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Irshad Ullah,M. N. R. Baharom,H. Ahmad,B. Das,H. M. Luqman,Jawad Ali,Zainab Zainal 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.1
During the lightning activities every air terminal has the equal chances to be hit by the lightning fashes and it produce electric feld in the surrounding. Therefore, with the passage of time when the lightning air terminals become aged due to acidic rain and chemical contamination, lightning air terminal (LAT) bypasses on side edges takes place which has not been given much attention by the researchers. A modifed lightning protection system (LPS) was proposed in this paper using experimental and electromagnetic feld approach. One of the LAT on diferent geometrical structure was selected as sacrifcial point in order to reduce the chances of LAT bypasses. The modifed protection system can be referred by diferent standard to make sure buildings protection. All the experimental work was done using high voltage impulse and ANSYS/MAXWELL was used as a simulation tool. The modifed protection technique will help diferent standards to provide comprehensive protective measures against lightning.