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Oil Cooled Transformers For Rectifiers

Supplier: TMC Australia

TMC oil cooled rectifier transformers are designed, manufactured and tested in accordance with the latest issue of IEC and Australian standards according to customer specifications

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Oil Cooled Transformers for Rectifiers

Oil Cooled Transformers

TMC has a long and successful history of production of oil cooled power and distribution transformers. TMC produces oil cooled transformers with capacities up to 30MVA and voltages up to 72kV.

TMC oil cooled rectifier transformers are designed, manufactured and tested in accordance with the latest issue of IEC and Australian standards according to customer specifications.

Rectifier Transformer Characteristics

Transformers for 12 pulse and 24 pulse rectifiers. Star/Delta, interconnected star (zigzag) and polygon connections. Close coupling between secondaries is normal, loose coupling is also available.

For 24 pulse systems, the interphase transformer can be designed and installed in the tank along with the two transformers. Secondary terminations can be arranged to align with rectifier connections. Duty cycle derating is available.

Fan Cooling

TMC oil cooled transformers can be supplied with fans and pumps to increase the rated capacity (kVA). Forced directed oil circulation and/or forced air cooling of radiators permits a continuous power increase of up to 25% above the rated capacity.

Fans can be used to economically provide extra capacity for overload conditions such as cyclic load peaks and traction loads.

Information Required with Enquiry:

  • Rated Power
  • Voltages (at no-load)
  • Voltage tapping range.
  • Impedance
  • Overload conditions
  • Natural or fan cooling
  • Number of Phases
  • Operating Frequency
  • Connection Symbol (Vector group)
  • Rectifier Transformer connection type to AS1955.
  • Ambient conditions
  • Design Standard
  • Enclosure Protection Rating
  • Temperature Sensing Equipment
  • Current Sensing Equipment (CT's).

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