
Autotransformers for system-forming networks 400–500 kV
Large interconnection autotransformers for extra-high-voltage intersystem substations. They link 400–500 kV networks with 230–275 kV or 120–145 kV networks. Implemented units include an 840 MVA 345/230 kV autotransformer.
- Application
- linking 400–500 kV networks with 230–275 kV or 120–145 kV
- Example design
- 840 MVA 345/230 kV
- Tertiary winding
- delta, to order
- Production
- Nijmegen, Netherlands
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The autotransformer is installed at the boundary of power systems, where a 400–500 kV network connects to a network of a lower class, 230–275 kV or 120–145 kV. The implemented example is rated for 345/230 kV at 840 MVA. A delta-connected tertiary winding is provided to order. Production is in Nijmegen, Netherlands.
Technical specifications
| Application | linking 400–500 kV networks with 230–275 kV or 120–145 kV |
|---|---|
| Example design | 840 MVA 345/230 kV |
| Tertiary winding | delta, to order |
| Production | Nijmegen, Netherlands |
Replacement for
АТДЦТН-200000/330/110, АОДЦТН-167000/500/220, АОДЦТН-267000/500/220
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
Autotransformers for system-forming networks 400–500 kV. 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
Which networks do these autotransformers link?
Networks of 400–500 kV with networks of 230–275 kV or 120–145 kV.
What is the rating of the implemented autotransformer?
The example design is rated 840 MVA at 345/230 kV.
Is there a tertiary winding?
A delta-connected tertiary winding is supplied to order.
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