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Cited by 13Heat Transfer and OptimizationSilicon Carbide Semiconductor TechnologiesHeat Transfer and Boiling Studies

Model-Based Comparison of Thermo-Hydraulic Performance of Various Cooling Methods for Power Electronics of Electric Vehicles

Nonneman, Jasper, TrJollyn, Ilya, Clarie, Nils, Weckx, Sam, Sergeant, Peter, De Paepe, Michel·2018·2018 17th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)
DOI 10.1109/itherm.2018.8419541
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Abstract

This paper presents a thermo-hydraulic comparison of common and less commonly used cooling methods for power electronics used in electric vehicles, based on models available from literature. The current increase in power density of electric motors requires a higher power delivered by the electronics resulting in a higher heat dissipation. To achieve this, an appropriate method should be selected to cool the junction below the maximum operating temperature. A lot of information about commonly used and more advanced cooling methods is available in literature, but it is difficult to compare these methods for a specific application since the performance is determined starting from different boundary conditions and geometries. However, a comparison of the thermal performance based on the total thermal resistance from coolant to junction, is the starting point when selecting the possible cooling methods. In this paper a comparison is made between the different methods starting from the same conditions, to determine whether the maximum junction temperature can be respected by these methods. For each of the possible cooling methods, a suitable model is selected based on a literature study, which is used to predict the thermal performance. These models are combined with the thermal model of an inverter used in the automotive industry, to predict the junction temperature for a certain flow rate and corresponding pressure drop and pumping power. The obtained results about the thermal performance of the different methods can be used to select the most adequate cooling method by taking into account other criteria (cost, complexity,...). These other criteria such as feasibility and total cost of ownership, are however not studied in this paper. The proposed approach and model-based comparison of this work result in an optimized choice of cooling method and a more performant cooling design.

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  • Nonneman et al. presented a comparison between different cooling strategies under similar conditions.

    “To address this issue, Nonneman et al. [92] presented a comparison between different cooling strategies under similar conditions.”

    From A Review on Electric Vehicles: Technologies and Challenges (2021) · cites this paper as [92]

  • Nonneman et al. accounted for cost, complexity, and practical feasibility to better design inverters for EVs.

    “Unlike other existing works, the authors accounted for other criteria, such as cost, complexity, and practical feasibility to better design inverters for EVs.”

    From A Review on Electric Vehicles: Technologies and Challenges (2021) · cites this paper as [92]

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Related

Authors
Nonneman, J., TrJollyn, I., Clarie, N., Weckx, S., Sergeant, P., & De Paepe, M.
Affiliations
  • Ghent University (BE)
  • Flanders Make (Belgium) (BE)
ORCID
Venue
2018 17th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)
Publisher
IEEE
Published
2018-05
Pages
398-409
ISSN
1087-9870 (ISSN-L)
DOI
10.1109/itherm.2018.8419541
OpenAlex
W2886234712
Cited by
13
References
23
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 2
FWCI
5.41
Type
conference paper
Language
en
Open access
closed
Locations
  • I-THERM :/I-THERM - Intersociety Conference on Thermal Phenomena in Electronic Systems (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer and Optimization
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Silicon Carbide Semiconductor Technologies
  • Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer and Boiling Studies
Keywords
power electronics cooling, electric vehicles, junction temperature, thermal resistance, thermal-hydraulic performance, heat dissipation, pumping power, pressure drop

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