Catalogue / Power transformers
Power transformer 3-phase oil-immersed ONAN/ONAF, Edge seriesSample
by Hampiohm Power Transformers (Sample) · verified by BARREL
Price for verified buyers
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The Edge range of power transformer 3-phase oil-immersed ONAN/ONAF by Hampiohm covers 4 rating options (20 MVA to 100 MVA). Design: on-load tap changer with AVR, routine, type and special tests and CRGO core with step-lap joints. Used by solar and wind evacuation, industrial plants and generator step-up. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Hampiohm
- Model
- HAM-F77 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 30-40 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- FOR site, freight included
- 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 |
|---|---|---|---|
| Rating20 MVAHAM-F77-01 | Rating: 20 MVA | 10 nos · 30-40 weeks | for verified buyers |
| Rating31.5 MVAHAM-F77-02 | Rating: 31.5 MVA | 10 nos · 30-40 weeks | for verified buyers |
| Rating50 MVAHAM-F77-03 | Rating: 50 MVA | 10 nos · 30-40 weeks | for verified buyers |
| Rating100 MVAHAM-F77-04 | Rating: 100 MVA | 10 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 20 MVA to 100 MVA (see variants) |
|---|---|
| Voltage ratio | 400/220 kV |
| Cooling | ONAN/ONAFmade to order: ONAN/ONAF/OFAF |
| Vector group | YNyn0 d11 |
| Tap changer | OLTC 1.25% stepsmade to order: OLTC +/- 10% in 16 steps |
| Impedance | 12.5% at 100 MVAmade to order: 10% / 12.5% |
| Insulation fluid | Mineral oil |
| Core | Amorphousmade to order: CRGO M0H |
| Winding material | Copper |
| Conservator | Plainmade to order: Air cell |
| Noise level | < 75 dB(A) |
| Terminals | Cable boxmade to order: Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |