Route Profile Dependent Tram Regenerative Braking Algorithm with Reduced Impact on the Supply Network

Ivan Radaš, Ivan Župan, Viktor Šunde and Željko Ban
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Ivan Radaš: Faculty of Electrical Engineering and Computing, University of Zagreb, 10000 Zagreb, Croatia
Ivan Župan: Faculty of Electrical Engineering and Computing, University of Zagreb, 10000 Zagreb, Croatia
Viktor Šunde: Faculty of Electrical Engineering and Computing, University of Zagreb, 10000 Zagreb, Croatia
Željko Ban: Faculty of Electrical Engineering and Computing, University of Zagreb, 10000 Zagreb, Croatia

Energies, 2021, vol. 14, issue 9, 1-22

Abstract: Electric trams are one of the standard forms of public transport. They are characterized by large amounts of electric current and electric current gradient from the power grid, especially during acceleration. For this reason, a regenerative braking system is considered with the aim of reducing electric current peaks and increasing energy efficiency by reducing the total energy consumption of the power grid. A supercapacitor module is used as a storage device for storing and utilizing the braking energy. The supercapacitor module and the power grid constitute a hybrid energy system, for which a control algorithm has been developed. The control algorithm takes into account the influence of the elevation profile and the slope of the vehicle route in storing and using the braking energy. The operation of the algorithm was simulated and analyzed using the MATLAB/Simulink software package for tram lines with different elevation profiles.

Keywords: regenerative braking; supercapacitor; energy storage system; energy control algorithm; track elevation profile (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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