Catalogue / Inverter duty transformers
Three-winding 33 kV solar transformer, Pro seriesSample
by Narmadapushpak Power Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
Customise and request quoteMade to order: change the marked specification rows to what you need; Narmadapushpak Power Transformers (Sample) quotes for it.
Or send an open RFQ to every matching merchant.
Register your company to see prices.
The Pro range of three-winding 33 kV solar transformer by Narmadapushpak covers 5 rating options (1 MVA to 5 MVA). Key features: natural ester option for fire safety, electrostatic shield between windings and withstands inverter harmonic currents. Used by rooftop MW-scale solar, wind farms 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 and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Narmadapushpak
- Model
- NAR-7B1 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 6-8 weeks
- Warranty
- 36 months from supply
- Standards
- IS 2026, IS 1180, IEC 60076-16
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- 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 |
|---|---|---|---|
| Rating1 MVANAR-7B1-01 | Rating: 1 MVA | 1 nos · 6-8 weeks | for verified buyers |
| Rating2.5 MVANAR-7B1-02 | Rating: 2.5 MVA | 1 nos · 6-8 weeks | for verified buyers |
| Rating3.15 MVANAR-7B1-03 | Rating: 3.15 MVA | 1 nos · 6-8 weeks | for verified buyers |
| Rating4 MVANAR-7B1-04 | Rating: 4 MVA | 1 nos · 10-14 weeks | for verified buyers |
| Rating5 MVANAR-7B1-05 | Rating: 5 MVA | 1 nos · 10-14 weeks | for verified buyers |
Specifications
| Rating | 1 MVA to 5 MVA (see variants) |
|---|---|
| Voltage ratio | 33/0.69 kVmade to order: 33/0.8 kV / 33/0.69/0.69 kV / 22/0.69 kV |
| Windings | Three (split LV)made to order: Two |
| Vector group | Dy11y11made to order: Dyn11 |
| Cooling | ONAN |
| Impedance | 6.5%made to order: 7% / 8% |
| Tap changer | OLTCmade to order: Off-circuit +/- 5% |
| 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 |