Analysis and Discussion of Digital Substation IEC 61850 Standard

This paper discusses differences between communication protocol and IEC 61850 standard with an introduction of the IEC 61850 communication system and its characteristics;and systematically analyzes the network topology of IEC 61850 standard;and further explores the advantages as well as the challenges of implementing IEC 61850 communication capacity.The paper also summarizes the substation structural models created based on IEC 61850 standard.