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Grid interface
Transformer
Grid interface and isolation. Oil or dry (VPI) types up to 25 MVA and 33 kV, with 2–27 windings and custom vector groups.
Specifications
- Best for
- Grid interface / isolation
- Type
- Oil / cast resin / VPI
- Input voltage
- Up to 33 kV
- Max output voltage
- Custom
- Max output current
- Custom
- Max power
- Up to 25 MVA
- Power factor
- -
- THDi
- -
- Output ripple
- -
- Efficiency
- As per customer requirement
Transformer range
Converter duty
Converter Duty Transformer
Oil filled transformer built for rectifier feed, with harmonic-aware winding arrangements.
- Rating
- Up to 25 MVA
- Voltage
- Up to 33 kV
- Pulse
- 6 / 12 / 24
- Cooling
- ONAN / ONAF
- Winding
- Aluminium or copper
- Tapping
- Off-circuit or OLTC
- Standards
- IS 2026, IEC 60076, IEC 61378
- Supply
- 3 phase, 50/60 Hz
Distribution & power
Distribution & Power Transformer
Oil filled transformers for plant supply and converter feed across the full kVA to MVA span.
- Rating
- 630 kVA to 25 MVA
- Voltage
- Up to 33 kV
- Cooling
- ONAN / ONAF
- Winding
- Aluminium or copper
- Fluid
- Mineral, silicone or ester
- Sealing
- Conservator or hermetically sealed
Cast resin
Cast Resin Transformer (CRT)
Dry type cast resin unit for indoor and space-constrained sites, in two variants.
- Rating
- Up to 5 MVA
- Voltage
- Up to 33 kV
- Cooling
- AN / AF
- Insulation
- Class F / H
- Protection
- IP00 to IP44
- Variants
- Distribution or converter duty
- Pulse
- 6 / 12 / 24
VPI
VPI Transformer
Dry type vacuum pressure impregnated unit for compact indoor and outdoor installations.
- Rating
- Up to 2.5 MVA
- Voltage
- Up to 6.6 kV
- Cooling
- AN / AF
- Insulation
- Class F / H
- Phase
- 1 or 3 phase
- Protection
- IP00 indoor, IP54 outdoor