OTR rectifier and converter transformer
OTR, an oil-filled rectifier and converter transformer with secondary current up to 100 kA. It supplies rectifiers and converters with high secondary currents and significant harmonic content.
- Secondary current
- up to 100 kA
- Regulation
- OLTC, booster transformer or autotransformer
- LV windings
- several secondary windings
- Application
- multi-pulse rectifiers, electrolysis, DC traction, variable-frequency drives
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The transformers are used in electrolysis, metallurgy, mining and DC traction. The LV side carries several secondary windings for multi-pulse rectification schemes, and the series is also used to supply variable-frequency drives. Voltage is regulated through an OLTC, a booster transformer or an autotransformer. Manufacturing follows IEC/CENELEC, ANSI/IEEE, NEMA, BS, DIN and GOST, that is, to the requirements of customers in different countries.
Technical specifications
| Secondary current | up to 100 kA |
|---|---|
| Regulation | OLTC, booster transformer or autotransformer |
| LV windings | several secondary windings |
| Application | multi-pulse rectifiers, electrolysis, DC traction, variable-frequency drives |
| Standards | IEC/CENELEC, ANSI/IEEE, NEMA, BS, DIN and GOST |
Replacement for
ТДНП, ТМНП, ТДП, ТРДП (rectifier/converter 6–110 kV)
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
OTR rectifier and converter transformer. 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 41 8504 23 00 45 8504 23 00 80 |
| China customs tariff | 8504 21 00 00 8504 22 00 00 8504 23 11 00 8504 23 12 00 8504 23 13 00 8504 23 21 00 8504 23 29 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What is the maximum secondary current of the OTR transformer?
Up to 100 kA. For multi-pulse rectifiers, several secondary windings are made on the LV side.
How is the voltage of the OTR rectifier transformer regulated?
Through an OLTC, a booster transformer or an autotransformer.
Which industries is the OTR suitable for?
Electrolysis, metallurgy, mining, DC traction and variable-frequency drives.
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