F1 / E2 / C2 Certified Safety
Tested for maximum resistance to fire propagation (F1), severe industrial condensation/pollution (E2), and low-temperature operation down to -25°C (C2). Safe for dense commercial and healthcare facilities.
Synergy Transformers Pvt. Ltd. is a premier Indian manufacturer and global exporter of high-performance Cast Resin Dry Type Transformers (CRT) and Vacuum Pressure Impregnated (VPI) Dry Type Transformers rated up to 3500 kVA in 11 kV, 22 kV, and 33 kV voltage classes.
Designed for applications where liquid-filled transformers pose fire or environmental risks, our dry-type units utilize self-extinguishing epoxy resin and high-grade Class H/F insulation. Every unit is engineered to deliver high dielectric strength, low partial discharge (< 10 pC), and superior mechanical resistance to short-circuit forces.
Engineered to rigorous international standards for uninterrupted operation in critical indoor and harsh industrial environments.
Tested for maximum resistance to fire propagation (F1), severe industrial condensation/pollution (E2), and low-temperature operation down to -25°C (C2). Safe for dense commercial and healthcare facilities.
Precision foil-wound coils distribute axial mechanical stresses evenly during power surges. This design eliminates electrical hot-spots, lowers harmonic losses, and extends operational lifespan to 30+ years.
Without transformer oil, there is no need for periodic fluid sampling, gas testing, or seal replacement. Downtime is drastically reduced, delivering a lower Total Cost of Ownership for facility managers.
Flexible engineering capabilities compliant with international utility, industrial, and commercial procurement specifications.
| Technical Parameter | Cast Resin Transformer (CRT) | VPI Dry Type Transformer |
|---|---|---|
| Power Rating Range | 100 kVA to 3500 kVA | 50 kVA to 2500 kVA |
| Voltage Class | Up to 33 kV Class (11 kV, 22 kV, 33 kV) | Up to 11 kV / 22 kV Class |
| Insulation Thermal Class | Class F (155°C) / Class H (180°C) | Class H (180°C) / Class C (220°C) |
| Cooling Method | Air Natural (AN) / Air Forced (AF for +33% output) | Air Natural (AN) / Air Forced (AF) |
| Winding Conductor | Electrolytic Copper / High-Grade Aluminium Foil | Electrolytic Copper / Aluminium Strip |
| Enclosure IP Rating | IP00 (Unenclosed), IP20, IP21, IP23, IP31, IP44 | IP20, IP21, IP23, IP31 Sheet Steel Enclosure |
| Partial Discharge Level | < 10 pC (Exceeds IEC requirements) | < 20 pC |
| Applicable Standards | IEC 60076-11, IS 11171, IEEE C57.12.01, EN 60076-11 | IEC 60076-11, IS 11171, ANSI C57.12.01 |
Customized enclosures, thermal protection sensors, and forced-air cooling options sized for demanding load profiles.
Complete fire safety compliance for installation in indoor basements, utility floors, and shopping centers.
High reliability with minimal electromagnetic interference and low vibration noise for sensitive server rooms.
Non-toxic, self-extinguishing insulation ensuring public safety and continuous life-support power delivery.
Heavy duty cycle capability built to handle frequent load spikes and high thermal shocks in transit substations.
Corrosion-resistant epoxy resin encapsulation engineered for chemically aggressive and humid environments.
Multi-winding step-up configurations for solar PV inverters and wind turbine towers in harsh coastal zones.
Full traceability of raw materials and comprehensive witness testing support for international buyers and EPC contractors.
Every dry-type transformer undergoes comprehensive routine tests including Voltage Ratio, Vector Group, Winding Resistance, Insulation Resistance, Separate Source Withstand, Induced Overvoltage, and Partial Discharge verification.
Design validation certificates available for Lightning Impulse Withstand, Temperature Rise, Short-Circuit Withstand, Sound Level Measurement, and Environmental/Climatic Class performance.
Full support for client witness testing and third-party inspection agencies including SGS, Bureau Veritas, Intertek, T&D consultants, and international EPC auditing teams prior to seaworthy packing.