Oil filled distribution transformer on request

In line with the standards
EN 50588-1 AAoAk
Eco design (Eu) 548-204 TIER 2
CEI 60076-1
Extra reduced losses AAoAk

Rated poweron request
Rated primary voltageon request
Rated secondary voltage (off load)on request

Standard technical specifications

  • Cooling: ONAN (natural)
  • Thermal classification-(Heatings) oil and windings: A- 65/60 K
  • Max. ambient t°: 90°C
  • Primary off load voltage regulation: +-2,5+-5%
  • Max. rated primary insulation level: 17,5 kV
  • Rated secondary voltage: 420 volt
  • Vector group: Dyn11
  • Frequency: 50 Hz

Fittings

Standard fittings:

  • 3 HV Plug in Bushings fixed part only
  • 4 LV DIN porcelain Bushings with their cable clamps
  • 2 earthing terminals
  • 2 lifting lugs
  • 1 rating plate Cotrabel Dutch/French
  • 1 filling plug
  • 1 combined drain and sampling valve Type DIN
  • 1 Thermometer 2C with T° max.needle
  • 4 bi-directional flat rollers

Execution

  • Hermetical sealed type
  • Mineral oil or similar in accordance with the standard IEC60296 class II
  • Bolted cover
  • Overloads in accordance with the standard IEC 60354
  • Tolerances in accordance with the standard IEC 60076-1
  • Aluminium windings

Remark

Po and Pcc losses without tolerances