Rail Vehicles

Prof. Dr.-Ing. Arnd Stephan

Curriculum Vitae

  • Studied electrical engineering/electrical railways at the "Friedrich List" University of Transportation in Dresden, Germany.
  • 1995 Doctorate at the TU Dresden on the power design of traction vehicle transformers
  • Since 1993 at IFB - Institut für Bahntechnik GmbH, first as project manager, then as branch manager and authorized signatory
  • Long-standing expert of the Federal Railway Authority for electrical systems
  • Honorary Professor since 2002 and Professor for Electrical Railway Systems at the TU Dresden since 2008
  • Since 2012 also managing director of IFB

Electric railways

This course covers the fundamentals and characteristics of electric rail systems. Both the electric propulsion technology and the infrastructure required to operate electric railways are considered.

Lecture Content

  • Traction System Requirements for Mass Transit and Main Line Vehicles
  • Three-phase traction systems for DC and AC railways
  • Asynchronous traction motors: characteristics, function and design, design limits
  • Innovative alternative traction motors, magnetic and transverse flux motors
  • Mechanical torque transmission for locomotives, railcars, and low-floor trams
  • Dynamics of traction power transmission at the adhesion limit