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End-Effects Modeling in an Axial Field Flux Focusing Magnetic Gear using a Quasi-3D Reluctance Network Model

This work aims at presenting a quasi-3D reluctance network model to study axial field magnetic gears with end-effects. Magnetic gears (MG) have emerged in the last 20 years showing promising torque densities and are still being researched to become an alternative for mechanical gears where it is possible. Some of their advantages are reduced maintenance and improved reliability. The axial field configuration for MGs simplifies multi-stage implementations in comparison to the radial field configuration and is thus being chosen and developed for certain applications. A quasi-3D reluctance network model was presented, and then its accuracy was tested by evaluating the performance of an axial field flux focusing magnetic gear and comparing the results with those generated using a 3D finite element method model. The comparison showed that the quasi-3D reluctance network approach achieved relatively good results whilst saving an important amount of time and resources.