Abstract
The design, simulation and testing of an impulse magnetizer and the in-situ post-assembly magnetization of a permanent magnet (PM) rotor manufactured by a cold spray additive manufacturing (AM) using the prototyped magnetizer is presented in this paper. A software based finite element simulation is done to obtain the level of magnetization current required. An impulse magnetizer is built for this specification. A 4-pole rotor with cold-sprayed rectangular magnets is magnetized in this work after assembling it in the stator. Various stator terminal connection configurations are analyzed. The machine is magnetized and the back-EMF waveform and the rotor magnetization profile is obtained.
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