Digital Substation

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

FAT (Keyword)

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RTE's R#SPACE: How France's TSO Built an Industrial-Scale Multi-Vendor IEC 61850 PACS

Most digital substation projects are single-vendor, single-site proofs of concept. RTE — the operator of France's 2,600-substation transmission grid — decided to do something harder: build a fully digital, multi-vendor PACS from scratch, act as its own system integrator, and scale it across the entire network.

CIGRE Launches WG B5.90 to Write the First Commissioning Guidelines for Fully Digital Substations

CIGRE Study Committee B5 has opened Working Group B5.90, tasked with writing the first dedicated guidelines for commissioning and testing of fully digital protection and automation control systems. The Terms of Reference, published in January 2026, cover FAT, SAT, and operational testing for IEC 61850 process bus architectures.

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