Influence of uncertainties on the B(H) curves on the flux linkage of a turboalternator - Archive ouverte HAL
Article Dans Une Revue International Journal of Numerical Modelling: Electronic Networks, Devices and Fields Année : 2013

Influence of uncertainties on the B(H) curves on the flux linkage of a turboalternator

Résumé

In this paper, we analyze the influence of the uncertainties on the behavior constitutive laws of ferromagnetic materials on the behavior of a turboalternator. A simple stochastic model of anhysteretic nonlinear B(H) curve is proposed for the ferromagnetic yokes of the stator and the rotor. The B(H) curve is defined by five random parameters. We quantify the influence of the variability of these five parameters on the flux linkage of one phase of the stator winding depending on the excitation current I. The influence of each parameter is analyzed via the Sobol indices. With this analysis, we can determine the most influential parameters for each state of magnetization (according to the level of I) and investigate where the characterization process of the B(H) curve should focus to improve the accuracy of the computed flux linkage.
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Dates et versions

hal-00881702 , version 1 (12-11-2013)

Identifiants

  • HAL Id : hal-00881702 , version 1
  • DOI : 10.1002/jnm.1963
  • ENSAM : http://hdl.handle.net/10985/7482

Citer

Hung Mac, Stéphane Clenet, Karim Beddek, Loïc Chevallier, Julien Korecki, et al.. Influence of uncertainties on the B(H) curves on the flux linkage of a turboalternator. International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 2013, pp.1-14. ⟨10.1002/jnm.1963⟩. ⟨hal-00881702⟩
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