9IEC. IEC60044-8 Instrument transformers-Part 8:Electrical current transducers[S]. [S.l.]:IEC,2002.
10IEC. IEC61850-9-1. Communication networks and systems in subslations Part 9-l:Specific Communication Service Mapping (SCSM) sampled values over serial unidirectional multidrop point to point liok[S].[S.l. ] : IEEE,2003.