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PARAMETRIC STABILITY OF TWO INDUCTION MOTOR MODELS WITH UNSYMMETRICAL CONNECTION TO THE SUPPLY-LINE

Artem Melikhov, Vadim Tsukanov
The parametric stability regions of two induction machines mathematical models with the unsymmetrical connection to the supply-line were compared in the paper. The first model was formed by only Ohm's and Kirchhoff’s laws use. The second one was formed through the transformations, which are used usually in the classical theory of the electrical machines. As the research the parameter combinations, at which the model stability can not be treated one-to-one, are revealed. The algorithm of Lyapunov’s high-order characteristic index calculation is used for the formation of the induction machine model parametrical stability domains.
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