Title :
Magnetic Field in a Transverse- and Axial-Flux Permanent Magnet Synchronous Generator From 3-D FEA
Author :
Chan, T.F. ; Wang, Weimin ; Lai, L.L.
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong, China
Abstract :
The magnet field in a new form of transverse- and axial-flux permanent-magnet synchronous generator is studied. In this novel machine configuration, the main flux flows in the transverse direction as the rotation. The flux density distribution is analyzed using a 3-D finite-element method (3-D FEM). Details of field computation, including the convergence criterion, are explained. Experimental flux density measurements are in good agreement with the computed results. Using a time-stepping technique, the output voltage and current waveforms of the generator are also computed and the accuracy is confirmed by load tests.
Keywords :
finite element analysis; magnetic fields; permanent magnet generators; synchronous generators; 3D FEA; 3D finite-element method; axial-flux permanent magnet synchronous generator; convergence criterion; flux density distribution; machine configuration; magnetic field; time-stepping technique; transverse-flux permanent magnet synchronous generator; Convergence; Generators; Magnetic domains; Magnetic resonance imaging; Rotors; Vectors; Windings; Finite element analysis; permanent-magnet generator; synchronous generator;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2011.2172394
