Metadata
Author: WikiMatrix
Data
English[en]
Railway electrification in late 20th century tends to use 25 kV, 50 Hz AC systems which has become the preferred standard for new railway electrifications but extensions of the existing 15 kV networks are not completely unlikely.
Spanish[es]
La electrificación ferroviaria a finales del siglo XX tiende a utilizar sistemas de CA de 25 kV, y 50 Hz que se ha convertido en la normativa preferida para nuevas electrificaciones ferroviarias, pero no es completamente improbable que se construyan prolongaciones de las redes existentes a 15 kV.