Effects of External Field Orientation on Permanent Magnet Demagnetization
作者： Peng Peng , Han Xiong , Julia Zhang , Wanfeng Li , Franco Leonardi
关键词:
摘要: This paper investigates how the orientation of applied demagnetizing magnetomotive force (MMF) affects demagnetization behavior Nd-Fe-B magnets that are widely used for permanent-magnet synchronous machines (PMSMs). designs and builds a customized test fixture can produce magnetic field with varying intensity to demagnetize magnet samples. A computer-controlled 2-D mapping device is record flux density above The measurement results compared 3-D finite-element analysis simulations. understanding insights obtained from this will be improve robustness design high power PMSMs improved capability withstanding during overcurrent faults.
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