Abstract
In smart substation, the interrelationship among different devices is complex. The information in a smart substation is not transmitted through point to point communication, but through a novel communication network. Existing auxiliary systems for maintenance and inspection in intelligent substation cannot visualize the flow of packets in the implementation of specific function in secondary system. This paper, by analyzing the contents and requirements for maintenance and inspection in intelligent substation, designs a visualized function correlation. The function correlation library is built based on the principle of relay protection and expert experience. This library can show the interrelationship of the packets, when one specific function is triggered during the normal operation of substation, Sugiyama algorithm is used to illustrate the complete process of this function implementation.
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