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DC Traction Power Supply

ABB offers a comprehensive range of DC traction substations for all types of applications including urban transport systems, suburban and mainline railways.

Standardized traction voltages are 750 V DC, 1500 V DC and 3000 V DC. 

The three-phase voltage from the local utility is stepped down and rectified in the traction substations to provide the required DC voltage. 

ABB’s portfolio covers the complete scope starting from the optimized grid connection down to the conductor rail or overhead line: 
  • Electrical, mechanical and civil design of the substations
  • Medium-voltage switchgear
  • Rectifier transformers
  • Rectifiers
  • DC switchgear
  • Automatic grounding system and low-voltage limiting devices
  • Substation automation systems (protection, local and remote control)
  • Auxiliary power supply
  • Service and maintenance contracts

Special emphasis is placed on  optimizing the footprint of the substations. ABB addresses this requirement with pre-fabricated steel frame (container) buildings or off-the-shelf concrete buildings, allowing for a compact design and a high degree of integration. These pre-fabricated and transportable substations contain all main equipment, station auxiliaries  and the station control system. 

Reliability and energy efficiency are key drivers for sustainable urban transport systems. ABB is able to offer a complete range of energy management systems with ENVILINE ™, combining automation and power technology competence with specific rail engineering capabilities. 

ABB`s ENVILINE ™ product family covers wayside energy storage as well as braking energy recuperation (reverse feeding).

 

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