Digital Substation

Digital Substation is an engineering publication focused on IEC 61850 automation, protection systems, and digital grid intelligence.

IEC 62351 (Standard)

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UCA International Users Group Opens Registration for 61850 IOP 2026

UCA International Users Group has opened registration for 61850 IOP 2026, the annual interoperability testing event for IEC 61850 equipment and software tools. For the first time, the programme includes multi-vendor MPLS network testing and functional verification based on Basic Application Profiles (BAP) per IEC 61850-7-6 Ed.2 and IEC 61850-90-30:2025.

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.

IEC 62351 (Standard)

UCA International Users Group Opens Registration for 61850 IOP 2026

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

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