Perancangan Penangkal Petir Pembangkit Listrik Tenaga Surya dengan Metode Rolling Sphere (Bola Gelinding) Studi Kasus: Rooftop Universitas Hkbp Nommensen Medan

Abstract

Solar Power Plants (PLTS) are one of the growing renewable energy solutions and are generally installed in open areas. This condition causes PLTS to have a high risk of lightning strikes that can cause equipment damage and disruption to system operations. To overcome this, a reliable and effective lightning protection system is needed. This study designs a lightning rod system on the rooftop of HKBP Nommensen University Medan using the class II rolling ball method, which has an imaginary radius of 30 meters. Each lightning rod is designed with a height of 3 meters and is equipped with a 4-meter grounding system. Based on the design results, a total of 13 lightning rod units are needed to cover and protect the entire PLTS area on two rooftop buildings. The analysis results show that the entire area has entered the protection zone that meets the criteria of the rolling ball method, so this system is able to provide comprehensive protection against potential lightning strikes. Keywords PLTS, Protection Zone : Lightning Rod, Rolling sphere Method, Lightning Protection, Rooftop