“…Base on the participation factor in case study 1, for interarea with damping value less than 5% the contributed generators are coming from G2, G4, G5, G9, G10, G11, G12, G13, G14, and G15. Based on the [32,33] the minimum PSS that can be installed is half of the generator number. Hence, for this study, the PSS is installed to the G2, G4, G5, G9, G10, G11, G12, G13, G14, and G15.…”