Energy Management Systems for Smart Electric
Railway Energy Management Systems (REMS) are a modern green solution that not only tackle these problems but also, by
This study delves into the integration of photovoltaic (PV) and energy storage systems (ESS) into AC railway traction power supply systems (TPSS) with Direct Feed (DF) and Autotransformer (AT) configurations. The aim is to evaluate energy performance, overhead line current distribution, and conductor temperature.
Also, the operational costs of stations under various conditions decrease by applying the proposed method. The smart railway stations are studied in the presence of photovoltaic (PV) units, energy storage systems (ESSs), and regenerative braking strategies. Studying regenerative braking is one of the essential contributions.
Generally, smart electrical railway stations consist of station load, PV generation units, and ESS. In this study, smart railway stations have been considered as networked microgrids that are able to exchange power with each other, besides the utility grid. The structure and components of smart stations and relevant connections are shown in Fig. 1.
The railway power-supply system's stability is impacted by these energy fluctuations. An energy-storage system (ESS) is included to the ERMS as a buffer hub for each power system in order to address this issue.
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