Abstract
This work uses a methodology based on 2D-finite element method (FEM) and on circuit theory (independent currents method) to analyze the inter-bar currents on the rotor of cage induction motors. The multislice technique is used to consider the skewing effect. Three conditions are considered: one inter-bar resistance; two inter-bar resistances; and three inter-bar resistances. The results show the distribution of currents in the rotor bars, short-circuit rings and transversal resistances at a given time. The fundamental component of the inter-bar and surrounding bar currents are shown to help understand the phenomenon.
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