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Abstract
Train run simulations, which focus on various power- and energy-oriented aspects, should reflect the losses in the electric powertrain. In general, the powertrain efficiency varies with respect to load and speed. Including this relation in simulation requires knowledge about detailed drivetrain parameters, which are often unavailable. This paper verifies the possibility to approximate the drivetrain efficiency in train run simulations by an equivalent constant that provides the same results of total energy usage. A case study of a suburban electric traction unit was selected to compare results of simulations carried out for different operating conditions including: route length, cruising speed and route inclination. The impact of replacing the variable efficiency with the equivalent constant on various outcomes of train run simulations was discussed and the limitations were formulated.
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Full text
- Publication version
- Accepted or Published Version
- License
- Copyright (2019, IEEE)
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Details
- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- 2019 26th International Workshop on Electric Drives: Improvement in Efficiency of Electric Drives (IWED) strony 1 - 6
- Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Jakubowski A., Jarzębowicz L.: Constant vs. Variable Efficiency of Electric Drive in Train Run Simulations// 2019 26th International Workshop on Electric Drives: Improvement in Efficiency of Electric Drives (IWED)/ ed. Lev Rasudov Moskwa: Moscow Power Engineering Institute, 2019, s.1-6
- DOI:
- Digital Object Identifier (open in new tab) 10.1109/iwed.2019.8664313
- Verified by:
- Gdańsk University of Technology
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