Catalogue / Power transformers
Grid substation transformer with OLTC, Pro 9 seriesSample
by Tamratek Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Pro 9 range of grid substation transformer with OLTC by Tamratek covers 6 rating options (31.5 MVA to 500 MVA). Highlights: on-load tap changer with AVR, condition monitoring sensors and oil-tight tank, vacuum withstand tested. Typically used for transmission utilities, solar and wind evacuation and grid substations. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 16-24 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Tamratek
- Model
- TAM-278 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 16-24 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- FOR nearest railhead
- 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 MVATAM-278-01 | Rating: 31.5 MVA | 10 nos · 16-24 weeks | for verified buyers |
| Rating50 MVATAM-278-02 | Rating: 50 MVA | 10 nos · 16-24 weeks | for verified buyers |
| Rating100 MVATAM-278-03 | Rating: 100 MVA | 10 nos · 16-24 weeks | for verified buyers |
| Rating160 MVATAM-278-04 | Rating: 160 MVA | 10 nos · 16-24 weeks | for verified buyers |
| Rating315 MVATAM-278-05 | Rating: 315 MVA | 10 nos · 30-40 weeks | for verified buyers |
| Rating500 MVATAM-278-06 | Rating: 500 MVA | 10 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 31.5 MVA to 500 MVA (see variants) |
|---|---|
| Voltage ratio | 220/132 kV |
| Cooling | ONAN/ONAF |
| Vector group | YNyn0 d11 |
| Tap changer | OLTC 1.25% steps |
| Impedance | 12.5%made to order: 10% / 12.5% at 100 MVA |
| Insulation fluid | Mineral oil |
| Core | CRGO M0H |
| Winding material | Aluminiummade to order: Copper |
| Conservator | Plainmade to order: Air cell |
| Noise level | < 75 dB(A) |
| Terminals | Cable box |
| Monitoring | Buchholz, OTI, WTI, PRV |