Representative Experience
Phase-Shifting Transformer (PST) – 150 MVA, 138 kV
Ongoing specification development, design review, procurement and FAT/SAT support for Norway–Finland interconnection
Large Power Transformer and Autotransformer Fleets
- 300 MVA, 420/138/22 kV power transformers
- 1000 MVA, 420/300/24 kV autotransformers
Scope of work included specification development, design review, procurement support, and FAT/SAT.
Single-phase Autotransformers
- 233.3 MVA, 330/√3:220/√3:11 kV
- 333.3 MVA 500/√3:330/√3:11 kV
Scope of work included specification development and tender evaluation
HVDC Interconnectors – NordLink & North Sea Link
- 264 MVA, 420/√3:333/√3 kV
Scope of work included specification development, design review, procurement support, and FAT/SAT.
Variable Shunt Reactors
- 200-90 MVAr, 420 kV
Scope of work included specification development, design review, procurement support, and FAT/SAT.
Special Transformer Fleets
Several units with bespoke transport, size, and reconnection requirements:
- 420(300)/138(66)/17.5 kV, 300 MVA
- 420(300)/138(107.5)/15 kV, 300 MVA
- 138/69(23)/23 kV, 50 MVA
Scope of work included specification development, design review, procurement support, and FAT/SAT.
Arc Suppression Coils and Earthing Transformers
Multiple units at 138 kV. The coil regulation 10–100%, and current ranges 150–300 A. Scope of work included specification development, design review, procurement support, and FAT/SAT.