Robust Furnace Transformers for High-Load Industrial Operations

Furnace transformers are specially designed to supply power to electric arc furnaces, ladle furnaces, and induction furnaces, which require very high current at low voltage levels. These transformers are engineered to operate under extreme electrical and thermal conditions, ensuring stable arc performance, efficient energy transfer, and reliable furnace operation.

Powerlite Electricals Private Limited manufactures robust furnace transformers with a practical and customised design approach, built using advanced insulation systems, heavy-duty windings, and precision engineering to withstand high mechanical stress and frequent load fluctuations. Our designs focus on safety, stable voltage regulation, and long-term durability, with each unit tailored to match the pulse requirements, duty cycle, and load behavior of the specific furnace application. We also support low-voltage auxiliary transformer needs where precise control is essential, ensuring consistent performance, extended service life, and full compliance with national and international standards.

TECHNICAL SPECIFICATIONS

Parameter Specifications
Range 250kVA to 10000kVA
Capacity Up to 200 MVA
Voltage Class Up to 33 kV
Frequency 50 Hz / 60 Hz
Phase Three-phase
Current Rating Designed for high current applications
Parameter Specifications
Winding Material Copper
Cooling Type ONAN / ONAF / OFW
Insulation Medium Mineral Oil / Silicone Oil / Ester Oil
Tap Changer Off-Circuit or On-Load Tap Changer
Standards  IS 2026, IS 12977, IEC
Installation Indoor / Outdoor

TECHNICAL SPECIFICATIONS

Parameter Specifications
Range 250kVA to 10000kVA
Capacity Up to 200 MVA
Voltage Class Up to 33 kV
Frequency 50 Hz / 60 Hz
Phase Three-phase
Current Rating Designed for high current applications
Winding Material Copper
Cooling Type ONAN / ONAF / OFW
Insulation Medium Mineral Oil / Silicone Oil / Ester Oil
Tap Changer Off-Circuit or On-Load Tap Changer
Standards  IS 2026, IS 12977, IEC
Installation Indoor / Outdoor

KEY FEATURES

  • Specially designed for induction furnace and arc furnace applications requiring high current and stable performance
  • Capable of handling very high current loads compared to standard distribution transformers
  • OFWF cooling system with 100% standby capacity for reliable continuous operation
  • Customised design tailored to pulse requirements, duty cycle, and load conditions
  • Ensures stable voltage regulation, operational safety, and long service life in demanding environments

APPLICATIONS

Furnace transformers are widely used in steel plants, rolling mills, foundries, metal processing units, and heavy industrial facilities. They are essential for powering induction furnaces, electric arc furnaces (EAF), ladle furnaces (LRF), and submerged arc furnaces (SAF), ensuring efficient metal melting, refining, and production processes.

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