Railways Substation

Innovative and efficient solutions for the traction sector

TMC Transformers - Railways Substation

New electric mobility plays a fundamental role in today’s societies. Its constant, rapid development brings improvements to the entire railway sector. Just think of conventional trains, high-speed trains, the metro or light railways.

TMC Transformers has a wide range of dry type transformers for fixed railway traction electrical substations:

  • Traction transformers
  • Medium voltage distribution transformers for auxiliary services
  • Low voltage transformers and reactors

All these products rely on dry type technology, and different technologies are available:

  • Cast resin
  • VPI
  • Several thermal insulation classes are available: 155ºC, 180ºC, 220ºC
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The ultimate in dry type transformers

The transformers must be designed to take into account the power needs and duty cycles of each substation without exceeding the temperature limits, which would otherwise degrade the insulation.

The H-ART180° technology developed by TMC Transformers improves the performance of the transformer and its expected lifetime.

Our railways products
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Dry type transformer for a traction application according to EN50329 Cl. VI with a nominal power rating of 4MVA and a primary voltage of 33Kv.

It is a solution based on customer special requirements and installed in a railway substation.

The solution is an for a 12 pulse rectifier with uncoupled windings and it is compliant to overload cycle according to the traction standard with only natural air cooling.

Installation is IP00.

On the primary windings surge arrestors phase to ground are installed to protect from overvoltage surge of the power network.

  • Power: 4000kVA
  • Primary voltage: 33kV
  • Two secondary windings - decoupled windings
  • Enclosure: IP00
  • Extra heavy traction duty
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  • Box from IP21 to IP67
  • control units and thermal control
  • P100/TPC type probes and thermostats
  • fans for forced air cooling
  • surge arresters
  • MV connectors
  • terminals
  • anti-vibration set
  • electrostatic shielding
  • infrared windows
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