Abstract

Due to specific shape of electromagnetic circuit in disk-type motors, electromagnetic calculations should make use of three-dimensional models. However, such calculations are very time-consuming and this poses practical problems. The answer might be to use other alternative methods (not based on 3D models), which would make it possible to obtain appropriately accurate results. Comparison of calculation results obtained with elaborated alternative computational methods for electromagnetic circuits of disk-type induction motors is given in this paper. The results have been compared with FEM 3D results and verified by lab test results (tests run with a physical motor model). When definite simplifications are adopted, the alternative computational methods make it possible to reduce computational time in a significant way. The achieved results are highly convergent with results acquired for real model.

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