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Traction transformers for high-speed trains

The high-speed rail sector is undergoing huge and rapid growth. Hitachi Energy draws on considerable experience in designing and manufacturing transformers for high-speed trains.

Hitachi Energy is supplying traction transformers for the high-speed trains manufactured by Alstom, AnsaldoBreda, Bombardier, CAF, Ministry of Railways China, Siemens Mobility, and Talgo.

The total weight of the transformers is a factor of crucial importance in very high-speed trains where every kilo counts. By incorporating a number of design innovations like multi-purpose components such as winding and lightweight materials, Hitachi Energy has reduced the total weight of the transformers. For instance, Hitachi Energy winding enables the train to use both DC and AC systems without adding extra weight.

Product scope:

Electrical

  • Power: 2,500 - 6,000 kVA
  • Network: 25 kV/50 Hz; 15 kV/16 2/3 Hz; 1.5 kV/DC (equipped but not used); 3 kV/DC (equipped but not used); 25 kV/60 Hz
  • Insulating fluid: ester

Mechanical

  • Weight: 4 - 8 tons
  • Size (L x I x H): 3.5 x 2.5 x 0.6 m and 4 x 2.7 x 0.8 m
  • Assembly on vehicle: underframe
  • Tank material: mainly aluminum, steel, low, and high-temperature steel

Accessories: cooling system, pumps and oil flow indicator, oil level detector, overpressure valve, PT100 for thermal control, thermostat, filling and draining valves, Buchholz relay, current measurement

Traction Transformers for high-speed trains
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Traction transformers

Hitachi Energy is the pioneering transformers technology leader and supplies traction transformers for high-speed, locomotives, trains & AC metros applications.
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Transformers for railway

During this fast urbanization, our purpose is to help our customers to meet their mobility demands on rail, land, water, and air, without consuming the earth.
Hitachi Energy Power Transformers

Transformatorer

Hitachi Energy erbjuder distributions- och effekttransformatorer, torrisolerade och EconiQ-transformatorer såväl som tjänster för industriella och handelstillämpningar.
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