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- W3046932861 abstract "This article presents a comparison of two alternative systems to supply the traction power of a tramway in Cuenca–Ecuador. Each system studies the effective combination of supercapacitors, lithium ion batteries and proton exchange membrane fuel cells (SC/LIB/PEMFC) on board. The first system uses renewable sources (PV/HKT/GB/Grid) supplying the on-board systems through the existing grid and hydrogen charging stations. While the second system uses only grid power from a single point of charge, leaving the tramway without any external connection point throughout their journey. The energy and economic analyses are based on the capacity of each system to supply the load and the resources used. The results show that the new proposed control systems, by means of the analysed configurations made up of different control states, are always capable of perfectly supplying the power required by the tramway throughout their journey. However, when using energy from renewable sources, hydrogen consumption decreases by 4.27% with respect to the grid on each round trip, with a lower net present cost. Furthermore, in the first proposed system, the depth of discharge in SC and LIB is greater." @default.
- W3046932861 created "2020-08-10" @default.
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- W3046932861 date "2020-09-01" @default.
- W3046932861 modified "2023-10-16" @default.
- W3046932861 title "Comparative study of two new energy control systems based on PEMFC for a hybrid tramway in Ecuador" @default.
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- W3046932861 doi "https://doi.org/10.1016/j.ijhydene.2020.06.212" @default.
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