protection against surge occurring between the phases and ground, or between the neutral and ground suppress the high current by themselves switching from an open circuit position to the position of contact in the moment of strike. In other words, they assume the high-voltage strikes faced by the system and close the contact on the ground.

The A.G. surge protection systems are designed based on IEC 62305-4 standards. In this context, it is recommended to provide the protection on the main panels by the Type 1, on the secondary panels – by the Type 2, and on sensing devices – by the Type 3. Thereby a gradual damping of high voltages caused by lightning or network is carried out, and high level system protection is provides.
 
Lightning is a natural disaster. Globally, no one lightning protection method provides total warranty against possible lightning strikes. The practice of our company with regard to this issue which is a headache of world-famous insurance companies as well, is based on an approach “Maximum action, minimum risk.”

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