Impact of IEC 61850 Edition 2 on the Object Modelling of Complex Multifunctional Protection IEDs

Edition 2 of IEC 61850 is the next step in the evolution of the standard that improves its functionality in order to better serve the Smart Grid. The paper discusses the changes in the object modelling of multifunctional transformer protection IEDs and how they improve the efficiency of engineering and maintenance of protection and control systems.