Bagus Irawan Saputra, et al. “Optimizing Lightning Arrester Selection for 275kV EHV Substations: A Comparison of Overvoltage Analysis With Software and Manual Calculations”. Jurnal Nasional Teknik Elektro, vol. 14, no. 2, July 2025, pp. 81-90, doi:10.25077/jnte.v14n2.1246.2025.