
OTF transformer for arc and ladle furnaces up to 120 MVA
OTF, a furnace transformer rated up to 120 MVA with an insulation level up to LI 350 kV for electric arc, ladle and ore-reduction furnaces. Secondary current is up to 90 kA for steel and up to 160 kA for ferroalloys.
- Rating
- up to 120 MVA
- Insulation level
- up to LI 350 kV
- Secondary current
- up to 90 kA (steel), up to 160 kA (ferroalloys)
- Furnace types
- AC and DC EAF, ladle, ore-reduction
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The transformer is designed for the heavy duty of furnace loads with current surges and overvoltages. It works with AC and DC EAFs, ladle furnaces and ore-reduction furnaces. Voltage is regulated directly by HV taps, through a booster transformer or through an autotransformer. The regulation scheme is chosen to suit the furnace rating and the required secondary voltage range.
Technical specifications
| Rating | up to 120 MVA |
|---|---|
| Insulation level | up to LI 350 kV |
| Secondary current | up to 90 kA (steel), up to 160 kA (ferroalloys) |
| Furnace types | AC and DC EAF, ladle, ore-reduction |
| Regulation | direct by HV taps, booster transformer, autotransformer |
Replacement for
ЭТЦП-…/10–35, ЭТЦПК-…/35, ЭТМПК-…/10, ЭОЦНК (single-phase furnace)
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
OTF transformer for arc and ladle furnaces up to 120 MVA. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 21 00 00 8504 22 10 00 8504 22 90 00 8504 23 00 00 |
|---|---|
| HS, 6 digits | 8504 23 |
| CN (EU) | 8504 21 00 8504 22 10 8504 22 90 8504 23 00 |
| HTSUS (USA) | 8504 21 00 20 8504 21 00 40 8504 21 00 60 8504 21 00 80 8504 22 00 40 8504 22 00 80 8504 23 00 80 |
| China customs tariff | 8504 21 00 00 8504 22 00 00 8504 23 11 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What secondary current does the OTF furnace transformer deliver?
Up to 90 kA for steelmaking furnaces and up to 160 kA for ferroalloy furnaces.
Which furnaces is the OTF suitable for?
AC and DC EAFs, ladle furnaces and ore-reduction furnaces, with a transformer rating up to 120 MVA.
How is the secondary voltage of the furnace transformer regulated?
Directly by HV taps, through a booster transformer or an autotransformer.
Similar equipment from other manufacturers






