Ensuring the Continuity of Power Supply to the On-Board Auxiliary Devices of the Trolleybus through the Recuperation of Kinetic Energy

Piotr Hołyszko, Dariusz Zieliński, Andrzej Niewczas, Joanna Rymarz and Ewa Dębicka
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Piotr Hołyszko: Department of Electrical Drives and Machines, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology, 38 Nadbystrzycka St., 20-618 Lublin, Poland
Dariusz Zieliński: Department of Electrical Drives and Machines, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology, 38 Nadbystrzycka St., 20-618 Lublin, Poland
Andrzej Niewczas: Motor Transport Institute, 80 Jagielonska St., 03-301 Warsaw, Poland
Joanna Rymarz: Department of Sustainable Transport and Powertrains, Faculty of Mechanical Engineering, Lublin University of Technology, 38 Nadbystrzycka St., 20-618 Lublin, Poland
Ewa Dębicka: Motor Transport Institute, 80 Jagielonska St., 03-301 Warsaw, Poland

Energies, 2021, vol. 14, issue 16, 1-18

Abstract: When a trolleybus travels through insulated sections of the overhead contact line, it experiences momentary power interruptions, which adversely affect the vehicle’s on-board auxiliary subassemblies. To reduce these negative effects, one can harness energy recovered via regenerative braking. A model power supply circuit diagram for structural systems of the trolleybus is proposed. Simulation tests were carried out to develop a method for analyzing power supply to trolleybus auxiliary devices and verify it in a real-life example. The results allow determination of the limit power that can be generated by the trolleybus drive system to feed auxiliary devices during interruptions in power supply from the overhead contact line. The possibility of powering the on-board auxiliary equipment of a trolleybus using energy from recuperation with a traction motor is presented.

Keywords: trolleybus power supply system; power interruptions; on-board auxiliary devices; continuity of power supply (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 (1)

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