Enviline™ TDR - Traction Diode Rectifier

The most reliable and cost effective rectification solutions for DC rail transportation.

To power trains, metros and trams, it is necessary to use an electronic power converter (traction rectifier) to convert alternating current into direct current. The Enviline TDR (Traction Diode Rectifier) is the most reliable and cost effective rectification solution for DC rail transportation.

We have more than 50 years of experience in design, construction and commissioning of Traction Diode Rectifiers. Based on the proven robust technology, we offer standard and tailored solutions to minimize cost and risk. More than a thousand of our units are in successful operation in various applications around the world.

Product range

  • Operating voltage range up to 4000 V, power range up to 8 MW 

Key benefits

  • Highest reliability
  • Cost effective
  • Localized support
  • Tailored solution, variety of additional equipment
  • Minimized risk, numerous protection features
  • Long lifetime

Key features

  • Proven and robust technology
  • Minimal operational and maintenance costs
  • Easy maintenance
  • High overload capability
  • High level of conformity with individual requirements as well as international standards
  • Compatible with all DC supply systems


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