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Voltage Transformers

Products > Voltage Transformers
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TWS Energy Controls provides a complete custom design service so you get exactly the right voltage transformer to meet your specific application. We have indoor and outdoor voltage transformers available 12kV, 24kV and up to 36kV.

We provide single, two or three phase units, with one or two secondary windings that can be dual class, i.e. 0.5/3P. The 3.6kV and 6.6kV units can be fully insulated for phase-to-phase operation.

Outdoor Voltage Transformers

Enclosure:

High voltage oil-filled tanks are available in the following finishes:

  • hot dipped Galvanised
  • painted finish (to your colour)
  • powder coated mid steel
  • stainless steel

Ratios:

3.3kV, 6.6kV, 11kV, 22kV and 33kV with 36.67/63.5/110V Secondaries.

Burden:

Depends on the requirements but usually less than 100VA.

Class:

Metering and protection classes can be accommodated.

Insulation:

Uninhibited oil.

Connections:

Normally YNyn0 with optional delta secondary

Primary Terminations:

Tin-plated palm terminals on porcelain bushings.

Secondary Terminations:

Klippon SAK 6N terminals or fuses.

Testing:

Manufactured to IEC or AS standards. All transformers are tested in the TWS Energy Controls' high voltage test laboratory and supplied with test certificates to meet the requirements of the standards.

Indoor Voltage Transformers

Enclosure:

Resin cast

Ratios:

3.3KV, 6.6KV, 11KV,22KV and 36KV with 36.67/63.5/110V secondaries

Burden:

Depends on class but up to 100VA/Phase

Class:

Metering and protection classes can be accommodated.

Testing:

Manufactured to IEC or AS standards. All transformers are tested in the TWS Energy Controls' high voltage test laboratory and supplied with test certificates to the requirements of the standards.

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