| IEC 61850 for substation communication is the foundation of seamless communication of monitoring and control information of a power system in the future. The development and main idea of the standard are introduced in this paper. The main technical features are analyzed in detail; The implementation of applying IEC 61850 to the communication of power system telemonitoring information has been studied, a network architecture of telecontrol communication has been established; Applying the technique of Ethernet Communication, real-time database, Information Modeling and XML, a conversion gateway is designed, and the mapping method between current power telemonitoring protocols to abstract communication service interface has been given. Taking a substation as example, the seamless conversion between traditional protocol and IEC 61850 is realized by gateway.
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