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Communication Dans Un Congrès Année : 2021

AC loss modeling of the stator of a 1 MW REBCO superconducting motor for aviation

Enric Pardo
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Thomas Reis
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Résumé

Electric and hybrid-electric aircrafts with distributed propulsion have the potential to reduce commercial-flight emissions. REBCO full superconducting motors are very promising to achieve the required power- over-weight ratio. However, there are concerns about their possibly high AC loss in the stator. Computer modeling can provide design solutions for low AC loss, but these need to be fast and efficient. Here, we present two modeling methods to compute the AC loss in the stator of a 1 MW superconducting motor for aviation. One method combines a commercial Finite Element Method (FEM) with an in- house method based on a variational principle, while the second uses a novel variational method to model the whole motor that does not need meshing the air, avoiding moving mesh issues. Our results show that transposition is not required for distributed stator windings with multi-tape conductors. We also found promisingly low AC loss values for the stator winding, which require neither transposed nor striated tapes.
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Dates et versions

hal-03295724 , version 1 (22-07-2021)

Identifiants

  • HAL Id : hal-03295724 , version 1

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Enric Pardo, Francesco Grilli, Thomas Reis. AC loss modeling of the stator of a 1 MW REBCO superconducting motor for aviation. 7th International Workshop on Numerical Modelling of High Temperature Superconductors (HTS 2020), Kévin Berger (Université de Lorraine - GREEN), Jun 2021, Nancy (Virtual), France. ⟨hal-03295724⟩

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