Proiect 4 ATS (Automatic Transfer Switch) with IEC61850 GOOSE, ABB REF620
Relion 620 series. Feeder Protection and Control REF620 Application Manual - PDF Free Download
Kartikey Tripathi on X: "REF620 is a dedicated feeder IED perfectly aligned for the protection, control, measurement and supervision of utility and industrial power distribution systems, including radial, looped and meshed distribution