Investigation and Improvement of Standard External Lightning Protection System: Industrial Case Study

In this study, the lightning protection system and grounding of one plant petrochemical industry were investigated, evaluated, improved. The methods used in study rolling sphere angle methods. building under was modeled simulated using ATP/EMTP (Alternative Transient Program/Electromagnetic Program) software. results show that external prilling tower studied does not adhere to IEC 62305 1024-1-1 standards. Moreover, configuration DCS appropriate for protecting sensitive equipment inside. Lightning causes an enormous potential difference between ground rods system. Additionally, disabling existing surge protective device (SPD) increase magnitude Ground Potential Rise at building. Improvement on Plant 1 company as well some other recommendations improvements are proposed. This paper also shows evidence protection, internal need be connected make exemplary