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Economic, competitive or energy efficiency factors require designing smaller and more efficient machines that pose greater demands on its design. This, coupled with the need to reduce time and production costs requires the use of simulation software as basic design tool. One of these requirements is to know the thermal behaviour of the machine, subject on which this paper focuses. Based on the electromagnetic study of permanent magnet synchronous machine (PMSM), performed using finite elements, a special attention is given to the calculation of iron losses that are later used to simulate its thermal behaviour. The results are compared with those obtained in real tests of the machine on steady states allowing validate the method, to later on, analyse the transient behaviour of the machine.

Application of new tools in the thermal behavior study of electrical machines