화학공학소재연구정보센터
IEEE Transactions on Energy Conversion, Vol.31, No.2, 757-765, 2016
Parasitic Currents in Structural Paths of YASA Axial Flux PM Machines: Estimation and Tests
This paper evaluates the parasitic currents that can occur in the structural part of some types of yokeless and segmented armature axial flux permanentmagnet machines, where the framesupporting stator floating teeth can originate stray paths. In this paper, these paths are defined and modeled, and the consequent effects (induced electro motive forces and currents) are estimated. The amount of these effects depends on the machine geometry, the magnetic circuit structure, and the winding layout. In this paper, the analysis is performed on two different rating machines, comparing their results. The model is validated by measurements on the corresponding prototypes.