Catalogue / Power transformers
Auto-transformer 220/132 kV, Plus seriesSample
by Bundel Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Bundel Plus auto-transformer 220/132 kV, offered in 5 rating options from 10 MVA to 100 MVA. Key features: short-circuit tested design, oil-tight tank, vacuum withstand tested and condition monitoring sensors. Used by generator step-up, grid substations and solar and wind evacuation. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Bundel
- Model
- BUN-D21 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 and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Wooden crate, seaworthy
- Delivery terms
- Ex-works, freight extra at actuals
- Returns
- No returns on made-to-order items
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating10 MVABUN-D21-01 | Rating: 10 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating20 MVABUN-D21-02 | Rating: 20 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating31.5 MVABUN-D21-03 | Rating: 31.5 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating50 MVABUN-D21-04 | Rating: 50 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating100 MVABUN-D21-05 | 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/OFAFmade to order: ONAN/ONAF |
| Vector group | YNyn0 d11made to order: Dyn11 / YNa0d11 |
| Tap changer | 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 | Amorphousmade to order: CRGO M0H |
| Winding material | Copper |
| Conservator | Plain |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |