G799 – 2. HVB – Replacement of SPACOM Series 100 protection relays

Summary

ČEZ is procuring the replacement of protection equipment for the 6 kV switchgear at the Temelín Nuclear Power Plant. The work includes preparing documentation, fully renewing the equipment and auxiliary automation cabinets with digital protection devices and auxiliary equipment, retaining the existing protection scope and control-system connections, providing communication and time synchronisation with the NEMES monitoring system, and making the necessary changes to affected equipment and systems. The procurement comprises one lot and is planned to run for 98 months from 30 June 2027.