VACUTAP VV vacuum OLTC for 40–145 kV transformers
Compact VACUTAP VV vacuum on-load tap changer for small and medium power transformers with Um 40–145 kV, including 110 kV distribution substations. Through current is up to 600 A in three-phase and up to 400 A in single-phase design.
- Highest voltage for equipment Um
- 40–145 kV
- Rated through current
- up to 600 A (3-phase), up to 400 A (1-phase)
- Step voltage
- up to 2000 V
- Step capacity
- up to 700 kVA
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Step voltage is up to 2000 V and step capacity up to 700 kVA. The number of positions is up to 12 without a pre-selector and up to 23 with a pre-selector. The tap changer is installed in the neutral (three-phase design) or at any point of the winding. Its compact dimensions simplify the layout of 110 kV transformers for distribution substations.
Technical specifications
| Highest voltage for equipment Um | 40–145 kV |
|---|---|
| Rated through current | up to 600 A (3-phase), up to 400 A (1-phase) |
| Step voltage | up to 2000 V |
| Step capacity | up to 700 kVA |
| Number of positions | up to 12 without pre-selector, up to 23 with pre-selector |
| Application | in the neutral (3-phase) or at any point of the winding |
Replacement for
no direct analogue (vacuum OLTCs) exists; the closest are OLTCs of type РНОА-110/1000, РНТА-35/200, РС-4, РС-9
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
VACUTAP VV vacuum OLTC for 40–145 kV transformers. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 90 00 00 |
|---|---|
| HS, 6 digits | 8535 90 |
| CN (EU) | 8535 90 00 |
| HTSUS (USA) | 8535 90 80 60 |
| China customs tariff | 8535 90 00 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
Is the VACUTAP VV suitable for 110 kV transformers?
Yes, the Um range of 40–145 kV covers transformers of 110 kV distribution substations.
What are the current and step capacity of the OLTC?
Up to 600 A in three-phase and up to 400 A in single-phase design, step capacity up to 700 kVA, step voltage up to 2000 V.
Where in the winding is the tap changer installed?
In the neutral (three-phase design) or at any point of the winding.
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