Laksono HD, Hakim MH, Ikhlas R, Ramlee RA. Design of Protection Relay Coordination Settings and Connecting to PLC Siemens S7-1500 For Load Shadding and HMI Display at PT. Semen Padang. AJEEET [Internet]. 2022 Nov. 25 [cited 2026 Feb. 28];2(2):35-42. Available from: https://ajeeet.ft.unand.ac.id/index.php/ajeeet/article/view/24