Clean Air Combined air-insulated combined current and voltage transformer up to 420 kV
Clean Air Combined unites a current transformer and a voltage transformer in one device with clean-air insulation for voltages up to 420 kV. It suits cold climates down to −50 °C and seismic regions.
- Voltage class
- up to 420 kV
- Insulation
- clean air
- Seismic withstand
- IEEE, High level
- Temperature
- down to −50 °C and below
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
One combined device is installed in the switchyard instead of separate CTs and VTs. Insulation is clean air. Seismic withstand is confirmed to IEEE at the High level, operating temperature is down to −50 °C and below. Explosion safety complies with IEC 61869-1, class II.
Technical specifications
| Voltage class | up to 420 kV |
|---|---|
| Insulation | clean air |
| Seismic withstand | IEEE, High level |
| Temperature | down to −50 °C and below |
| Explosion safety | IEC 61869-1, class II |
Replacement for
no direct analog (combined current + voltage transformers were not produced in series); the pair ТОГФ-110 + ЗНОГ-110
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
Clean Air Combined air-insulated combined current and voltage transformer up to 420 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8504 31 21 00 8504 31 29 00 |
|---|---|
| HS, 6 digits | 8504 31 |
| CN (EU) | 8504 31 21 8504 31 29 |
| HTSUS (USA) | 8504 31 20 00 |
| China customs tariff | 8504 31 10 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What voltage class does the combined device have?
Up to 420 kV, the current and voltage transformers are assembled in one housing with clean-air insulation.
Is the device suitable for cold climates?
Yes, the operating temperature is down to −50 °C and below.
What are the seismic withstand and explosion safety?
Seismic withstand to IEEE at the High level. Explosion safety to IEC 61869-1, class II.
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