Catalogue / Transformer overhaul & oil filtration
On-site core and winding inspection, Core seriesSample
by Sahyadriakshay Engineering Services (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Core service of on-site core and winding inspection by Sahyadriakshay covers 6 transformer rating options (5 MVA to 315 MVA). Highlights: core insulation resistance checks, oil sampling and DGA before work and leak testing before energisation. Typically used for state utility asset life extension, solar and wind pooling substations and captive power plants. Delivered in line with IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance) and IEC 60422. Mobilisation Planned shutdown required; serves West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Sahyadriakshay
- Model
- SAH-1C6 series
- Listing type
- Service
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- Planned shutdown required
- Warranty
- Oil quality guarantee 6 months
- Standards
- IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance), IEC 60422
- Delivers to
- West India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- 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 rating5 MVASAH-1C6-01 | Transformer rating: 5 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating10 MVASAH-1C6-02 | Transformer rating: 10 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating20 MVASAH-1C6-03 | Transformer rating: 20 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating50 MVASAH-1C6-04 | Transformer rating: 50 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating100 MVASAH-1C6-05 | Transformer rating: 100 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating315 MVASAH-1C6-06 | Transformer rating: 315 MVA | 1 nos · Planned shutdown required | on quote |
Specifications
| Transformer rating | 5 MVA to 315 MVA (see variants) |
|---|---|
| Service | Internal inspection and overhaulmade to order: Oil filtration and dehydration / Oil reclamation / Full overhaul with rewinding |
| Filtration machine | Vacuum dehydration 6000 L/hr |
| Oil BDV target | Above 60 kVmade to order: 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 | Gaskets and silica gel |
| Downtime | 3-4 weeks |
| Site work | Workshop repair |
| Crew | Specialised overhaul teammade to order: 4 technicians with supervisor |
| Certificate | Oil test report from NABL labmade to order: Overhaul report with test data |