Power Transformer
Up to 100 MVA. Engineered for the Grid.
Custom-engineered power transformers up to 100 MVA, 220 kV class designed in-house, tested in our own laboratory, and commissioned with full documentation for state utilities, IPPs, and large industrial consumers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Capacity range | Up to 100 MVA |
| Voltage class | 220 / 132 / 110 / 115 / 66 / 33 / 11 / 6.6 kV |
| Insulation system | Class A & Class B Oil-Impregnated Paper |
| Cooling | ONAN / ONAF / OFAF / OFWF |
| Tank design | Conventional Radiator Type Tank with Conservator / Corrugated Tanks |
| Standards | IS, IEC, ANSI, IEEE |
| Winding material | Electrolytic Grade Copper / Distribution Aluminium |
| Winding type | Disc / Helical / Continuous Disc / Interleaved Disc / Inter Shield / CTC |
| Vector group | Dyn11 / YNd1 / YNyn0 / YNd11 / Other Vector Groups on Request |
| Insulation levels (kVp) | 75 / 95 / 170 / 325 / 550 / 650 / 950 kVp (As per Voltage Class and Applicable Standards) |
| Tap changer | Off-Circuit Tap Changer / On-Load Tap Changer (External / In Tank) |
| Frequency | 50 Hz / 60 Hz |
| Testing | Complete Routine Tests as per IS, IEC, ANSI, IEEE. Type Tests on request. |
Optional Features
- Online DGA (Dissolved Gas Analysis) Monitoring
- Online Transformer Monitoring System
- Online PD
- Winding Temperature Indicator (WTI)
- Oil Temperature Indicator (OTI)
- Buchholz Relay
- Pressure Relief Device (PRD)
- Magnetic Oil Level Gauge (MOG)
- Marshalling Box with SCADA Interface
- Nitrogen Injection Fire Protection System
- Anti-Corrosive Paint System for Coastal Environments
- Stainless Steel Marshalling Kiosks and Hardware
- Fiber Optic Winding Temperature Monitoring
- Bushing Current Transformers (BCTs)
- Neutral Grounding Equipment
- Seismic Resistant Design
Discuss Your Power Transformer Specification.
Share your MVA rating, voltage class, cooling requirement, and site conditions to our engineering team responds with a technical proposal.