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Power supply

 

Product Showcase: Moving with battery power – Bombardier

19 December 2018 | By

Creating reliable, safe, and sustainable transport that is available to everyone in a world of urban growth and digital change is one of the main challenges of our time. Working with our customers, we at Bombardier create holistic, high-quality mobility solutions that anticipate the needs of tomorrow and maximise value…

‘Railway 2050’

6 September 2016 | By Björn Westerberg, CEO of ASTOC (the Association of Swedish Train Operating Companies)

Sweden has one of the most deregulated railway markets in Europe and the European Commission is striving to promote the Swedish system as a role model for the fourth railway package. The next step in the development of Swedish society requires a sustainable, rapid and efficient transport system. As Björn…

Power quality (and monitoring) in railway systems

26 September 2013 | By Marco Filipe Santos, Head of the Catenary and Electric Traction Department, REFER Engineering S.A

Electrical compatibility between fixed installations and rolling stock, at power supply level, is paramount when dealing with power quality, system availability and reliability. This article addresses power quality and power quality monitoring on alternate current 25 kV electrification systems, focused on overvoltages generated by near resonance frequency harmonics. Theoretical background…

Power Supply Solutions

26 September 2007 | By Maurice Debrand, Managing Engineer, RFF, Margo van Vliet, Senior Consultant and Remco Paulussen, Senior Power Supply Specialist, ARCADIS The Netherlands and Mikaël Beck, Project Management Assistant, ARCADIS France

The dimensioning of power supply systems for railways is complex. To obtain a power supply that fulfils the traffic demands over its lifespan, improving or upgrading of the power system cannot be avoided. The many planned projects for the northern transalpine line Lyon – St Jean de Maurienne and the…