Abstract
In the literature the effects caused by a single or several adjacently broken rotor bars, or a broken end ring are thoroughly investigated. The phenomenon of various non-adjacently broken rotor bars has not been studied, so far. Since non-adjacently broken rotor bars may give rise to fault signatures which are not directly related with the fault extent, it is important to understand the nature of multiple electrical rotor asymmetries in induction machines. The purpose of this paper is thus to investigate several combinations of electrical rotor asymmetries to systematically elaborate the phenomena related with broken bars and end rings. In this paper a sophisticated simulation model and measurement results are used to analyze the phenomenon rotor fault.
Published Version
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