Possibilities for determining the energy consumption of electric locomotives during acceleration and constant-speed traction

Szabolcs Fischer (), Bence Hermán and Szabolcs KOCSIS Szürke
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Szabolcs Fischer: Department of Transport Infrastructure and Water Resources Engineering, Széchenyi István University, Győr, Hungary

Cognitive Sustainability, 2025, vol. 4, issue 2, 20-33

Abstract: Electric locomotives are integral to sustainable railway transportation, where optimizing energy consumption is crucial for efficiency and environmental impact reduction. This study investigates energy usage during acceleration and constant-speed traction in Siemens Taurus 0470-series locomotives operating on the Sopron–Győr railway line (Line 8 in Hungary). Using empirical data from onboard computer displays, video recordings, and Optical Character Recognition (OCR), the research applies statistical correlation methods to analyze energy consumption trends. The study identifies key influencing factors, including acceleration energy correction coefficients (α1 = 1.2981, α2 = 1.3151) and specific energy consumption values at constant speeds, averaging 0.00204 kWh/kN/km at 120 km/h with a 21.12% relative standard deviation value. Heatmaps illustrate energy consumption patterns, highlighting peak usage near stations and track turnouts. The findings support refining energy models and driving strategies while emphasizing the potential benefits of regenerative braking, timetable optimization, and advanced driver assistance systems. By integrating these insights, railway operations can achieve enhanced energy efficiency and long-term sustainability.

Keywords: electric locomotive; Siemens Taurus locomotive; energy consumption; acceleration; traction with constant speed (search for similar items in EconPapers)
JEL-codes: N74 R41 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.55343/CogSust.154

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