Research And Application Of Communication Protocol In Electric Power System And IEC61850 Architecture

The technology of substation automation has a grand development, manufacturers inside and outside push out their kinds of substation automation products. Currently, a normal substation may use several products from different manufactory. Before the international standard and uniform about the communication networks and systems in substation is published, the product from different manufactory has use different communication protocol, for there is not a standard protocol, therefore they can't compatible to each other. Almost all products provider has the protocol of themse, this come into the network of electric power have thousands of kinds of communication protocol. When have to design a substation automation system, must most familiar with the protocol of these products.First, the article by right of the substation automation system designed during graduate study, analysis the different protocol of difference products, and the application methods. They include of:(1) The use of substation equipment and line protect meter of WXH-8B, use 3720ACM Communication protocol, it is designed by manufactory himself.(2) Substation measure meter, multi-function watt-hour meter, use DL/T645-1997 communication protocol.(3) Real time control and measure meter YD2100 and have protect or measure together serial meter sepam1000, use ModBus communication protocol.After summarize and analysis upwards protocol, go ahead study the standard of Communication Networks and Systems in Substation IEC61850. The study content consist of this: introduce of the standard, the core of the standard, the process to realize the standard, and have a principium study of to realize the substation automation system use IEC61850 standard. It almost include the application and communication, configuration description language for communication in electrical substations as SCL, the realize ways of client application, and so on.