Title :
Evaluation of eddy current losses in coreless stator axial flux permanent magnet machines based on magnetic network method
Author :
Youlong Wang ; Chen Chen ; Hui Xu Wen
Author_Institution :
Key Lab. of Power Electron. & Electr. Drive, Inst. of Electr. Eng., Beijing, China
fDate :
Aug. 31 2014-Sept. 3 2014
Abstract :
This paper presents a novel method for the calculation of eddy current loss in coreless stator axial field permanent magnet (AFPM) machines based on a universal parametric magnetic network model. To account for three-dimensional field effects in an AFPM machine, a multilayer modeling method is used to estimate both the axial and tangential magnetic field component in the air gap. The winding eddy current loss is calculated using the results of magnetic network analysis, taking into account 2-D and 3-D effects and non-sinusoidal field distribution. Furthermore, these calculations are compared to those from finite-element analysis and experimental tests with good agreement.
Keywords :
air gaps; eddy current losses; finite element analysis; magnetic fields; permanent magnet machines; stators; 2D effects; 3D effects; AFPM machine; air gap; axial magnetic field component; coreless stator axial flux permanent magnet machines; eddy current losses; finite-element analysis; magnetic network analysis; multilayer modeling method; nonsinusoidal field distribution; tangential magnetic field component; three-dimensional field effects; universal parametric magnetic network model; winding eddy current loss; Atmospheric modeling; Eddy currents; Magnetic cores; Magnetic flux; Stator cores; Stator windings;
Conference_Titel :
Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo
Conference_Location :
Beijing
Print_ISBN :
978-1-4799-4240-4
DOI :
10.1109/ITEC-AP.2014.6940880
