How energy storage could transform the railway industry
A recent article published in Renewable and Sustainable Energy Reviews unpacks how energy storage can be strategically integrated into electric rail infrastructure to decrease
This study has been funded by the International Union of Railways (UIC) in the “Methods of energy storage for railway systems" project (RESS/RSMES 2020/RSF/669). (Funding partners ADIF, INFRABEL, NETWORK RAIL, RFI, NS, SBB and SZCZ).
The wide array of available technologies provides a range of options to suit specific applications within the railway domain. This review thoroughly describes the operational mechanisms and distinctive properties of energy storage technologies that can be integrated into railway systems.
_Railway energy storage systems must handle frequeny cycles, high currents, long lifetimes, high efficiency, and minimal costs. The imperative for moving towards a more sustainable world and against climate change and the immense potential for energy savings in electrified railway systems are well-established.
However, measurements indicate only a 19 % recovery rate . Another solution to improve these numbers is installing energy storage systems (ESSs) on trains or substations [24, 25]. Unlike inverters, the energy is retained within the system, preventing losses that typically occur in transformers and rectifiers.
PDF version includes complete article with source references.
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