Power Transformers
| Power Range | All ratings on request; up to 500 MVA |
|---|---|
| Max Voltage | Up to 750 kV |
| Technology | Oil Immersed |
| Standard | IEC 60076 |
| Cooling | ONAN / ONAF / OFAF / OFWF |
| Impedance | 8 – 14 % |
| BIL (Lightning) | Up to 2,100 kV |
| Temperature Rise | 65 K / 60 K |
| Weight Range | Up to 350 t |
| Losses | Guaranteed P₀ & Pk values per IEC 60076-1 |
| Short-Circuit Std. | IEC 60076-5 |
| Conducting Material | Copper or Aluminium (customer choice) |
| HV Coil Construction | Disc / interleaved winding; FEM/FEA thermally and mechanically optimised |
| LV Coil Construction | Helical or disc winding; optimised for rated duty |
| Insulation System | Mineral oil standard; synthetic ester on request; fully thermally modelled |
| Tank / Enclosure | Heavy-duty tank; corrugated / radiator; hermetically sealed or conservator; Buchholz relay; OTI; WTI; pressure relief; full accessories |
| Tap Changer | OLTC per IEC 60214 standard; NLTC on request |
| Climate Class | Arctic rated −50 °C; custom down to −60 °C |
| Ambient Class | Per IEC 60076; custom offshore/marine on request |
| Fire Class | Oil-immersed; fire-retardant ester fluid on request |
| Certifications & Standards | IEC 60076; ISO 9001:2015; EU 548/2014 Tier 2; KEMA / TÜV Rheinland type tests on request; GOST on request |
| Ecodesign Level | EU 548/2014 Tier 2 |
| Offshore Classification | Yes – DNV / Lloyd’s / Bureau Veritas on request |
| GOST Available | Yes – on request |
| Key Applications | HV/EHV grid substations; renewable energy (wind/solar) step-up; BESS grid interface; industrial substations; transmission interconnections; offshore platforms |
| Industries Served | Transmission & grid utilities; renewable energy; offshore & marine; heavy industry; mining; data centres |
| Typical Delivery | 5–8 months standard; 4–5 months accelerated for critical failures |
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