Digital Substation and Automation Railway Power Network Protection and Control WEDNESDAY, October 13 BOARD 1 (B1F) Chair Nam-Ho Lee (Korea Electric Power Research Institute) 12-0208 Secure Process Bus Network in Substation Automation Systems 09:00-09:20 Junho Hong 1 , Soonwoo Lee 2 , Sungsoo Choi 2 Online 1 University of Michigan, USA, 2 Korea Electrotechnology Research Institute, Korea 12-0352 A Study on a Digital Twin of an Electrified Railway System 09:20-09:40 In Kwon Park 1 , Sachintha Kariyawasam 1 , Dean Ouellette 1 , Yi Zhang 1 , Joorak Kim 2 , Gyu-Jung Cho 2 1 RTDS Technologies Inc., Canada, 2 Korea Railroad Research Institute, Korea 12-0396 Functional Testing of Centralized IEC 61850 Based Protection and Control Systems 09:40-10:00 Alexander Apostolov OMICRON electronics, USA Online Online