Induction Furnace Transformer Calculator
Calculate active melting power in kilowatts (kW), heavy-duty transformer MVA rating, harmonic K-factor specifications, and forced cooling systems for steel melting and foundry crucibles.
Furnace transformers experience severe electro-dynamic shock loads during charge drop-ins and high-frequency harmonic distortion. TransfoLine manufactures heavy-duty furnace transformers with electrostatic Faraday shields, K-13 / K-20 harmonic mitigation, and Oil Forced Water Forced (OFWF) heat exchangers for steel melting mills across Badami Bagh, Daroghawala, Sundar, Hattar, and SITE Karachi.
Steel Induction Furnace Sizing Matrix (1-Hour Heat Cycle)
| Crucible Capacity | Active Power (kW) | Recommended Transformer MVA | Harmonic K-Factor | Cooling Configuration |
|---|---|---|---|---|
| 0.5 Ton Foundry | 275 kW | 400 kVA - 500 kVA | K-13 | ONAN Oil Natural |
| 1.0 Ton Crucible | 550 kW | 750 kVA - 1.0 MVA | K-13 | ONAF Forced Air |
| 2.0 Ton Standard | 1,100 kW | 1.6 MVA - 2.0 MVA | K-13 | OFWF Water Exchanger |
| 3.0 Ton Re-Rolling | 1,650 kW | 2.5 MVA | K-13 / K-20 | OFWF Water Exchanger |
| 5.0 Ton Steel Mill | 2,750 kW | 3.5 MVA - 4.0 MVA | K-20 | OFWF Dual Secondary |
| 10.0 Ton Complex | 5,500 kW | 7.5 MVA - 8.0 MVA | K-20 | OFWF 33kV Direct |
Get a heavy furnace transformer quotation in 2 hours.
Our specialized heavy power division engineers custom OFWF furnace transformers with copper foil windings, reinforced mechanical bracing, and imported core steel for extreme duty cycles.