From May 20 to 22, 2021, the "China-UK joint workshop on effective protection and control solutions to enable zero-carbon power systems" was held in Tianjin University. The workshop is a joint workshop organized by Tianjin University in China and University of Strathclyde in UK, with presenters offline and online. In this workshop, many scholars in the area of protective relaying gave presentations and shared their thoughts. Dr. Yu Liu was also invited to give a talk on transmission line modeling and fault location methods.