Journal
IEEE ACCESS
Volume 10, Issue -, Pages 50137-50152Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2022.3173317
Keywords
Windings; Prototypes; Magnetic cores; Induction motors; Production; Stator windings; Synchronous motors; Electric motor; selective laser melting; soft magnetic material; additive manufacturing
Categories
Funding
- Estonian Ministry of Education and Research [PSG-137]
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Additive manufacturing of functional electromagnetic components has become a promising research area in the past decade. This method allows for fast and flexible prototyping and introduces new design rules. This work presents the process of creating a prototype induction motor with 3D printed electrical steel cores, including design, printing, post-processing, assembly, and performance evaluation. The efficiency of the finished motor is about 2/3 of conventional machines of the same size and type, suggesting further optimization is needed.
Over the past decade, additive manufacturing (AM) of functional electromagnetic components has grown into a promising new area of research. Not only does AM allow for unparalleled in-house prototyping speed and flexibility, but it also introduces a completely new set of design rules for obtaining optimized component shapes. Up to date, relatively few functional electromagnetic components or devices have actually been printed, and fewer still actually characterized or compared in terms of performance. This work describes the completion process of a prototype induction motor with fully 3D printed electrical steel cores, from design to printing, post-processing, assembling, and performance evaluation. This work aims to establish a baseline for further optimization and to map the design and production process of a fully functional electrical machine for future reference. The output of the finished motor was measured at 68 W (0.5 Nm) at 34% energy efficiency. This is roughly 2/3 of the efficiency of conventional machines of the same size and type. Further optimization steps for the 3D printed material and core design are proposed to obtain higher motor performance.
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