Oil-Filled Finned Transformers

As a suitable option for electrical systems installed outdoors, without the need for cover or a special design, Kraper is expanding its line of transformers to include three-phase medium-voltage transformers immersed in insulating oil.

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Oil-Filled Finned Transformers

Focused primarily on industrial and power generation applications from various sources, our transformers are designed and tested in accordance with ABNT-NBR 5356, 5440 and 12454 standards, with electrical and mechanical designs that take into account specific parameters for each application, ensuring that each solution is specific and suitable to facilitate its safe and agile installation in the field.

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TECHNICAL INFORMATION

Construction type: Elliptical or Finned Radiators Cooling: Immersed in mineral or vegetable insulating oil Power: Up to 20MVA Voltage class: Up to 36.2kV Standard connection: Delta primary and star secondary with accessible neutral; Thermal class of insulating materials: A (105ºC) or E (120 °C) Conductor material: Aluminum or Copper Installation: Indoor or Outdoor Painting: Munsell Gray N6.5 Maximum ambient temperature: 40 °C Installation altitude: 1000 m above sea level Average temperature rise of windings: between 55 °C and 65 °C Standards: ABNT NBR 5356, 5440 and 12454.