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Iron losses in PM synchronous machine

To: femm@xxxxxxxxxxxxxxx
Subject: Iron losses in PM synchronous machine
From: <vecerkaj@xxxxxxx>
Date: 10 May 2001 03:31:29 MDT

Hi everybody I use FEMM for field analyses of PM synchronous motors (the stator consistsfrom standard three phases winding embedded in slots, a set of permanent magnets NdFeB are on the rotor). Does anybody have a suggestion, how to calculate the stator iron losses, when the rotor rotates by desired rpm? Is FEMM even able to solve such a typeof problem? Till now, I use FEMM for the calculation of torque characteristics and total flux and the results are quite accurate in comparison with data abtained by measurements on a real motor. But the iron losses, it's different story and I have no idea how to solve it. I'll be glad for any response, suggestion, advice. Thanks in advance. George Vecerka Department of Power Electrical and Electronic Engineering Faculty of Electrical Enginnering and Computer Science Brno University of Technology Czech Republic

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