Trends and recent studies on hybrid railway vehicles

Abstract

Recently, diesel-battery hybrid railway vehicles have been introduced into operation on commercial lines, which enable on-board battery charging through regenerative energy and discharging. Furthermore, battery-mounted EMUs have been manufactured for use in transition zones between electrified and non-electrified sections. Thus, a variety of hybrid railway vehicles with energy storage devices have appeared over recent years. This report describes the trends in and recent studies on these hybrid railway vehicles.