Digital Substation

Relay protection, SCADA, Metering, and Cybersecurity for electrical infrastructure.

Centralized Protection (Technology)

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Virtualized Protection with R-GOOSE over 5G: the Constellation Field Trial by UKPN

UK Power Networks' Constellation project replaces bay-level protection relays with virtualized software on substation computers, using IEC 61850 process bus for local protection and R-GOOSE over 5G for wide area coordination. The first site is operating in Maidstone, Kent, with five more planned across South East England.

Routable Sampled Values (R-SV): The Key to Virtualized Line Differential Protection

In March 2025, Salt River Project commissioned the first confirmed production deployment of virtualized line differential protection using Routable Sampled Values over MPLS WAN, with ABB SSC600. The WAN-connected virtualized relay proved both faster and more consistent than a conventional microprocessor relay on direct fiber.

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