Catalogue / Inverter duty transformers
Three-winding 33 kV solar transformer, Elite seriesSample
by Coromandel Transformer Works (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Three-winding 33 kV solar transformer from Coromandel, Elite series: 5 rating options between 1 MVA and 5 MVA. Key features: electrostatic shield between windings, natural ester option for fire safety and matched impedance for inverter protection. Suited to agri solar feeders, rooftop MW-scale solar and utility solar plants. Designed and tested to IS 2026, IS 1180 and IEC 60076-16. Lead time 10-14 weeks; delivers to West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Coromandel
- Model
- COR-7B6 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 10-14 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IS 1180, IEC 60076-16
- Delivers to
- West India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- FOR nearest railhead
- 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 |
|---|---|---|---|
| Rating1 MVACOR-7B6-01 | Rating: 1 MVA | 10 nos · 10-14 weeks | on quote |
| Rating2.5 MVACOR-7B6-02 | Rating: 2.5 MVA | 10 nos · 10-14 weeks | on quote |
| Rating3.15 MVACOR-7B6-03 | Rating: 3.15 MVA | 10 nos · 10-14 weeks | on quote |
| Rating4 MVACOR-7B6-04 | Rating: 4 MVA | 10 nos · 10-14 weeks | on quote |
| Rating5 MVACOR-7B6-05 | Rating: 5 MVA | 10 nos · 10-14 weeks | on quote |
Specifications
| Rating | 1 MVA to 5 MVA (see variants) |
|---|---|
| Voltage ratio | 33/0.69/0.69 kV |
| Windings | Three (split LV) |
| Vector group | Dy11y11made to order: Dyn11 |
| Cooling | ONAN |
| Impedance | 8%made to order: 6.5% / 7% |
| Tap changer | OLTC |
| Insulation fluid | Mineral oil |
| Harmonic duty | K-factor 4 / 6th harmonic |
| Electrostatic shield | Provided between HV and LV |
| HV termination | Air bushingmade to order: Cable box |
| Protection | Buchholz, OTI, WTI, PRD |
| Losses | Level 2 / Level 1 |