The Use of Energy Storage Systems for Supporting the Voltage Needs of Urban and Suburban Railway Contact Lines

Diego Iannuzzi, Enrico Pagano and Pietro Tricoli
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Diego Iannuzzi: Electrical Engineering Department, University of Federico II, Naples, via Claudio 21, 80125 Naples, Italy
Enrico Pagano: Electrical Engineering Department, University of Federico II, Naples, via Claudio 21, 80125 Naples, Italy
Pietro Tricoli: School of Electronic, Electrical and Computer Engineering, University of Birmingham, Gisbert Kapp Building, Birmingham B15 2TT, UK

Energies, 2013, vol. 6, issue 4, 1-19

Abstract: The paper aims to contribute to the use of electric double layer capacitor (EDLC) sets for boosting voltages of contact lines in urban and suburban railway traction systems. Different electrical configurations of contact lines are considered and investigated. For each of them, proper mathematical models are suggested to evaluate the electrical performances of the contact lines. They give rise, also, to sample design procedures for the sizing of the most appropriate energy storage systems, to be distributed along the lines, for boosting line voltages and avoiding undesired voltage drops. A numerical example based on the “Cumana” suburban Naples railway network is presented to give an idea of the weights and sizes of electric double layer capacitors needed to boost the voltage of a sample contact line. In particular, three different EDLC systems, for a overall installed energy of 9.6 kWh, have been placed nearby the stations presenting the highest voltage drops during the most representative situation of trains’ service. The new voltage drop is equal to 32% of that obtained in absence of EDLCs.

Keywords: energy management; light railway systems; power peak compensation; EDLC storage systems (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: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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