Draft61850-7-3©1EC:2002 -1-57WG10-12(61850-7-3)R7.10/DraftFD1S 1EC61850-7-3 Communication networks and systems in substations Part 7-3:Basic communication structure for substations and feeder equipment-Common data classes Revision 7.10:25th August,2002Draft 61850-7-3  IEC:2002 – 1 – 57/WG10-12(61850-7-3)R7.10/DraftFDIS IEC 61850-7-3 Communication networks and systems in substations Part 7-3: Basic communication structure for substations and feeder equipment - Common data classes Revision 7.10: 25th August, 2002