Our partner Oil-Transformers

designs and manufactures apart from distribution transformers also special transformers

Distribution liquid-filled-Transformers

Voltage 6kV – 72,5kV
Power 50 kVA – 3150kVA
according to IEC 60076 / 1783/2015

TECHNICAL DATA

  • Tappings Primary Voltage +/- 2x2,5 % or according to requirement
  • Secondary Voltage 400 V
  • Frequency 50 Hz
  • Vector Group according Standard
  • Type of Cooling ONAN or KNAN
  • Temperature Class of Insulation A/A
  • Protection Degree IP00 to IP54
  • Winding Material AL/AL
  • Maximum Altitude 1000 m or according to requirement

Power-liquid-filled-Transformers

Voltage 33kV - 245kV
Power 6MVA – 160MVA

  • Main applications
  • Service sector (Hospitals, Hotels, Schools, Shopping Centres, etc.)
  • Infrastructures (Airports, Military Installations, Ports, etc.)
  • Industrial sector (Chemical Industries, Paper Factories, Silos, etc)
  • Elevation of energy (wind farms, photovoltaic, hydroelectric power stations, etc.)
  • Traction (Railways, Trams, etc.)
  • Maritime (Cruises, Offshore Platforms, etc)

Charateristics of Cast-Resin-Transformers

Charateristics Oil Dry Type Cast Resin
Flammability Yes No No
Self-extinguishing in case of electrical damage or failure No Yes Yes
Necessity of anti-fire structures such as oil bunds and fire walls Yes No No
Hygroscopicity of insulating materials No Yes No
Environmental pollution Yes No No
Resistance stability to short circuit phenomena No No Yes
Treatment required prior to energize after long term storage No Yes Yes
Maintenance required Yes Yes Yes
Environmental pollution risk due to liquid losses Yes No No
Ability to withstand humid, saline and tropical environments Yes No Yes
Installation close to the load-centre No No Yes
Reliability without maintenance and minimal requirement for specialised labour for installation. No No Yes
Finished Products to withstand high, immediate and short overloads owing to reduced current density and high thermal factor (excellent for Rail application) No No Yes