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In this paper, an electric railway Energy Management System (EMS) withintegration of an Energy Storage System (ESS), Regenerative Braking Energy(RBE), and renewable generation is proposed to minimize the daily operatingcosts of the railway station while meeting railway and Electric Vehicle (EV)charging demand. Compared to other railway EMS methods, the proposed approachintegrates an optimal EV charging policy at the railway station to avoid highpower demand due to charging requirements. Specifically, receding horizoncontrol is leveraged to minimize the daily peak power spent on EV charging. Thenumerical study on an actual railway station in Chur, Switzerland shows thatthe proposed method that integrates railway demand and optimal EV chargingalong with ESS, RBE, and renewable generation can significantly reduce theaverage daily operating cost of the railway station over a large number ofdifferent scenarios while ensuring that peak load capacity limits arerespected.

Integrating Optimal EV Charging in the Energy Management of Electric Railway Stations