Catalogue / Power transformers
Power transformer 3-phase oil-immersed ONAN/ONAF, Duo 4 seriesSample
by Konark Transformer Works (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Konark Duo 4 power transformer 3-phase oil-immersed ONAN/ONAF, offered in 4 rating options from 100 MVA to 500 MVA. Design: CRGO core with step-lap joints, oil-tight tank, vacuum withstand tested and short-circuit tested design. Suited to solar and wind evacuation, generator step-up and transmission utilities. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to East & North-East India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Konark
- Model
- KON-F77 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 30-40 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- East & North-East India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Corrugated box on pallet
- Delivery terms
- Door delivery in metro cities
- Returns
- No returns on made-to-order items
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating100 MVAKON-F77-01 | Rating: 100 MVA | 1 nos · 30-40 weeks | on quote |
| Rating160 MVAKON-F77-02 | Rating: 160 MVA | 1 nos · 30-40 weeks | on quote |
| Rating315 MVAKON-F77-03 | Rating: 315 MVA | 1 nos · 30-40 weeks | on quote |
| Rating500 MVAKON-F77-04 | Rating: 500 MVA | 1 nos · 30-40 weeks | on quote |
Specifications
| Rating | 100 MVA to 500 MVA (see variants) |
|---|---|
| Voltage ratio | 220/132 kV |
| Cooling | ONAN/ONAF/OFAFmade to order: ONAN/ONAF |
| Vector group | YNa0d11 |
| Tap changer | OLTC 1.25% steps |
| Impedance | 12.5% at 100 MVAmade to order: 10% / 12.5% |
| Insulation fluid | Mineral oilmade to order: Natural ester |
| Core | CRGO M0H |
| Winding material | Coppermade to order: Aluminium |
| Conservator | Air cellmade to order: Plain |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushingsmade to order: Cable box |
| Monitoring | Buchholz, OTI, WTI, PRV |