Abstract
There are armature coil and field coil on each tooth of the stator of the variable flux reluctance machine (VFRM). Therefore, field and armature coils have a common flux path. On the other hand, armature coils are AC MMF sources while field coils are DC MMF sources. However, armature windings have sinusoidal flux linkage, but field winding has DC flux linkage. This study investigates flux linkages of armature and field windings. The field winding is separated into coils and flux linkage of a coil is obtained using FEA. Harmonic components of flux linkage are determined by FFT analysis. The elimination of harmonics by the connection of field coils is analyzed. Similarly, flux linkage of armature winding is examined. The effect of the magnetic saturation on flux linkage of armature and field winding is investigated.
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