• openAccess   Resonance-Based Procedure for Locating Failed Luminaires in AGL Systems 

      Vidal Lombarte, Daniel; Monjo, Lluís; Sainz, Luis Institute of Electrical and Electronics Engineers (IEEE) (2017-08)
      Aeronautical ground lighting (AGL) systems provide a visual reference for aircraft during airport operations. Fast detection and location of failed luminaires is an important safety concern in AGL systems. In the event of ...
    • openAccess   Study of Resonances in 1X25 kV AC Traction Systems With External Balancing Equipment 

      Mesbahi, Nadhir; Monjo, Lluís; Sainz, Luis IEEE (2016-10)
      AC traction systems are 1 × 25 or 2 × 25 kV/50 Hz single-phase, nonlinear, time-varying loads that can cause power-quality problems, such as unbalanced or distorted voltages. To reduce unbalance, external balancing equipment ...
    • openAccess   Wind power plant resonances 

      Sainz, Luis; Cheah-Mane, Marc; Monjo, Lluís; Liang, Jun; Gomis-Bellmunt, Oriol North Sea Conference & Journal LTD (2016-12)
      Onshore and offshore wind power plants comprising wind turbines equipped with power converters are increasing in number worldwide. Harmonic emissions in power converters distort currents and voltages, leading ...