First Digital Substation

First Digital Substation ? A journey, business case, lessons

by Hinkley, TransGrid, and Chirag Mistry, GE Grid Solutions, Australia

IEC 61850 has now been accepted 'almost unequivocally' as the preferred standard for substation communications. Utilities and industries across the world are at various stages of adoption of this standard. The extent of utilization of this standard in the majority of installations around the world is at ?station bus? level with IEC 61850-8-1 reporting and GOOSE. Moving further along the digitization chain, it is foreseen that numerous benefits can be availed if process values (e.g. currents/voltages/switchgear status) are digitized as close to the source as possible (i.e. in the switchyard) and utilized in the automation system. More