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20MVA, 33KV 5 Winding Transformer |
20MVA, 33KV 5 Winding Transformer |
KLR Transformers

Furnace Transformers

Built for Continuous Duty.

Induction and arc furnace transformers up to 30 MVA, 33 kV designed for the extreme thermal, electrical, and mechanical demands of steel, metal, and ferro-alloy production where transformer failure means furnace downtime.

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Technical Specifications

ParameterSpecification
Capacity rangeUp to 30 MVA
Voltage classUp to 33 kV
Secondary voltageCustomized as per Furnace Requirement
ApplicationInduction Furnaces, Arc Furnaces, Ladle Furnaces, Ferro-Alloy Furnaces
Insulation systemClass A Oil-Impregnated Paper
CoolingONAN / ONAF / OFAF / OFWF
Tank designHeavy-Duty Conventional Radiator Type Tank
StandardsIEC, IS
Winding materialElectrolytic Grade Copper
Winding typeDisc / Helical / Pair Disc
Vector groupFurnace Duty Vector Groups as Required
Insulation levels (kVp)Up to 170 kVp (As per Voltage Class)
Tapping rangeOff-Circuit Tap Changer / On-Load Tap Changer (In-Tank or External)
Frequency50 Hz
Short-circuit strengthDesigned for Severe Electromechanical Stresses
TestingComplete Routine Tests as per IS / IEC. Type Tests on request.

Optional Features

  • Designed for induction, arc, and ladle furnace applications
  • High-current, low-voltage secondary winding design
  • Reinforced mechanical structure for repetitive short-circuit forces
  • Heavy-duty thermal design for continuous furnace operation
  • Optimized for severe load fluctuations and unbalanced loading
  • High reliability and long service life in steel and ferro-alloy plants
  • Robust cooling systems for demanding industrial environments

Specify Your Furnace Transformer.

 Share your furnace type (induction or arc), MVA rating, secondary voltage, and duty cycle. Our engineering team will configure a transformer to your exact process requirements.

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