In recent years, the achievement of a renewable and sustainable traction power supply
system (TPSS) in the rail sector has become a significant challenge. Focusing on this issue …

This paper highlights the potential of medium-voltage dc electrification for railway traction. A
method is proposed for determining the dc voltage level in order to guarantee, in terms of …

Recently, the potential of medium voltage DC (MVDC) railway electrification has been
highlighted in the literature. Currently, classical DC electrification systems reach their limits …

The traction load of a high-speed railway (HSR) may cause significant voltage fluctuations in
the traction power supply system and the utility grid. To evaluate power quality, modeling …

Adoption of smart grids has led to significant opportunities in the optimal operation of
systems and energy consumption in utility grid loads. Among the various grid loads …

A significant amount of electric energy is produced applying regenerative braking in railway
systems. The optimum use of this energy can improve the energy consumption efficiency in …

To analyze the negative effects caused by unbalanced traction loads, the key is to build an
efficient load model. This paper proposes a probabilistic traction load model in both …

This article presents an improved cascaded dual-buck ac–ac converter that requires fewer
inductors, resulting in increased power density and reduced converter cost. By utilizing …

Power quality (PQ) problems of AC railway systems have become a major obstacle so that
over the years different compensation methods have been introduced to dominate them …

A high-speed train (HST) is a single-phase load supplied by a three-phase AC grid. The
HST produces unbalanced three-line currents affecting the power quality of the grid. To …