One Grid

Use of Virtual Intelligent Electronic Devices for substation protection and control

The power system protection industry is currently facing a number of challenges. A large percentage of the installed base of Intelligent Electronic Devices (IEDs) are at the end of their useful life or approaching it. Replacement projects are cumbersome in terms of the engineering and testing required, and both greenfield and brownfield projects require the installation of many devices.

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One Grid

This section features strategic articles from CIGRE authors on technologies, practices, and innovations shaping the future power system as One Grid—an integrated end-to-end system across transmission and distribution. It also includes invited articles approved by the Electra Editorial Board, which may express opinions solely their own, to broaden perspectives on the technological evolution of the grid.

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