Vacuum Pressure
Impregnated (VPI) Transformer
VPI transformers, a new construction concept designed with minimum flammable material, are suitable for installations that require a particular environment to function.
Advantages
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Key Features
- Designed for 25 years of trouble-free performance
- Design conforms to IS 2026/11171, IEC 76/726, and other international standards
- Low power loss and low noise
- Designed to withstand electric impulses, thermal, and dynamic stresses
- Optimum utilisation of active materials for compactness
- Modern manufacturing techniques to ensure cost effectiveness and reliability
- Installation placed close to centre of load and consumption, thereby saving expenses on LT cable and avoiding voltage drop and power loss
- Fire aversion and prevention of spread
Specifications
- Vacuum-impregnated dry-type distribution transformer
- 3 phase, 50Hz, 11kv/433v
- Reduced maintenance cost
- Off-circuit tap links to provide +5% to -10% taps in steps of 2.5%
- On-load tap changer to provide +5% to -15% taps in steps of 1.25%
- Class F/H insulated
- Vector group Dyn11
- Continuous duty
- Copper wound
- HV side cable box
- LV side cable box/bus duct
- Painting as per IS -5 specification
- Standard fittings
- Rating and diagram plate
- Lifting lugs
- Off-circuit tap links/air-insulated on-load tap changer
- Enclosure with cooling mesh/louvres
Explore Other UPT Transformers
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