Methods of energy recovery in batteries during regular operation of BEMU

Abstract

The paper addresses the operational possibilities of battery electric multiple units (BEMU) on non-electrified railway lines and analyses various charging methods. It provides a detailed discussion of charging options through overhead contact lines, pre-heating stands, standard sockets, and dedicated charging equipment. Furthermore, the paper explores the use of conventional electrification approaches such as extending services onto electrified lines, establishing charging islands, or shortening nonelectrified terminal sections.