Abstract
The aim of the study is to present the techniques and results of numerical-field analysis of the magnetic losses power in a turbogenerator with a complex structure of the stator core. The computational method is based on the search for the maxima of the magnetic induction values in the teeth and yoke of the core by enumerating a multitude of repeating minisectors. From the distribution of these maxima, its rms values are determined for the indicated regions of the core as a whole, and the magnetic losses powers are calculated from it. The method allows to display the calculated models of cores of any shape and practically does not require simplification of their geometric structure. A comparative analysis of the power of magnetic losses in idling and rated load for the core variants in the absence and presence of axial ventilation channels in its yoke and teeth is carried out.
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Schedule a callMore From: Bulletin of NTU "Kharkiv Polytechnic Institute" Series: Electrical Machines and Electromechanical Energy Conversion
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