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Dry Type Transformers For System Earthing

Supplier: TMC Australia

TMC produces dry type earthing transformers with capacities up to 5MVA Duty Cycle 6 and voltages up to 24kV.

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Dry Type Transformers for System Earthing

Dry Type Transformers

TMC produces dry type earthing transformers with capacities up to 5MVA Duty Cycle 6 and voltages up to 24kV.

Earthing Transformers

Dry typen earthing transformers are available in single phase and three phase. Single phase earthing transformers are used between the system neutral and earth.

Three phase earthing transformers are used where there is no neutral available and can be supplied with an auxiliary winding for supply of power to other circuits.

Enclosures

The transformers can be supplied in enclosures to various degrees of protection, or open (un-enclosed) if preferred. Enclosure ratings of IP21 to IP33 are common and protection up to IP66 is also available for extreme conditions and flameproof applications.

Enclosures are fitted with sealed marshalling boxes for temperature and performance monitoring equipment. Enclosures can be fitted with interlocked doors and limit switches to provide additional safety.

Fan Cooling

TMC dry type transformers can be supplied with fans to increase the rated capacity (kVA). Forced directed air circulation permits a continuous power increase of up to 35% 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 (continuous load)
  • Short time load (in Amps for period of time in seconds)
  • Voltages
  • Impedance
  • Number of Phases
  • Operating Frequency
  • Connection Symbol (Vector group)
  • Ambient conditions
  • Design Standard
  • Enclosure Protection Rating
  • Temperature Sensing Equipment
  • Current Sensing Equipment (CT's).

BROCHURE

Download PDF brochure HERE (2.11Mb)

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