Optimal Modulation for Enhanced Performance of Electric Vehicle Drive Trains

Eleftherios Kontodinas; Andreas Kraemer; Petros Karamanakos; Sebastian Wendel

doi:10.1109/JESTPE.2024.3461801

Optimal Modulation for Enhanced Performance of Electric Vehicle Drive Trains

Eleftherios Kontodinas^*
, Andreas Kraemer
, Petros Karamanakos
, Sebastian Wendel

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

2 Citations (Scopus)

17 Downloads (Pure)

Abstract

This paper proposes an optimal modulation scheme which improves the performance of drive trains used in electric vehicles. To this aim, the proposed optimized pulse patterns (OPPs) are computed by minimizing the stator current harmonic distortions while limiting the harmonic winding and converter switching losses. To ensure that the most favorable trade-off between current distortions and system efficiency is achieved, the proposed OPPs are computed based on a model that accurately accounts for the anisotropy of the machine as well as the eddy current effects on its windings and ohmic losses. The proposed OPPs are assessed experimentally with an industrial drive system, and their benefits are clearly demonstrated via comparisons with space vector modulation (SVM) and conventional isotropic OPPs.

Original language	English
Pages (from-to)	1467-1481
Number of pages	15
Journal	IEEE Journal of Emerging and Selected Topics in Power Electronics
Volume	13
Issue number	2
Early online date	16 Sept 2024
DOIs	https://doi.org/10.1109/JESTPE.2024.3461801
Publication status	Published - Apr 2025
Publication type	A1 Journal article-refereed

Funding

The work of Eleftherios Kontodinas was supported by ZF Friedrichshafen AG. The work of Petros Karamanakos was supported by the Research Council of Finland.

Funders
ZF Friedrichshafen AG
Research Council of Finland

Keywords

Electric vehicle (EV)
hairpin winding losses
optimal modulation
optimized pulse patterns (OPPs)
permanent magnet synchronous motor (PMSM)
pulse width modulation (PWM)
semiconductor losses
voltage source inverter (VSI)

Publication forum classification

Publication forum level 2

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/JESTPE.2024.3461801Licence: CC BY-NC-ND

Optimal_Modulation_for_Enhanced_Performance_of_Electric_Vehicle_Drive_TrainsFinal published version, 9.16 MBLicence: CC BY-NC-ND

https://urn.fi/URN:NBN:fi:tuni-202411049818Licence: CC BY-NC-ND

Cite this

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title = "Optimal Modulation for Enhanced Performance of Electric Vehicle Drive Trains",

abstract = "This paper proposes an optimal modulation scheme which improves the performance of drive trains used in electric vehicles. To this aim, the proposed optimized pulse patterns (OPPs) are computed by minimizing the stator current harmonic distortions while limiting the harmonic winding and converter switching losses. To ensure that the most favorable trade-off between current distortions and system efficiency is achieved, the proposed OPPs are computed based on a model that accurately accounts for the anisotropy of the machine as well as the eddy current effects on its windings and ohmic losses. The proposed OPPs are assessed experimentally with an industrial drive system, and their benefits are clearly demonstrated via comparisons with space vector modulation (SVM) and conventional isotropic OPPs.",

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N2 - This paper proposes an optimal modulation scheme which improves the performance of drive trains used in electric vehicles. To this aim, the proposed optimized pulse patterns (OPPs) are computed by minimizing the stator current harmonic distortions while limiting the harmonic winding and converter switching losses. To ensure that the most favorable trade-off between current distortions and system efficiency is achieved, the proposed OPPs are computed based on a model that accurately accounts for the anisotropy of the machine as well as the eddy current effects on its windings and ohmic losses. The proposed OPPs are assessed experimentally with an industrial drive system, and their benefits are clearly demonstrated via comparisons with space vector modulation (SVM) and conventional isotropic OPPs.

AB - This paper proposes an optimal modulation scheme which improves the performance of drive trains used in electric vehicles. To this aim, the proposed optimized pulse patterns (OPPs) are computed by minimizing the stator current harmonic distortions while limiting the harmonic winding and converter switching losses. To ensure that the most favorable trade-off between current distortions and system efficiency is achieved, the proposed OPPs are computed based on a model that accurately accounts for the anisotropy of the machine as well as the eddy current effects on its windings and ohmic losses. The proposed OPPs are assessed experimentally with an industrial drive system, and their benefits are clearly demonstrated via comparisons with space vector modulation (SVM) and conventional isotropic OPPs.

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KW - hairpin winding losses

KW - optimal modulation

KW - optimized pulse patterns (OPPs)

KW - permanent magnet synchronous motor (PMSM)

KW - pulse width modulation (PWM)

KW - semiconductor losses

KW - voltage source inverter (VSI)

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Optimal Modulation for Enhanced Performance of Electric Vehicle Drive Trains

Abstract

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Keywords

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