Background traffic effect on GOOSE messages within PRP Protection network

What is it about?

GOOSE messages are becoming more and more popular to utilize within transmission and distribution networks for interlocking and inter-tripping schemes using protection relays. In this paper we analyse a PRP redundant network made of distribution protection relays exchanging GOOSE messages, to see the effect of higher background traffic on the speed and integrity of the GOOSE messages.

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Why is it important?

Many papers look at this aspect for transmission networks which are far more complex than distribution networks, and have many different layers to integrate firewall and limit the effect of background traffic on GOOSE communication. This paper looks at a simple PRP distribution network which can be designed without an Ethernet switch, making it difficult to utilize a firewall to limit background traffic.