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2013-02-27 - Colloque/Article dans les actes avec comité de lecture - Anglais - 6 page(s)

De Grève Zacharie , Vallée François , Delhaye Marc , Lossa Unen Geoffrey , Deblecker Olivier , Lobry Jacques , "Contribution to the Determination of the Stator Leakage Reactance of Synchronous Generators" in 14th IEEE International Conference on Industrial Technology (ICIT 2013), Cape Town, South-Africa, 2013

  • Codes CREF : Electricité courants forts (DI2400)
  • Unités de recherche UMONS : Génie électrique (F101), Physique générale (F901)
  • Instituts UMONS : Institut de Recherche en Energétique (Energie)

Abstract(s) :

(Anglais) [1] A. El-Serafi, J. Wu, "A new method for determining the armature leakage reactance of synchronous machines", IEEE Trans. On Energy Conversion, Vol. 6, No. 1, pp. 120-125, March 1991.

(Anglais) In this paper, the limits and consequences of an algorithm proposed in [1] for the determination of the stator leakage reactance of synchronous machines are highlighted. This method requires the recording of the stator voltage/current characteristic of the machine unloaded and unexcited, in addition with the classical open-circuit characteristic. This approach has been implemented in our applications but instability problems appeared during the unloaded and unexcited test. In order to overcome this limitation, the use of a well-known alternative test (the slip test) in specific conditions is proposed here. We applied it to two types of synchronous machines (salient and non-salient pole synchronous machines) and have reached reliable results. Finally, in order to judge the efficiency of the method proposed in [1] in front of measurement errors, a sensitivity analysis was also conducted.