Catalogue / Transformer overhaul & oil filtration
Bushing and OLTC replacement, Elite 3 seriesSample
by Chambal Infra Services (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Elite 3 service of bushing and OLTC replacement by Chambal covers 4 transformer rating options (1 MVA to 20 MVA). Highlights: nitrogen or dry air purge on opening, hot oil circulation under vacuum and post-work tan delta and ratio tests. Typically used for captive power plants, state utility asset life extension and industrial distribution transformers. 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-616 series
- Listing type
- Service
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- Mobilisation in 3-5 days
- Warranty
- Oil quality guarantee 6 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-616-01 | Transformer rating: 1 MVA | 1 nos · Mobilisation in 3-5 days | on quote |
| Transformer rating5 MVACHA-616-02 | Transformer rating: 5 MVA | 1 nos · Mobilisation in 3-5 days | on quote |
| Transformer rating10 MVACHA-616-03 | Transformer rating: 10 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating20 MVACHA-616-04 | Transformer rating: 20 MVA | 1 nos · Planned shutdown required | on quote |
Specifications
| Transformer rating | 1 MVA to 20 MVA (see variants) |
|---|---|
| Service | Oil reclamationmade to order: Oil filtration and dehydration / Internal inspection and overhaul / Full overhaul with rewinding |
| Filtration machine | Mobile 12000 L/hrmade to order: Vacuum dehydration 6000 L/hr |
| Oil BDV target | Above 70 kV |
| Moisture target | Below 5 ppmmade to order: Below 10 ppm |
| Testing | Full routine tests after overhaulmade to order: DGA, furan, BDV, tan delta |
| Spares | Bushings and OLTC parts at costmade to order: Gaskets and silica gel |
| Downtime | 2-3 days |
| Site work | Workshop repairmade to order: Hot oil circulation at site |
| Crew | 4 technicians with supervisor |
| Certificate | Overhaul report with test data |