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 ...