Logical Node (IEC 61850)

IEC 61850 Log­i­cal Nodes What are Log­i­cal Nodes in IEC 61850 ? Logical Node (IEC 61850) Log­i­cal nodes (abstract data objects) are the main ele­ments of the vir­tu­al object-ori­ent­ed IEC 61850 mod­el, which con­sists of...

RS-485

RS-485 Rec­om­mend­ed Stan­dard 485 What is RS-485? RS-485 — Recommended Standard 485 The RS-485 (Rec­om­mend­ed Stan­dard-485) or also known EIA-485 (Elec­tron­ic Indus­tries Alliance-485) stan­dard defines the char­ac­ter­is­tics of an elec­tri­cal...

SCL File (IEC 61850)

SCL — Sub­sta­tion Con­fig­u­ra­tion Language What is an SCL file? SCL — Substation Configuration Language The IEC 61850 stan­dard for sub­sta­tion automa­tion spec­i­fies a stan­dard­ized Sub­sta­tion Con­fig­u­ra­tion Lan­guage (SCL) to trans­fer device...

MMS Protocol (IEC 61850)

IEC 61850 MMS What is IEC 61850 MMS? IEC 61850 MMS IEC 61850 MMS (Man­u­fac­tur­ing Mes­sage Spec­i­fi­ca­tion) is a client/server based pro­to­col for com­mu­ni­ca­tions between IEDs (IED – Intel­li­gent Elec­tron­ic Device) and high­er...

IED — Intelligent Electronic Device

IED — Intel­li­gent Elec­tron­ic Device What is IED? IED — Intelligent Electronic Device In the pow­er sec­tor, intel­li­gent elec­tron­ic devices (IED) are micro­proces­sor based pow­er sys­tem equip­ment, such as cir­cuit break­ers, trans­form­ers and...