• openAccess   Study of resonances in 1x25kV AC traction systems 

      Monjo, Lluís; Sainz, Luis (2015)
      Abstract: AC traction systems are 1x25 or 2x25 kV 50 Hz single-phase, non-linear, time-varying loads that can cause power quality problems. One of the main concerns about these systems is voltage distortion because ...