Catalogue / Transformer overhaul & oil filtration
Power transformer overhaul and oil reconditioning, Core seriesSample
by Chambal Infra Services (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Power transformer overhaul and oil reconditioning from Chambal, Core series: 6 transformer rating options between 1 MVA and 100 MVA. Highlights: oil sampling and DGA before work, hot oil circulation under vacuum and core insulation resistance checks. Typically used for industrial distribution transformers, captive power plants and state utility asset life extension. Delivered in line with IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance) and IEC 60422. Mobilisation Mobilisation in 3-5 days; serves North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chambal
- Model
- CHA-4C5 series
- Listing type
- Service
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- Mobilisation in 3-5 days
- Warranty
- Workmanship 12 months
- Standards
- IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance), IEC 60422
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Delivery terms
- Site mobilisation as per work order
- Returns
- Re-work of defective scope at no cost
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Transformer rating1 MVACHA-4C5-01 | Transformer rating: 1 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating5 MVACHA-4C5-02 | Transformer rating: 5 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating10 MVACHA-4C5-03 | Transformer rating: 10 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating20 MVACHA-4C5-04 | Transformer rating: 20 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating50 MVACHA-4C5-05 | Transformer rating: 50 MVA | 1 nos · Planned shutdown required | for verified buyers |
| Transformer rating100 MVACHA-4C5-06 | Transformer rating: 100 MVA | 1 nos · Planned shutdown required | for verified buyers |
Specifications
| Transformer rating | 1 MVA to 100 MVA (see variants) |
|---|---|
| Service | Oil reclamation |
| Filtration machine | Vacuum dehydration 6000 L/hr |
| Oil BDV target | Above 60 kV |
| Moisture target | Below 10 ppmmade to order: Below 5 ppm |
| Testing | DGA, furan, BDV, tan deltamade to order: Full routine tests after overhaul |
| Spares | Bushings and OLTC parts at cost |
| Downtime | 5-7 daysmade to order: 2-3 days / 3-4 weeks |
| Site work | Hot oil circulation at site |
| Crew | Specialised overhaul teammade to order: 4 technicians with supervisor |
| Certificate | Overhaul report with test data |