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Machine synchrone à plots supraconducteurs : Etude et réalisation

Abstract : We have designed and tested an 8-pole superconducting machine. The inductor is based on the principle of flux concentration using bulk superconductor. This principle allowed a high variation of the magnetic flux induction in the air-gap of the machine. Calculations have been carried out in two steps. Firstly, the magnetic scalar potential is calculated using the Monte Carlo method. Secondly, using the regularisation method the magnetic flux density is obtained by the derivation of the magnetic scalar potential. Theoretical study of a several MW machine has been developed, it allows to compare results obtained with different kind of high and low temperature superconductors. This study shows the advantages of the BiSrCaCuO high temperature superconductor wire especially cooled to 4,2 K. The realised machine has a stationary inductor and a rotating armature. This configuration is selected to simplify the cooling system. A cryostat is designed for a sufficient test period. The tests results show the feasibility of the flux concentration principle to realise an electrical machine.
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Submitted on : Thursday, March 29, 2018 - 10:41:21 AM
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  • HAL Id : tel-01746616, version 1



El Hadj Ailam. Machine synchrone à plots supraconducteurs : Etude et réalisation. Autre. Université Henri Poincaré - Nancy 1, 2006. Français. ⟨NNT : 2006NAN10050⟩. ⟨tel-01746616⟩



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