This work provides an analysis of the impact on AC losses in hairpin conductors, provided by different values of resistivity. Starting from some specific stator geometries, the optimal resistivity which minimizes the AC losses is calculated for each configuration through both analytical and finite element (FE) methods, considering a frequency range typical of automotive applications. Possible applications and conditions where a higher resistivity material, such as aluminum, can be adopted, are discussed. The main sources of discrepancies between the analytical and simulative approach are also discussed.
Investigation of Resistivity Impact on AC Losses in Hairpin Conductors / Pastura, M.; Barater, D.; Nuzzo, S.; Franceschini, G.. - 2021-:(2021), pp. 1-6. (Intervento presentato al convegno 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 tenutosi a can nel 2021) [10.1109/IECON48115.2021.9589047].
Investigation of Resistivity Impact on AC Losses in Hairpin Conductors
Pastura M.;Barater D.;Nuzzo S.;Franceschini G.
2021
Abstract
This work provides an analysis of the impact on AC losses in hairpin conductors, provided by different values of resistivity. Starting from some specific stator geometries, the optimal resistivity which minimizes the AC losses is calculated for each configuration through both analytical and finite element (FE) methods, considering a frequency range typical of automotive applications. Possible applications and conditions where a higher resistivity material, such as aluminum, can be adopted, are discussed. The main sources of discrepancies between the analytical and simulative approach are also discussed.File | Dimensione | Formato | |
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