Abstract
One of the most common types of failures in induction motors with squirrel cage rotor is examined in this paper. Generally, such failure is characterized by: broken rotor bars and short circuit in the inter-turn winding. The broken rotor bars failure was simulated with two consecutive broken bars in order to see how the magnetic flux density within be affected. The inter-turn short circuit was simulated with 40% reduction of winding coil in an inter-turn short circuit for one of the phases. In both cases the simulation was performed with the finite element software FEMM© , which helped in obtaining the waveform of the flux density in the motor airgap and the magnetic core. The result obtained allows clear identification of the type of failures that occurs depending of type that will present in the simulation.
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