Catalogue / Inverter duty transformers
Three-winding 33 kV solar transformer, Smart seriesSample
by Coorgswarna Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Smart range of three-winding 33 kV solar transformer by Coorgswarna covers 4 rating options (3.15 MVA to 6.3 MVA). Key features: matched impedance for inverter protection, natural ester option for fire safety and designed for frequent load cycles. Suited to wind farms, agri solar feeders and hybrid solar and storage. Designed and tested to IS 2026, IS 1180 and IEC 60076-16. Lead time 6-8 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Coorgswarna
- Model
- COO-7B8 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 6-8 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IS 1180, IEC 60076-16
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- FOR nearest railhead
- 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 |
|---|---|---|---|
| Rating3.15 MVACOO-7B8-01 | Rating: 3.15 MVA | 1 nos · 6-8 weeks | for verified buyers |
| Rating4 MVACOO-7B8-02 | Rating: 4 MVA | 1 nos · 6-8 weeks | for verified buyers |
| Rating5 MVACOO-7B8-03 | Rating: 5 MVA | 1 nos · 10-14 weeks | for verified buyers |
| Rating6.3 MVACOO-7B8-04 | Rating: 6.3 MVA | 1 nos · 10-14 weeks | for verified buyers |
Specifications
| Rating | 3.15 MVA to 6.3 MVA (see variants) |
|---|---|
| Voltage ratio | 22/0.69 kV |
| Windings | Twomade to order: Three (split LV) |
| Vector group | Dy11y11made to order: Dyn11 |
| Cooling | ONAN |
| Impedance | 6.5% |
| Tap changer | Off-circuit +/- 5% |
| Insulation fluid | Natural estermade to order: 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 |