Catalogue / Power transformers
Auto-transformer 220/132 kV, Duo 6 seriesSample
by Samarthtek Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Auto-transformer 220/132 kV from Samarthtek, Duo 6 series: 5 rating options between 31.5 MVA and 315 MVA. Design: oil-tight tank, vacuum withstand tested, short-circuit tested design and on-load tap changer with AVR. Used by industrial plants, transmission utilities and solar and wind evacuation. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Samarthtek
- Model
- SAM-D21 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 2 nos
- Lead time
- 30-40 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- West India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- FOR site, freight included
- 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 |
|---|---|---|---|
| Rating31.5 MVASAM-D21-01 | Rating: 31.5 MVA | 2 nos · 30-40 weeks | for verified buyers |
| Rating50 MVASAM-D21-02 | Rating: 50 MVA | 2 nos · 30-40 weeks | for verified buyers |
| Rating100 MVASAM-D21-03 | Rating: 100 MVA | 2 nos · 30-40 weeks | for verified buyers |
| Rating160 MVASAM-D21-04 | Rating: 160 MVA | 2 nos · 30-40 weeks | for verified buyers |
| Rating315 MVASAM-D21-05 | Rating: 315 MVA | 2 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 31.5 MVA to 315 MVA (see variants) |
|---|---|
| Voltage ratio | 400/220 kVmade to order: 33/11 kV / 66/11 kV / 132/33 kV |
| Cooling | ONAN/ONAF/OFAFmade to order: ONAN/ONAF |
| Vector group | YNyn0 d11made to order: Dyn11 / YNa0d11 |
| Tap changer | OLTC +/- 10% in 16 stepsmade to order: OLTC 1.25% steps |
| Impedance | 12.5% at 100 MVA |
| Insulation fluid | Natural ester |
| Core | CRGO M0H |
| Winding material | Aluminiummade to order: Copper |
| Conservator | Plainmade to order: Air cell |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushingsmade to order: Cable box |
| Monitoring | Buchholz, OTI, WTI, PRV |