Premium Series

Oil-Filled Power
Transformer

Engineered for durability and performance, our oil-filled transformers are ideal for outdoor and high-load environments. Powertech offers both distribution and power transformers with high reliability and efficiency

Key Highlights

Hermetically sealed & radiator/corrugated tank designs

Ensures long-lasting protection from moisture, oxidation, and environmental factors, reducing maintenance needs.

Excellent dielectric and insulation properties

Enhanced insulation systems offer high breakdown voltage and safe operation in demanding conditions.

Optimized for high impulse voltages

Designed to withstand lightning surges and switching impulses, ensuring reliable grid performance.

Energy-efficient design

Low no-load and load losses provide improved efficiency and lower operational costs.

Long-term service life

Engineered for durability with minimal maintenance requirements, suitable for critical power infrastructure.

Environment-friendly options

Available with silicon or ester oil insulation for improved fire safety and eco-friendliness.

Distribution Transformers

SpecificationDetails
Voltage ClassVoltage Class
Winding MaterialCopper / Aluminium
Cooling TypeONAN / ONAF
DutyIndoor / Outdoor
Vector GroupDyn11 / Dyn5 / Dyn1 or as specified
Tap ChangerOff-circuit or OLTC
Insulating FluidMineral Oil / Silicon Oil / Ester Oil
Applicable StandardsIS 1180, IS 2026, IEC 60076

Power Transformers

SpecificationDetails
RangeUp to 20,000 kVA
Voltage ClassUp to 66kV
Winding MaterialCopper
Cooling TypeONAN / ONAF
Tap ChangerOff-circuit or OLTC
Vector GroupDyn11 / Dyn5 / Dyn1 or as specified
Applicable StandardsIS 2026, IS 1180, IEC 60076

Steel Plants

Reliable power distribution for heavy machinery, rolling mills, and high-load industrial equipment.

Refineries

Supports continuous operation and hazardous environment conditions with high fault tolerance.

Infrastructure & Utilities

Ideal for substations, commercial complexes, and utility grid interconnections.

Metro, Railways & Power Plants

Provides stable power for transportation hubs and critical generation units.

Solar & Renewable Energy Projects

Efficiently integrates power from solar farms or wind plants into distribution networks.

Cement & Chemical Industries

Ensures uninterrupted supply for process control, crushing units, and high-temperature equipment.