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Advanced Measurements of Soft and Hard Magnetic Materials Used in Electric Motors
Lukasz Mierczak Ph.D, Principal Engineer, Dr. Brockhaus Messtechnik GmbH & Co.
 

Development and manufacturing of electric motors involves multi-stage analyses including, among others, selection of materials, electromagnetic and thermal modelling, quality control of stators and rotors after different mechanical and heat treatments. Each of these analyses requires comprehensive characterization of soft and hard magnetic materials under various conditions, such as sinusoidal and multi-harmonic magnetization, applied and residual stress, high temperature. Brockhaus Measurements provides the relevant expertise in the field of magnetic testing with technologies developed based on the experience gained from numerous industrial and research projects. In this presentation the main measurement technologies for evaluation of magnetic materials used in the automotive applications will be shown. Additionally, the experimental results and their importance in the motor design and production will be discussed.