Electrification of Road Freight Transport: Energy Flow Analysis of Overhead Line Hybrid Trucks

The ongoing climate change requires alternative, sustainable and future-oriented solutions. Traffic is particularly affected and especially for road freight transport path-breaking solution approaches are strongly needed. One possible solution approach might be the electrification of road freight transport via overhead lines. Combining the advantages of rail with the flexibility of road, the system known as "eHighway" promises to play an important role in the future’s transportation sector. For this purpose, trucks are equipped in addition to their internal combustion engine with a pantograph, an electric machine and a battery. Based on the Hessian eHighway field trial “ELISA” – funded by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety – this paper focuses on the investigation of characteristic energy flow and energy consumption values of the so-called overhead line hybrid trucks (OH trucks). In a first step, the composition of the OH truck's powertrain is examined, the interaction of the individual components of the powertrain is analysed, and the resulting energy flows are identified. The second step is dedicated to the development of a comprehensive calculation method to determine characteristic values for the identified energy flows. The application of the developed method finally leads within the last step to well-founded conclusions, for instance to the absorbed energy of the OH truck from the overhead line, battery charging and discharging values or specific fuel and electricity consumption information of OH trucks.

Language

  • English

Media Info

  • Media Type: Digital/other
  • Features: Figures; Photos; References; Tables;
  • Pagination: 19p

Subject/Index Terms

Filing Info

  • Accession Number: 01842272
  • Record Type: Publication
  • Report/Paper Numbers: TRBAM-22-01108
  • Files: TRIS, TRB, ATRI
  • Created Date: Apr 12 2022 3:30PM