Energy management system application program interface (EMS-API) -- Part 456: Solved power system state profiles (( IEC 61970-456:2018) EN IEC 61970-456:2018) (english version)
Energy management system application program interface (EMS-API) -- Part 456: Solved power system state profiles (IEC 61970-456:2013/A1:2015) (Amendment) (english version)
Energy management system application program interface (EMS-API) -- Part 456: Solved power system state profiles (IEC 61970-456:2013/A1:2015) (Amendment) (english version)