Catalogue / Power transformers
Grid substation transformer with OLTC, Max 7 seriesSample
by Thanjavurprakash Transformer Works (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Thanjavurprakash Max 7 grid substation transformer with OLTC, offered in 5 rating options from 10 MVA to 100 MVA. Design: short-circuit tested design, routine, type and special tests and on-load tap changer with AVR. Typically used for grid substations, transmission utilities and generator step-up. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Thanjavurprakash
- Model
- THA-275 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
- All India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- Packaging
- Corrugated box on pallet
- Delivery terms
- FOR site, freight included
- Returns
- Replacement of items damaged in transit within 7 days
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating10 MVATHA-275-01 | Rating: 10 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating20 MVATHA-275-02 | Rating: 20 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating31.5 MVATHA-275-03 | Rating: 31.5 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating50 MVATHA-275-04 | Rating: 50 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating100 MVATHA-275-05 | Rating: 100 MVA | 1 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 10 MVA to 100 MVA (see variants) |
|---|---|
| Voltage ratio | 33/11 kV |
| Cooling | ONAN/ONAF/OFAF |
| Vector group | YNa0d11made to order: YNyn0 d11 / Dyn11 |
| Tap changer | OLTC 1.25% stepsmade to order: OLTC +/- 10% in 16 steps |
| Impedance | 12.5%made to order: 10% / 12.5% at 100 MVA |
| Insulation fluid | Natural estermade to order: Mineral oil |
| Core | CRGO M0Hmade to order: Amorphous |
| Winding material | Copper |
| Conservator | Air cellmade to order: Plain |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |