SR 400 MVA 400 kV Power Transformer (Synthetic Ester Oil) and 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed

Summary

Helen Electricity Network Ltd. is procuring a 400/400/125 MVA, 410 ± 6 × 1.33% / 120 / 21 kV power transformer and a 63 MVAr, 21 kV variable shunt reactor, both using synthetic ester oil, for a new 400 kV substation in Sörnäinen, Helsinki. The turnkey deliveries include manufacture, testing, transport to site, unloading, erection, testing and commissioning; delivery is intended for 2030.