Voltage and Current Measuring Technologies for High Voltage Direct Current Supergrids: A Technology Review Identifying the Options for Protection, Fault Location and Automation Applications. - Dimitrios Tzelepis; Vasileios Psaras; Eleni Tsotsopoulou; Sohrab Mirsaeidi; Adam Dysko; Qiteng Hong; Xinzhou Dong; Steven M. Blair; Vassilis C. Nikolaidis; Vassilis Papaspiliotopoulos; Grzegorz Fusiek; Graeme M. Burt; et al. (IEEE Access, 2020)