Catalogue / Power transformers
Power transformer 3-phase oil-immersed ONAN/ONAF, Prime seriesSample
by Amaravati Power Transformers (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Power transformer 3-phase oil-immersed ONAN/ONAF from Amaravati, Prime series: 5 rating options between 31.5 MVA and 315 MVA. Key features: oil-tight tank, vacuum withstand tested, on-load tap changer with AVR and CRGO core with step-lap joints. Typically used for generator step-up, industrial plants and solar and wind evacuation. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Amaravati
- Model
- AMA-F74 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 2 nos
- Lead time
- 30-40 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- West India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- FOR nearest railhead
- 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 |
|---|---|---|---|
| Rating31.5 MVAAMA-F74-01 | Rating: 31.5 MVA | 2 nos · 30-40 weeks | on quote |
| Rating50 MVAAMA-F74-02 | Rating: 50 MVA | 2 nos · 30-40 weeks | on quote |
| Rating100 MVAAMA-F74-03 | Rating: 100 MVA | 2 nos · 30-40 weeks | on quote |
| Rating160 MVAAMA-F74-04 | Rating: 160 MVA | 2 nos · 30-40 weeks | on quote |
| Rating315 MVAAMA-F74-05 | Rating: 315 MVA | 2 nos · 30-40 weeks | on quote |
Specifications
| Rating | 31.5 MVA to 315 MVA (see variants) |
|---|---|
| Voltage ratio | 220/132 kV |
| Cooling | ONAN/ONAF |
| Vector group | YNa0d11 |
| Tap changer | OLTC 1.25% steps |
| Impedance | 12.5% at 100 MVAmade to order: 10% / 12.5% |
| Insulation fluid | Mineral oilmade to order: Natural ester |
| Core | CRGO M0H |
| Winding material | Aluminiummade to order: Copper |
| Conservator | Plainmade to order: Air cell |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |