Catalogue / Power transformers
Grid substation transformer with OLTC, Pro 7 seriesSample
by Tejmark Power 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 7 range of grid substation transformer with OLTC by Tejmark covers 5 rating options (31.5 MVA to 315 MVA). Highlights: on-load tap changer with AVR, short-circuit tested design and condition monitoring sensors. Used by solar and wind evacuation, generator step-up and industrial plants. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to South India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Tejmark
- Model
- TEJ-277 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 30-40 weeks
- Warranty
- 36 months from supply
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- South India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- Door delivery in metro cities
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating31.5 MVATEJ-277-01 | Rating: 31.5 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating50 MVATEJ-277-02 | Rating: 50 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating100 MVATEJ-277-03 | Rating: 100 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating160 MVATEJ-277-04 | Rating: 160 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating315 MVATEJ-277-05 | Rating: 315 MVA | 1 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 31.5 MVA to 315 MVA (see variants) |
|---|---|
| Voltage ratio | 220/132 kV |
| Cooling | ONAN/ONAF/OFAFmade to order: ONAN/ONAF |
| Vector group | Dyn11 |
| Tap changer | OLTC 1.25% steps |
| Impedance | 12.5%made to order: 10% / 12.5% at 100 MVA |
| Insulation fluid | Mineral oilmade to order: Natural ester |
| Core | CRGO M0Hmade to order: Amorphous |
| Winding material | Aluminiummade to order: Copper |
| Conservator | Plainmade to order: Air cell |
| Noise level | < 75 dB(A) |
| Terminals | Cable boxmade to order: Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |