A General Model for Describing the Performance of Brushless Doubly-Fed Induction Machines

S. M. Allam, A. M. Azmy, M. A. El-Khazendar

Abstract


 This paper presents a generalized model, by which the dynamic and steady-state behaviour of the Brushless Doubly-Fed Induction Machine (BDFIM) can be precisely predicted. The investigated doubly-fed machine has two sets of three-phase stator windings with different pole numbers. The rotor is a squirrel-cage type with a simple modification in order to support the two air-gap rotating fields that are produced by the stator windings and have different pole numbers. The machine model is derived in the qdo-axis variables. The qdoaxes are attached to rotor and hence, it rotates at the rotor speed (


Keywords


Brushless doubly-fed machine, Dynamic modelling, Steady-state modelling, Generalized theory, Induction machine, Self-cascaded, Speed control, Variable speed drives

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References


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DOI: http://dx.doi.org/10.24200/tjer.vol7iss2pp1-9

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