Custom & Special Purpose Transformers
| Power Range | Any rating on request; from small specialty units to 500 MVA |
|---|---|
| Max Voltage | Any voltage on request; up to 750 kV |
| Technology | Cast Resin & Oil Immersed |
| Standard | IEC 60076 and/or customer-specified; classification society rules |
| Cooling | Any cooling type; custom heat exchangers (air/water); arctic-rated sealing |
| Impedance | Per project specification |
| BIL (Lightning) | Per insulation coordination and project specification |
| Temperature Rise | FEM/FEA thermally modelled for extreme duty |
| Losses | Guaranteed per contract specification |
| Short-Circuit Std. | IEC 60076-5; FEM/FEA short-circuit force simulation |
| Conducting Material | Aluminium or Copper; selected per duty and environment |
| HV Coil Construction | FEM/FEA thermally and mechanically optimised; vacuum-cast or precision-wound; heavy vibration rated for marine |
| LV Coil Construction | FEM/FEA optimised; air/water heat exchanger interface windings for vessel applications |
| Insulation System | Epoxy resin (C5 arctic) or mineral/ester oil; selected per extreme duty and environment |
| Tank / Enclosure | Fully customised: inverted orientation (mine shaft); integrated air-to-water cooling HX (icebreakers); marine vibration mounting; IP66/IP67; arctic sealing; custom paint system |
| Tap Changer | Any configuration; marinised OLTC or NLTC on request |
| Climate Class | C5 minimum; custom arctic class; −60 °C storage on request |
| Ambient Class | E4 minimum; custom marine/offshore/mining class on request |
| Fire Class | F1 (cast resin) or ester-fluid fire-resistant option |
| Certifications & Standards | ISO 9001:2015; IEC 60076; DNV; Lloyd’s Register; Bureau Veritas; TÜV; KEMA; GOST – per project |
| Offshore Classification | Yes – DNV / Lloyd’s / Bureau Veritas (full class certification per project) |
| GOST Available | Yes – on request |
| Key Applications | Mine shaft inverted-mount; icebreaker/vessel thruster and distribution; extreme arctic; Scott-T 3-phase to 2-phase (railway/arc furnace); Vv open-delta (emergency/special grid); unique topologies |
| Industries Served | Mining; offshore & marine; arctic/extreme climate; shipbuilding; railway/traction; metallurgy/arc furnace; special industrial; defence & research |
| Typical Delivery | Per project scope (every unit unique) |
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