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This paper presents a generic vector model for the brushless doubly-fed machine (BDFM) with a nested-loop rotor. The vector model is presented for a generic p1/p2 pole-pair BDFM which may have any number of loops per nest. The vector transformations utilized in the derivation of the vector model are provided in general form such that the model can be represented in any appropriate reference frames...
This paper depicts an automatic procedure using MATLAB software to plot circle diagram of an induction motor (IM), namely wound rotor, from no-load and blocked rotor tests. The interest of this approach is to avoid direct test load for predetermining the IM characteristics under reduced powers. Besides, to verify the validity of the equivalent circuit parameters deduced from experimental tests, the...
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