Research on Communication Network Configuration and Simulation of Smart Substation Based on Ethernet
- 1 College of Information Engineering, Inner Mongolia University of Science & Technology, Baotou, China
- 2 College of Information Engineering, Inner Mongolia University of Science & Technology, Baotou, China
- 3 College of Information Engineering, Inner Mongolia University of Science & Technology, Baotou, China
Abstract
The characters of the intelligent substation communication network structure are analyzed in the paper. Combining existing integrated automation substation hardware circuit and VLAN (Virtual Local Area Network) research foundation to optimize the network configuration. In accordance with IEC61850 standard, the network is partitioned into several VLANs based on the Tag VLAN division method of ID address. Real-time communication packets between GOOSE networks, SV (sampling information) networks, and switches use 802.1Q protocol headers to distinguish these packets. Finally, OPNET simulation software was used to simulate and verify the simplified dual-star topology. The results demonstrate that the delay and traffic bandwidth meet the requirements of actual substation operation standards. Compared with ordinary single-star networks, the reliability is greatly improved and the effectiveness is improved.
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